Support
sales@oemstron.com
86-755-83232896
English$ USD
Contact Us
TELEPHONE86-755-83232896
E-MAILsales@oemstron.com
SKYPEcondy@oemstron.com
QQ2881672436
MessageLeave Your Message
Top

Data Converter ICs

Records 31,696
Page 245/1057
Image
Part Number
Description
In Stock
Quantity
ADS42B49IRGCT
ADS42B49IRGCT

Texas Instruments

Data Converter ICs - Analog to Digital Converters (ADC)

IC ADC 14BIT PIPELINED 64VQFN

  • Number of Bits: 14
  • Sampling Rate (Per Second): 250M
  • Number of Inputs: 2
  • Input Type: Differential
  • Data Interface: LVDS - Parallel, Parallel
  • Configuration: S/H-ADC
  • Ratio - S/H:ADC: 1:1
  • Number of A/D Converters: 2
  • Architecture: Pipelined
  • Reference Type: Internal
  • Voltage - Supply, Analog: 1.8V ~ 2V
  • Voltage - Supply, Digital: 1.7V ~ 2V
  • Features: Simultaneous Sampling
  • Operating Temperature: -40°C ~ 85°C
  • Package / Case: 64-VFQFN Exposed Pad
  • Supplier Device Package: 64-VQFN (9x9)
  • Mounting Type: Surface Mount
In Stock170

More on Order

ADS42JB46IRGC25
ADS42JB46IRGC25

Texas Instruments

Data Converter ICs - Analog to Digital Converters (ADC)

IC ADC 64VQFN

  • Series: *
  • Package / Case: 64-VFQFN Exposed Pad
  • Supplier Device Package: 64-VQFN (9x9)
  • Mounting Type: Surface Mount
In Stock410

More on Order

ADS42JB46IRGCR
ADS42JB46IRGCR

Texas Instruments

Data Converter ICs - Analog to Digital Converters (ADC)

IC ADC 64VQFN

  • Series: *
  • Package / Case: 64-VFQFN Exposed Pad
  • Supplier Device Package: 64-VQFN (9x9)
  • Mounting Type: Surface Mount
In Stock128

More on Order

ADS42JB46IRGCT
ADS42JB46IRGCT

Texas Instruments

Data Converter ICs - Analog to Digital Converters (ADC)

IC ADC 14BIT PIPELINED 64VQFN

  • Number of Bits: 14
  • Sampling Rate (Per Second): 160M
  • Number of Inputs: 2
  • Input Type: Differential
  • Data Interface: JESD204B
  • Configuration: S/H-ADC
  • Ratio - S/H:ADC: 1:1
  • Number of A/D Converters: 2
  • Architecture: Pipelined
  • Reference Type: Internal
  • Voltage - Supply, Analog: 1.7V ~ 1.9V
  • Voltage - Supply, Digital: 1.7V ~ 1.9V
  • Features: Simultaneous Sampling
  • Operating Temperature: -40°C ~ 85°C
  • Package / Case: 64-VFQFN Exposed Pad
  • Supplier Device Package: 64-VQFN (9x9)
  • Mounting Type: Surface Mount
In Stock141

More on Order

ADS42JB49IRGC25
ADS42JB49IRGC25

Texas Instruments

Data Converter ICs - Analog to Digital Converters (ADC)

IC ADC 64VQFN

  • Series: *
  • Package / Case: 64-VFQFN Exposed Pad
  • Supplier Device Package: 64-VQFN (9x9)
  • Mounting Type: Surface Mount
In Stock142

More on Order

ADS42JB49IRGCR
ADS42JB49IRGCR

Texas Instruments

Data Converter ICs - Analog to Digital Converters (ADC)

IC ADC 64VQFN

  • Series: *
  • Package / Case: 64-VFQFN Exposed Pad
  • Supplier Device Package: 64-VQFN (9x9)
  • Mounting Type: Surface Mount
In Stock389

More on Order

ADS42JB49IRGCT
ADS42JB49IRGCT

Texas Instruments

Data Converter ICs - Analog to Digital Converters (ADC)

