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部品型式

AD7689BCPZ

製品説明
仕様・特性

16-Bit, 4-Channel/8-Channel, 250 kSPS PulSAR ADCs AD7682/AD7689 Data Sheet FEATURES FUNCTIONAL BLOCK DIAGRAM APPLICATIONS 0.5V TO VDD – 0.5V 0.1µF REFIN REF BAND GAP REF VDD AD7682/AD7689 1.8V VIO TO VDD TEMP SENSOR CNV IN0 IN1 IN2 IN3 IN4 IN5 IN6 IN7 16-BIT SAR ADC MUX SPI SERIAL INTERFACE ONE-POLE LPF SCK SDO DIN SEQUENCER COM GND Figure 1. GENERAL DESCRIPTION The AD7682/AD7689 are 4-channel/8-channel, 16-bit, charge redistribution successive approximation register (SAR) analogto-digital converters (ADCs) that operate from a single power supply, VDD. The AD7682/AD7689 contain all components for use in a multichannel, low power data acquisition system, including a true 16-bit SAR ADC with no missing codes; a 4-channel (AD7682) or 8-channel (AD7689) low crosstalk multiplexer that is useful for configuring the inputs as single-ended (with or without ground sense), differential, or bipolar; an internal low drift reference (selectable 2.5 V or 4.096 V) and buffer; a temperature sensor; a selectable one-pole filter; and a sequencer that is useful when channels are continuously scanned in order. The AD7682/AD7689 use a simple SPI interface for writing to the configuration register and receiving conversion results. The SPI interface uses a separate supply, VIO, which is set to the host logic level. Power dissipation scales with throughput. Multichannel system monitoring Battery-powered equipment Medical instruments: ECG/EKG Mobile communications: GPS Power line monitoring Data acquisition Seismic data acquisition systems Instrumentation Process control The AD7682/AD7689 are housed in a tiny 20-lead LFCSP and 20-lead WLCSP with operation specified from −40°C to +85°C. Table 1. Multichannel 14-/16-Bit PulSAR® ADCs Type 14-Bit Channels 250 kSPS 8 AD7949 16-Bit 4 AD7682 16-Bit Rev. H 2.3V TO 5.5V 0.5V TO VDD 10µF 07353-001 16-bit resolution with no missing codes 4-channel (AD7682)/8-channel (AD7689) multiplexer with choice of inputs Unipolar single-ended Differential (GND sense) Pseudobipolar Throughput: 250 kSPS INL: ±0.4 LSB typical, ±1.5 LSB maximum (±23 ppm or FSR) Dynamic range: 93.8 dB SINAD: 92.5 dB at 20 kHz THD: −100 dB at 20 kHz Analog input range: 0 V to VREF with VREF up to VDD Multiple reference types Internal selectable 2.5 V or 4.096 V External buffered (up to 4.096 V) External (up to VDD) Internal temperature sensor (TEMP) Channel sequencer, selectable 1-pole filter, busy indicator No pipeline delay, SAR architecture Single-supply 2.3 V to 5.5 V operation with 1.8 V to 5.5 V logic interface Serial interface compatible with SPI, MICROWIRE, QSPI, and DSP Power dissipation 3.5 mW at 2.5 V/200 kSPS 12.5 mW at 5 V/250 kSPS Standby current: 50 nA Low cost grade available 20-lead 4 mm × 4 mm LFCSP package 20-lead 2.4 mm × 2.4 mm WLCSP package 8 AD7689 500 kSPS AD7699 ADC Driver ADA4805-1/ ADA4807-1 ADA4805-1/ ADA4807-1 ADA4805-1/ ADA4807-1 Document Feedback Information furnished by Analog Devices is believed to be accurate and reliable. However, no responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other rights of third parties that may result from its use. Specifications subject to change without notice. No license is granted by implication or otherwise under any patent or patent rights of Analog Devices. Trademarks and registered trademarks are the property of their respective owners. One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A. Tel: 781.329.4700 ©2008–2017 Analog Devices, Inc. All rights reserved. Technical Support www.analog.com

ブランド

AD

会社名

Analog Devices

本社国名

U.S.A

事業概要

半導体デバイスを製造するアメリカの多国籍企業。特にADC、DAC、MEMS、DSPなどに強い。現在は 65nm から 3μm のプロセスルールの回路を設計している。

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型式 数量 D/C・lead 備考 選択
AD7689BCPZ 178個 21+RoHS  
AD7689BCPZ 10000個    
AD7689BCPZ 10000個    
AD7689BCPZ 10000個    
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