Analog Devices Inc. AD9281ARSZ
- Part Number:
- AD9281ARSZ
- Manufacturer:
- Analog Devices Inc.
- Ventron No:
- 3009745-AD9281ARSZ
- Description:
- IC ADC 8BIT DUAL CMOS 28-SSOP
- Datasheet:
- AD9281ARSZ
Description
The AD9281 is a complete dual-channel, 28 MSPS, 8-bit CMOS ADC optimized for applications requiring close matching between two ADCs. It integrates two 8-bit, 28 MSPS ADCs, two input buffer amplifiers, an internal voltage reference, and multiplexed digital output buffers. Each ADC incorporates a simultaneous sampling sample-and-hold amplifier at its input. The analog inputs are buffered, eliminating the need for external input buffer op amps in most applications. The ADCs are implemented using a multistage pipeline architecture that offers accurate performance and guarantees no missing codes. The outputs of the ADCs are ported to a multiplexed digital output buffer.
Features
Dual 8-Bit, 28 MSPS ADC: A pair of high-performance 28 MSPS ADCs optimized for spurious-free dynamic performance are provided for encoding of I and Q or diversity channel information.
Low Power: Complete CMOS Dual ADC function consumes a low 225 mW on a single supply (on 3 V supply). The AD9281 operates on supply voltages from 2.7 V to 5.5 V.
On-Chip Voltage Reference: The AD9281 includes an on-chip compensated bandgap voltage reference pin programmable for 1 V or 2 V.
On-chip analog input buffers eliminate the need for external op amps in most applications.
Single 8-Bit Digital Output Bus: The AD9281 ADC outputs are interleaved onto a single output bus, saving board space and digital pin count.
Small Package: The AD9281 offers the complete integrated function in a compact 28-lead SSOP package.
Product Family: The AD9281 dual ADC is pin compatible with a dual 10-bit ADC (AD9201).
Applications
Communications: I/Q channel encoding, diversity channel encoding
Instrumentation: Data acquisition, signal analysis
Industrial: Process control, measurement and monitoring
Medical: Imaging, patient monitoring
The AD9281 is a complete dual-channel, 28 MSPS, 8-bit CMOS ADC optimized for applications requiring close matching between two ADCs. It integrates two 8-bit, 28 MSPS ADCs, two input buffer amplifiers, an internal voltage reference, and multiplexed digital output buffers. Each ADC incorporates a simultaneous sampling sample-and-hold amplifier at its input. The analog inputs are buffered, eliminating the need for external input buffer op amps in most applications. The ADCs are implemented using a multistage pipeline architecture that offers accurate performance and guarantees no missing codes. The outputs of the ADCs are ported to a multiplexed digital output buffer.
Features
Dual 8-Bit, 28 MSPS ADC: A pair of high-performance 28 MSPS ADCs optimized for spurious-free dynamic performance are provided for encoding of I and Q or diversity channel information.
Low Power: Complete CMOS Dual ADC function consumes a low 225 mW on a single supply (on 3 V supply). The AD9281 operates on supply voltages from 2.7 V to 5.5 V.
On-Chip Voltage Reference: The AD9281 includes an on-chip compensated bandgap voltage reference pin programmable for 1 V or 2 V.
On-chip analog input buffers eliminate the need for external op amps in most applications.
Single 8-Bit Digital Output Bus: The AD9281 ADC outputs are interleaved onto a single output bus, saving board space and digital pin count.
Small Package: The AD9281 offers the complete integrated function in a compact 28-lead SSOP package.
Product Family: The AD9281 dual ADC is pin compatible with a dual 10-bit ADC (AD9201).
Applications
Communications: I/Q channel encoding, diversity channel encoding
Instrumentation: Data acquisition, signal analysis
Industrial: Process control, measurement and monitoring
Medical: Imaging, patient monitoring
Analog Devices Inc. AD9281ARSZ technical specifications, attributes, parameters and parts with similar specifications to Analog Devices Inc. AD9281ARSZ.
- Factory Lead Time8 Weeks
- Lifecycle StatusPRODUCTION (Last Updated: 1 week ago)
- Contact PlatingTin
- Mounting TypeSurface Mount
- Package / Case28-SSOP (0.209, 5.30mm Width)
- Surface MountYES
- Number of Pins28
- Operating Temperature-40°C~85°C
- PackagingTube
- JESD-609 Codee3
- FeatureSimultaneous Sampling
- Pbfree Codeno
- Part StatusActive
- Moisture Sensitivity Level (MSL)1 (Unlimited)
- Number of Terminations28
- ECCN CodeEAR99
- SubcategoryAnalog to Digital Converters
- Max Power Dissipation260mW
- TechnologyCMOS
- Terminal PositionDUAL
- Terminal FormGULL WING
- Peak Reflow Temperature (Cel)260
- Number of Functions1
- Supply Voltage3V
- Terminal Pitch0.65mm
- Reflow Temperature-Max (s)30
- Base Part NumberAD9281
- Pin Count28
- Qualification StatusNot Qualified
- Output TypeTTL
- Operating Supply Voltage3V
- PolarityUnipolar
- Power Supplies3/5V
- ConfigurationS/H-ADC
- Number of Channels2
- Max Supply Voltage5.5V
- Min Supply Voltage2.7V
- Power Dissipation260mW
- Number of Bits8
- Input TypeDifferential, Single Ended
- Min Input Voltage1V
- ArchitecturePipelined
- Max Input Voltage2.25V
- Converter TypeADC, PROPRIETARY METHOD
- Supply TypeAnalog, Digital
- Reference TypeExternal, Internal
- Data InterfaceParallel
- Resolution1 B
- Sampling Rate28 Msps
- Voltage - Supply, Analog2.7V~5.5V
- Voltage - Supply, Digital2.7V~5.5V
- Number of Analog In Channels2
- Sampling Rate (Per Second)28M
- Output Bit CodeBINARY
- Power Consumption225mW
- Integral Nonlinearity (INL)1.5 LSB
- Sample and Hold / Track and HoldSAMPLE
- Input Capacitance2pF
- Ratio - S/H:ADC1:1
- Signal to Noise Ratio (SNR)49.2 dB
- Differential Nonlinearity1 LSB
- Height1.75mm
- Length10.2mm
- Width5.3mm
- REACH SVHCNo SVHC
- RoHS StatusROHS3 Compliant
- Lead FreeContains Lead
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