IC ADC 14BIT PIPELINED 64VQFN

  • Number of Bits: 14
  • Sampling Rate (Per Second): 250M
  • Number of Inputs: 2
  • Input Type: Differential
  • Data Interface: JESD204B
  • Configuration: S/H-ADC
  • Ratio - S/H:ADC: 1:1
  • Number of A/D Converters: 2
  • Architecture: Pipelined
  • Reference Type: Internal
  • Voltage - Supply, Analog: 1.7V ~ 1.9V
  • Voltage - Supply, Digital: 1.7V ~ 1.9V
  • Features: Simultaneous Sampling
  • Operating Temperature: -40°C ~ 85°C
  • Package / Case: 64-VFQFN Exposed Pad
  • Supplier Device Package: 64-VQFN (9x9)
  • Mounting Type: Surface Mount
In Stock388

More on Order

ADS42JB69IRGC25
ADS42JB69IRGC25

Texas Instruments

Data Converter ICs - Analog to Digital Converters (ADC)

IC ADC 16BIT PIPELINED 64VQFN

  • Number of Bits: 16
  • Sampling Rate (Per Second): 250M
  • Number of Inputs: 2
  • Input Type: Differential
  • Data Interface: JESD204B
  • Configuration: S/H-ADC
  • Ratio - S/H:ADC: 1:1
  • Number of A/D Converters: 2
  • Architecture: Pipelined
  • Reference Type: Internal
  • Voltage - Supply, Analog: 1.7V ~ 1.9V
  • Voltage - Supply, Digital: 1.7V ~ 1.9V
  • Features: Simultaneous Sampling
  • Operating Temperature: -40°C ~ 85°C
  • Package / Case: 64-VFQFN Exposed Pad
  • Supplier Device Package: 64-VQFN (9x9)
  • Mounting Type: Surface Mount
In Stock491

More on Order

ADS42JB69IRGCR
ADS42JB69IRGCR

Texas Instruments

Data Converter ICs - Analog to Digital Converters (ADC)

IC ADC 16BIT PIPELINED 64VQFN

  • Number of Bits: 16
  • Sampling Rate (Per Second): 250M
  • Number of Inputs: 2
  • Input Type: Differential
  • Data Interface: JESD204B
  • Configuration: S/H-ADC
  • Ratio - S/H:ADC: 1:1
  • Number of A/D Converters: 2
  • Architecture: Pipelined
  • Reference Type: Internal
  • Voltage - Supply, Analog: 1.7V ~ 1.9V
  • Voltage - Supply, Digital: 1.7V ~ 1.9V
  • Features: Simultaneous Sampling
  • Operating Temperature: -40°C ~ 85°C
  • Package / Case: 64-VFQFN Exposed Pad
  • Supplier Device Package: 64-VQFN (9x9)
  • Mounting Type: Surface Mount
In Stock374

More on Order

ADS42JB69IRGCT
ADS42JB69IRGCT

Texas Instruments

Data Converter ICs - Analog to Digital Converters (ADC)

IC ADC 16BIT PIPELINED 64VQFN

  • Number of Bits: 16
  • Sampling Rate (Per Second): 250M
  • Number of Inputs: 2
  • Input Type: Differential
  • Data Interface: JESD204B
  • Configuration: S/H-ADC
  • Ratio - S/H:ADC: 1:1
  • Number of A/D Converters: 2
  • Architecture: Pipelined
  • Reference Type: Internal
  • Voltage - Supply, Analog: 1.7V ~ 1.9V
  • Voltage - Supply, Digital: 1.7V ~ 1.9V
  • Features: Simultaneous Sampling
  • Operating Temperature: -40°C ~ 85°C
  • Package / Case: 64-VFQFN Exposed Pad
  • Supplier Device Package: 64-VQFN (9x9)
  • Mounting Type: Surface Mount
In Stock262

More on Order

ADS42LB49IRGC25
ADS42LB49IRGC25

Texas Instruments

Data Converter ICs - Analog to Digital Converters (ADC)

IC ADC 14BIT PIPELINED 64VQFN

  • Series: *
  • Number of Bits: 14
  • Sampling Rate (Per Second): 250M
  • Number of Inputs: 2
  • Input Type: Differential
  • Data Interface: LVDS - Parallel
  • Configuration: S/H-ADC
  • Ratio - S/H:ADC: 1:1
  • Number of A/D Converters: 2
  • Architecture: Pipelined
  • Reference Type: Internal
  • Voltage - Supply, Analog: 3.15V ~ 3.45V
  • Voltage - Supply, Digital: 1.7V ~ 1.9V
  • Features: Simultaneous Sampling
  • Operating Temperature: -40°C ~ 85°C
  • Package / Case: 64-VFQFN Exposed Pad
  • Supplier Device Package: 64-VQFN (9x9)
  • Mounting Type: Surface Mount
In Stock323

