Part # AD7476 AD7477 AD7478 datasheet

Part Manufacturer: Analog Devices

Analog Devices

Part Description: AD7476/AD7477/AD7478 (Rev. F)


Part Details:

1 MSPS, 12-/10-/8-Bit ADCs in 6-Lead SOT-23 AD7476/AD7477/AD7478 FEATURES FUNCTIONAL BLOCK DIAGRAM Fast throughput rate: 1 MSPS VDD Specified for VDD of 2.35 V to 5.25 V Low power 12-/10-/8-BIT 3.6 mW at 1 MSPS with 3 V supplies SUCCESSIVE- VIN APPROXIMATION 15 mW at 1 MSPS with 5 V supplies ADC Wide input bandwidth 70 dB SNR at 100 kHz input frequency SCLK Flexible power/serial clock speed management CONTROL LOGIC SDATA No pipeline delays CS High speed serial interface AD7476/AD7477/AD7478 SPI®-/QSPITM-/MICROWIRETM-/DSP-compatible 1-00 Standby mode: 1 A maximum 024 GND 01 6-lead SOT-23 package Figure 1. APPLICATIONS Battery-powered systems Personal digital assistants Medical instruments Mobile communications Instrumentation and control systems Data acquisition systems High speed modems Optical sensors GENERAL DESCRIPTION PRODUCT HIGHLIGHTS The AD7476/AD7477/AD74781 are, respectively, 12-bit, 10-bit, 1. First 12-/10-/8-Bit ADCs in SOT-23 Packages. and 8-bit, high speed, low power, successive approximation ADCs. The parts operate from a single 2.35 V to 5.25 V power 2. High Throughput with Low Power Consumption. supply and feature throughput rates up to 1 MSPS. Each part 3. Flexible Power/Serial Clock Speed Management. The contains a low noise, wide bandwidth track-and-hold amplifier conversion rate is determined by the serial clock, allowing that can handle input frequencies in excess of 6 MHz. the conversion time to be reduced through the serial clock The conversion process and data acquisition are controlled speed increase. This allows the average power consumption to be reduced while not converting. The parts also feature a


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AD7476 AD7477 AD7478.pdf Datasheet