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ADC10321 Series

10-Bit, 20-MSPS Analog-to-Digital Converter (ADC)

Manufacturer: Texas Instruments

Catalog(1 parts)

PartConfigurationVoltage - Supply, DigitalVoltage - Supply, AnalogReference TypeData InterfaceNumber of A/D ConvertersOperating TemperatureOperating TemperatureArchitecturePackage / CaseInput TypeNumber of BitsNumber of InputsRatio - S/H:ADCMounting TypeSupplier Device Package
Texas Instruments
ADC10321CIVT/NOPB
10 Bit Analog to Digital Converter 1 Input 1 Two-Step 32-TQFP (7x7)
S/H-ADC
5 V
5 V
External
Parallel
1 ul
-40 °C
85 °C
Two-Step
32-LQFP
Single Ended
10 ul
1 ul
1:1
Surface Mount
32-TQFP (7x7)

Key Features

Internal Sample-and-HoldSingle +5V OperationLow Power Standby ModeEnsured No Missing CodesTTL/CMOS or 3V Logic Input/Output CompatibleKey SpecificationsResolution 10 BitsConversion Rate 20 MspsENOB@ 10MHz Input 9.2 Bits (typ)DNL 0.35 LSB (typ)Conversion Latency 2 Clock CyclesPSRR 56 dBPower Consumption 98 mW (typ)Low Power Standby Mode <4 mW (typ)All trademarks are the property of their respective owners.Internal Sample-and-HoldSingle +5V OperationLow Power Standby ModeEnsured No Missing CodesTTL/CMOS or 3V Logic Input/Output CompatibleKey SpecificationsResolution 10 BitsConversion Rate 20 MspsENOB@ 10MHz Input 9.2 Bits (typ)DNL 0.35 LSB (typ)Conversion Latency 2 Clock CyclesPSRR 56 dBPower Consumption 98 mW (typ)Low Power Standby Mode <4 mW (typ)All trademarks are the property of their respective owners.

Description

AI
The ADC10321 is a low power, high performance CMOS analog-to-digital converter that digitizes signals to 10 bits resolution at sampling rates up to 25Msps while consuming a typical 98mW from a single 5V supply. Reference force and sense pins allow the user to connect an external reference buffer amplifier to ensure optimal accuracy. No missing codes is ensured over the full operating temperature range. The unique two stage architecture achieves 9.2 Effective Bits with a 10MHz input signal and a 20MHz clock frequency. Output formatting is straight binary coding. To ease interfacing to 3V systems, the digital I/O power pins of the ADC10321 can be tied to a 3V power source, making the outputs 3V compatible. When not converting, power consumption can be reduced by pulling the PD (Power Down) pin high, placing the converter into a low power standby state, where it typically consumes less than 4mW. The ADC10321's speed, resolution and single supply operation makes it well suited for a variety of applications in video, imaging, communications, multimedia and high speed data acquisition. Low power, single supply operation ideally suit the ADC10321 for high speed portable applications, and its speed and resolution are ideal for charge coupled device (CCD) input systems. The ADC10321 comes in a space saving 32-pin TQFP and operates over the industrial (−40°C ≤ TA≤ +85°C) temperature range. The ADC10321 is a low power, high performance CMOS analog-to-digital converter that digitizes signals to 10 bits resolution at sampling rates up to 25Msps while consuming a typical 98mW from a single 5V supply. Reference force and sense pins allow the user to connect an external reference buffer amplifier to ensure optimal accuracy. No missing codes is ensured over the full operating temperature range. The unique two stage architecture achieves 9.2 Effective Bits with a 10MHz input signal and a 20MHz clock frequency. Output formatting is straight binary coding. To ease interfacing to 3V systems, the digital I/O power pins of the ADC10321 can be tied to a 3V power source, making the outputs 3V compatible. When not converting, power consumption can be reduced by pulling the PD (Power Down) pin high, placing the converter into a low power standby state, where it typically consumes less than 4mW. The ADC10321's speed, resolution and single supply operation makes it well suited for a variety of applications in video, imaging, communications, multimedia and high speed data acquisition. Low power, single supply operation ideally suit the ADC10321 for high speed portable applications, and its speed and resolution are ideal for charge coupled device (CCD) input systems. The ADC10321 comes in a space saving 32-pin TQFP and operates over the industrial (−40°C ≤ TA≤ +85°C) temperature range.