More on Order

ADS42LB49IRGCR
ADS42LB49IRGCR

Texas Instruments

Data Converter ICs - Analog to Digital Converters (ADC)

IC ADC 64VQFN

  • Series: *
  • Package / Case: 64-VFQFN Exposed Pad
  • Supplier Device Package: 64-VQFN (9x9)
  • Mounting Type: Surface Mount
In Stock348

More on Order

ADS42LB49IRGCT
ADS42LB49IRGCT

Texas Instruments

Data Converter ICs - Analog to Digital Converters (ADC)

IC ADC 12BIT PIPELINED 64VQFN

  • Number of Bits: 12
  • Sampling Rate (Per Second): 250M
  • Number of Inputs: 2
  • Input Type: Differential
  • Data Interface: LVDS - Parallel
  • Configuration: S/H-ADC
  • Ratio - S/H:ADC: 1:1
  • Number of A/D Converters: 2
  • Architecture: Pipelined
  • Reference Type: Internal
  • Voltage - Supply, Analog: 1.7V ~ 1.9V
  • Voltage - Supply, Digital: 1.7V ~ 1.9V
  • Features: Simultaneous Sampling
  • Operating Temperature: -40°C ~ 85°C
  • Package / Case: 64-VFQFN Exposed Pad
  • Supplier Device Package: 64-VQFN (9x9)
  • Mounting Type: Surface Mount
In Stock259

More on Order

ADS42LB69IRGC25
ADS42LB69IRGC25

Texas Instruments

Data Converter ICs - Analog to Digital Converters (ADC)

IC ADC 16BIT PIPELINED 64VQFN

  • Number of Bits: 16
  • Sampling Rate (Per Second): 250M
  • Number of Inputs: 2
  • Input Type: Differential
  • Data Interface: LVDS - Parallel
  • Configuration: S/H-ADC
  • Ratio - S/H:ADC: 1:1
  • Number of A/D Converters: 2
  • Architecture: Pipelined
  • Reference Type: Internal
  • Voltage - Supply, Analog: 3.15V ~ 3.45V
  • Voltage - Supply, Digital: 1.7V ~ 1.9V
  • Features: Simultaneous Sampling
  • Operating Temperature: -40°C ~ 85°C
  • Package / Case: 64-VFQFN Exposed Pad
  • Supplier Device Package: 64-VQFN (9x9)
  • Mounting Type: Surface Mount
In Stock439

More on Order

ADS42LB69IRGCR
ADS42LB69IRGCR

Texas Instruments

Data Converter ICs - Analog to Digital Converters (ADC)

IC ADC 64VQFN

  • Series: *
  • Package / Case: 64-VFQFN Exposed Pad
  • Supplier Device Package: 64-VQFN (9x9)
  • Mounting Type: Surface Mount
In Stock394

More on Order

ADS42LB69IRGCT
ADS42LB69IRGCT

Texas Instruments

Data Converter ICs - Analog to Digital Converters (ADC)

IC ADC 16BIT PIPELINED 64VQFN

  • Number of Bits: 16
  • Sampling Rate (Per Second): 250M
  • Number of Inputs: 2
  • Input Type: Differential
  • Data Interface: LVDS - Parallel
  • Configuration: S/H-ADC
  • Ratio - S/H:ADC: 1:1
  • Number of A/D Converters: 2
  • Architecture: Pipelined
  • Reference Type: Internal
  • Voltage - Supply, Analog: 1.7V ~ 1.9V
  • Voltage - Supply, Digital: 1.7V ~ 1.9V
  • Features: Simultaneous Sampling
  • Operating Temperature: -40°C ~ 85°C
  • Package / Case: 64-VFQFN Exposed Pad
  • Supplier Device Package: 64-VQFN (9x9)
  • Mounting Type: Surface Mount
In Stock455

More on Order

ADS4449IZCR
ADS4449IZCR

Texas Instruments

Data Converter ICs - Analog to Digital Converters (ADC)

