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AD7940 - 14-Bit ADC

Description

The AD7940 is a 14-bit, fast, low power, successive approximation ADC.

Features

  • Fast throughput rate: 100 kSPS Specified for VDD of 2.5 V to 5.5 V Low power 4 mW typ at 100 kSPS with 3 V supplies 17 mW typ at 100 kSPS with 5 V supplies Wide input bandwidth: 81 dB SINAD at 10 kHz input frequency Flexible power/serial clock speed management No pipeline delays High speed serial interface SPI®/QSPI™/.

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Datasheet preview – AD7940

Datasheet Details

Part number AD7940
Manufacturer Analog Devices
File Size 511.50 KB
Description 14-Bit ADC
Datasheet download datasheet AD7940 Datasheet
Additional preview pages of the AD7940 datasheet.

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Full PDF Text Transcription

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3 mW, 100 kSPS, 14-Bit ADC in 6-Lead SOT-23 AD7940 FEATURES Fast throughput rate: 100 kSPS Specified for VDD of 2.5 V to 5.5 V Low power 4 mW typ at 100 kSPS with 3 V supplies 17 mW typ at 100 kSPS with 5 V supplies Wide input bandwidth: 81 dB SINAD at 10 kHz input frequency Flexible power/serial clock speed management No pipeline delays High speed serial interface SPI®/QSPI™/MICROWIRE™/DSP compatible Standby mode: 0.5 µA max 6-Lead SOT-23 and 8-Lead MSOP packages FUNCTIONAL BLOCK DIAGRAM VDD VIN T/H 14-BIT SUCCESSIVE APPROXIMATION ADC SCLK AD7940 CONTROL LOGIC SDATA CS 03305-0-001 GND Figure 1. APPLICATIONS Battery-powered systems Personal digital assistants Medical instruments Mobile communications Instrumentation and control systems Remote data acquisition systems Table 1.
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