IC ADC 14BIT PIPELINED 144NFBGA

  • Number of Bits: 14
  • Sampling Rate (Per Second): 250M
  • Number of Inputs: 4
  • Input Type: Differential
  • Data Interface: LVDS - Serial
  • Configuration: S/H-ADC
  • Ratio - S/H:ADC: 1:1
  • Number of A/D Converters: 2
  • Architecture: Pipelined
  • Reference Type: External, Internal
  • Voltage - Supply, Analog: 1.8V ~ 2V
  • Voltage - Supply, Digital: 1.7V ~ 2V
  • Features: Simultaneous Sampling
  • Operating Temperature: -40°C ~ 85°C
  • Package / Case: 144-LFBGA
  • Supplier Device Package: 144-NFBGA (10x10)
  • Mounting Type: Surface Mount
In Stock2,350

More on Order

ADS4449IZCRR
ADS4449IZCRR

Texas Instruments

Data Converter ICs - Analog to Digital Converters (ADC)

IC ADC 14BIT PIPELINED 144NFBGA

  • Number of Bits: 14
  • Sampling Rate (Per Second): 250M
  • Number of Inputs: 4
  • Input Type: Differential
  • Data Interface: LVDS - Serial
  • Configuration: S/H-ADC
  • Ratio - S/H:ADC: 1:1
  • Number of A/D Converters: 2
  • Architecture: Pipelined
  • Reference Type: External, Internal
  • Voltage - Supply, Analog: 1.8V ~ 2V
  • Voltage - Supply, Digital: 1.7V ~ 2V
  • Features: Simultaneous Sampling
  • Operating Temperature: -40°C ~ 85°C
  • Package / Case: 144-LFBGA
  • Supplier Device Package: 144-NFBGA (10x10)
  • Mounting Type: Surface Mount
In Stock442

More on Order

ADS5102CPFB
ADS5102CPFB

Texas Instruments

Data Converter ICs - Analog to Digital Converters (ADC)

IC ADC 10BIT PIPELINED 48TQFP

  • Number of Bits: 10
  • Sampling Rate (Per Second): 65M
  • Number of Inputs: 1
  • Input Type: Differential
  • Data Interface: Parallel
  • Configuration: S/H-ADC
  • Ratio - S/H:ADC: 1:1
  • Number of A/D Converters: 1
  • Architecture: Pipelined
  • Reference Type: External, Internal
  • Voltage - Supply, Analog: 1.65V ~ 2V
  • Voltage - Supply, Digital: 1.65V ~ 2V
  • Operating Temperature: 0°C ~ 70°C
  • Package / Case: 48-TQFP
  • Supplier Device Package: 48-TQFP (7x7)
  • Mounting Type: Surface Mount
In Stock291

More on Order

ADS5102CPFBG4
ADS5102CPFBG4

Texas Instruments

Data Converter ICs - Analog to Digital Converters (ADC)

IC ADC 10BIT PIPELINED 48TQFP

  • Number of Bits: 10
  • Sampling Rate (Per Second): 65M
  • Number of Inputs: 1
  • Input Type: Differential
  • Data Interface: Parallel
  • Configuration: S/H-ADC
  • Ratio - S/H:ADC: 1:1
  • Number of A/D Converters: 1
  • Architecture: Pipelined
  • Reference Type: External, Internal
  • Voltage - Supply, Analog: 1.65V ~ 2V
  • Voltage - Supply, Digital: 1.65V ~ 2V
  • Operating Temperature: 0°C ~ 70°C
  • Package / Case: 48-TQFP
  • Supplier Device Package: 48-TQFP (7x7)
  • Mounting Type: Surface Mount
In Stock268

More on Order

ADS5102CPFBR
ADS5102CPFBR

Texas Instruments

Data Converter ICs - Analog to Digital Converters (ADC)

IC ADC 10BIT PIPELINED 48TQFP

  • Number of Bits: 10
  • Sampling Rate (Per Second): 65M
  • Number of Inputs: 1
  • Input Type: Differential
  • Data Interface: Parallel
  • Configuration: S/H-ADC
  • Ratio - S/H:ADC: 1:1
  • Number of A/D Converters: 1
  • Architecture: Pipelined
  • Reference Type: External, Internal
  • Voltage - Supply, Analog: 1.65V ~ 2V
  • Voltage - Supply, Digital: 1.65V ~ 2V
  • Operating Temperature: 0°C ~ 70°C
  • Package / Case: 48-TQFP
  • Supplier Device Package: 48-TQFP (7x7)
  • Mounting Type: Surface Mount
In Stock338

More on Order

ADS5102CPFBRG4
ADS5102CPFBRG4

Texas Instruments

Data Converter ICs - Analog to Digital Converters (ADC)

IC ADC 10BIT PIPELINED 48TQFP

  • Number of Bits: 10
  • Sampling Rate (Per Second): 65M
  • Number of Inputs: 1
  • Input Type: Differential
  • Data Interface: Parallel
  • Configuration: S/H-ADC
  • Ratio - S/H:ADC: 1:1
  • Number of A/D Converters: 1
  • Architecture: Pipelined
  • Reference Type: External, Internal
  • Voltage - Supply, Analog: 1.65V ~ 2V
  • Voltage - Supply, Digital: 1.65V ~ 2V
  • Operating Temperature: 0°C ~ 70°C
  • Package / Case: 48-TQFP
  • Supplier Device Package: 48-TQFP (7x7)
  • Mounting Type: Surface Mount
In Stock201

More on Order

ADS5102IPFB
ADS5102IPFB

Texas Instruments

Data Converter ICs - Analog to Digital Converters (ADC)

IC ADC 10BIT PIPELINED 48TQFP

  • Number of Bits: 10
  • Sampling Rate (Per Second): 65M
  • Number of Inputs: 1
  • Input Type: Differential
  • Data Interface: Parallel
  • Configuration: S/H-ADC
  • Ratio - S/H:ADC: 1:1
  • Number of A/D Converters: 1
  • Architecture: Pipelined
  • Reference Type: External, Internal
  • Voltage - Supply, Analog: 1.65V ~ 2V
  • Voltage - Supply, Digital: 1.65V ~ 2V
  • Operating Temperature: -40°C ~ 85°C
  • Package / Case: 48-TQFP
  • Supplier Device Package: 48-TQFP (7x7)
  • Mounting Type: Surface Mount
In Stock192

More on Order

ADS5102IPFBG4
ADS5102IPFBG4

Texas Instruments

Data Converter ICs - Analog to Digital Converters (ADC)

IC ADC 10BIT PIPELINED 48TQFP

  • Number of Bits: 10
  • Sampling Rate (Per Second): 65M
  • Number of Inputs: 1
  • Input Type: Differential
  • Data Interface: Parallel
  • Configuration: S/H-ADC
  • Ratio - S/H:ADC: 1:1
  • Number of A/D Converters: 1
  • Architecture: Pipelined
  • Reference Type: External, Internal
  • Voltage - Supply, Analog: 1.65V ~ 2V
  • Voltage - Supply, Digital: 1.65V ~ 2V
  • Operating Temperature: -40°C ~ 85°C
  • Package / Case: 48-TQFP
  • Supplier Device Package: 48-TQFP (7x7)
  • Mounting Type: Surface Mount
In Stock188

More on Order

ADS5102IPFBR
ADS5102IPFBR

Texas Instruments

Data Converter ICs - Analog to Digital Converters (ADC)

IC ADC 10BIT PIPELINED 48TQFP

  • Number of Bits: 10
  • Sampling Rate (Per Second): 65M
  • Number of Inputs: 1
  • Input Type: Differential
  • Data Interface: Parallel
  • Configuration: S/H-ADC
  • Ratio - S/H:ADC: 1:1
  • Number of A/D Converters: 1
  • Architecture: Pipelined
  • Reference Type: External, Internal
  • Voltage - Supply, Analog: 1.65V ~ 2V
  • Voltage - Supply, Digital: 1.65V ~ 2V
  • Operating Temperature: -40°C ~ 85°C
  • Package / Case: 48-TQFP
  • Supplier Device Package: 48-TQFP (7x7)
  • Mounting Type: Surface Mount
In Stock110

More on Order

ADS5102IPFBRG4
ADS5102IPFBRG4

Texas Instruments

Data Converter ICs - Analog to Digital Converters (ADC)

IC ADC 10BIT PIPELINED 48TQFP

  • Number of Bits: 10
  • Sampling Rate (Per Second): 65M
  • Number of Inputs: 1
  • Input Type: Differential
  • Data Interface: Parallel
  • Configuration: S/H-ADC
  • Ratio - S/H:ADC: 1:1
  • Number of A/D Converters: 1
  • Architecture: Pipelined
  • Reference Type: External, Internal
  • Voltage - Supply, Analog: 1.65V ~ 2V
  • Voltage - Supply, Digital: 1.65V ~ 2V
  • Operating Temperature: -40°C ~ 85°C
  • Package / Case: 48-TQFP
  • Supplier Device Package: 48-TQFP (7x7)
  • Mounting Type: Surface Mount
In Stock132

More on Order

ADS5103CPFB
ADS5103CPFB

Texas Instruments

Data Converter ICs - Analog to Digital Converters (ADC)

IC ADC 10BIT PIPELINED 48TQFP

  • Number of Bits: 10
  • Sampling Rate (Per Second): 40M
  • Number of Inputs: 1
  • Input Type: Differential
  • Data Interface: Parallel
  • Configuration: S/H-ADC
  • Ratio - S/H:ADC: 1:1
  • Number of A/D Converters: 1
  • Architecture: Pipelined
  • Reference Type: External, Internal
  • Voltage - Supply, Analog: 1.65V ~ 2V
  • Voltage - Supply, Digital: 1.65V ~ 2V
  • Operating Temperature: 0°C ~ 70°C
  • Package / Case: 48-TQFP
  • Supplier Device Package: 48-TQFP (7x7)
  • Mounting Type: Surface Mount
In Stock285

More on Order

ADS5103CPFBG4
ADS5103CPFBG4

Texas Instruments

Data Converter ICs - Analog to Digital Converters (ADC)

IC ADC 10BIT PIPELINED 48TQFP

  • Number of Bits: 10
  • Sampling Rate (Per Second): 40M
  • Number of Inputs: 1
  • Input Type: Differential
  • Data Interface: Parallel
  • Configuration: S/H-ADC
  • Ratio - S/H:ADC: 1:1
  • Number of A/D Converters: 1
  • Architecture: Pipelined
  • Reference Type: External, Internal
  • Voltage - Supply, Analog: 1.65V ~ 2V
  • Voltage - Supply, Digital: 1.65V ~ 2V
  • Operating Temperature: 0°C ~ 70°C
  • Package / Case: 48-TQFP
  • Supplier Device Package: 48-TQFP (7x7)
  • Mounting Type: Surface Mount
In Stock462

More on Order

ADS5103CPFBR
ADS5103CPFBR

Texas Instruments

Data Converter ICs - Analog to Digital Converters (ADC)

IC ADC 10BIT PIPELINED 48TQFP

  • Number of Bits: 10
  • Sampling Rate (Per Second): 40M
  • Number of Inputs: 1
  • Input Type: Differential
  • Data Interface: Parallel
  • Configuration: S/H-ADC
  • Ratio - S/H:ADC: 1:1
  • Number of A/D Converters: 1
  • Architecture: Pipelined
  • Reference Type: External, Internal
  • Voltage - Supply, Analog: 1.65V ~ 2V
  • Voltage - Supply, Digital: 1.65V ~ 2V
  • Operating Temperature: 0°C ~ 70°C
  • Package / Case: 48-TQFP
  • Supplier Device Package: 48-TQFP (7x7)
  • Mounting Type: Surface Mount
In Stock407

More on Order

ADS5103CPFBRG4
ADS5103CPFBRG4

Texas Instruments

Data Converter ICs - Analog to Digital Converters (ADC)

IC ADC 10BIT PIPELINED 48TQFP

  • Number of Bits: 10
  • Sampling Rate (Per Second): 40M
  • Number of Inputs: 1
  • Input Type: Differential
  • Data Interface: Parallel
  • Configuration: S/H-ADC
  • Ratio - S/H:ADC: 1:1
  • Number of A/D Converters: 1
  • Architecture: Pipelined
  • Reference Type: External, Internal
  • Voltage - Supply, Analog: 1.65V ~ 2V
  • Voltage - Supply, Digital: 1.65V ~ 2V
  • Operating Temperature: 0°C ~ 70°C
  • Package / Case: 48-TQFP
  • Supplier Device Package: 48-TQFP (7x7)
  • Mounting Type: Surface Mount
In Stock345

More on Order