Datasheet > AD7656BSTZ-500RL7

AD7656BSTZ-500RL7

更新时间： 2024-11-21 20:10:11

品牌	Logo	应用领域
亚德诺 - ADI		转换器
页数	文件大小	规格书
32页	568K
描述
6-CH 16-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PQFP64, LEAD FREE, MS-026BCD, LQFP-64

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250 kSPS, 6-Channel, Simultaneous

Sampling, Bipolar 16-/14-/12-Bit ADC

AD7656/AD7657/AD7658

FUNCTIONAL BLOCK DIAGRAM

FEATURES

CONVST A

CONVST B CONVST C AV

6 independent ADCs

True bipolar analog inputs

Pin-/software-selectable ranges: ±10 V, ±± V

Fast throughput rate: 2±0 kSPS

iCMOS^TMprocess technology

Low power

140 mW at 2±0 kSPS with ± V supplies

Wide input bandwidth

86.± dB SNR at ±0 kHz input frequency

On-chip reference and reference buffers

Parallel, serial, and daisy-chain interface modes

High speed serial interface

SPI®-/QSPI™-/MICROWIRE™-/DSP-compatible

Standby mode: 100 μW maximum

64-lead LQFP

CLK

REF

SER/PAR

CONTROL

LOGIC

OSC

DRIVE

STBY

BUF

OUTPUT

DRIVERS

DOUT A

16-/14-/12-BIT SAR

T/H

SCLK

T/H

OUTPUT

DRIVERS

DOUT B

OUTPUT

DRIVERS

DOUT C

16-/14-/12-BIT SAR

DATA/

CONTROL

LINES

OUTPUT

DRIVERS

T/H

APPLICATIONS

AD7656/AD7657/AD7658

Power line monitoring systems

Instrumentation and control systems

Multi-axis positioning systems

AGND

DGND

Figure 1.

GENERAL DESCRIPTION

The AD7656/AD7657/AD7658¹contain six 16-/14-/12-bit, fast,

low power, successive approximation ADCs all in the one

package that is designed on the iCMOS process (industrial

CMOS). iCMOS is a process combining high voltage silicon

with submicron CMOS and complementary bipolar

technologies. It enables the development of a wide range of high

performance analog ICs, capable of 33 V operation in a

footprint that no previous generation of high voltage parts

could achieve. Unlike analog ICs using conventional CMOS

processes, iCMOS components can accept bipolar input signals

while providing increased performance, which dramatically

reduces power consumption and package size.

The conversion process and data acquisition are controlled

using CONVST signals and an internal oscillator. Three

CONVST pins allow independent, simultaneous sampling of

the three ADC pairs. The AD7656/AD7657/AD7658 all have a

high speed parallel and serial interface, allowing the devices to

interface with microprocessors or DSPs. In serial interface

mode, the parts have a daisy-chain feature that allows multiple

ADCs to connect to a single serial interface. The AD7656/

AD7657/AD7658 can accommodate true bipolar input signals

in the 4 ꢀ V_REFrange and 2 ꢀ V_REFrange. The AD7656/

AD7657/AD7658 also contain an on-chip 2.5 V reference.

PRODUCT HIGHLIGHTS

The AD7656/AD7657/AD7658 feature throughput rates up

to 250 kSPS. The parts contain low noise, wide bandwidth,

track-and-hold amplifiers that can handle input frequencies

up to 12 MHz.

1. Six 16-/14-/12-bit, 250 kSPS ADCs on board.

2. Six true bipolar, high impedance analog inputs.

3. Parallel and high speed serial interfaces.

¹Protected by U.S. Patent No. 6,731,232.

Rev. A

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 registeredtrademarks arethe property of their respective owners.

One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.

Tel: 781.329.4700

Fax: 781.461.3113

www.analog.com

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与AD7656BSTZ-500RL7相关器件

型号	品牌	获取价格	描述	数据表
AD7656BSTZ-REEL	ADI	获取价格	250 kSPS, 6-Channel,Simultaneous Sampling, Bipolar 12/14/16-Bit ADC
AD7656YSTZ	ADI	获取价格	250 kSPS, 6-Channel, Simultaneous Sampling, Bipolar 16-/14-/12-Bit ADC
AD7656YSTZ-1	ADI	获取价格	250 kSPS, 6-Channel, Simultaneous Sampling, Bipolar, 16-/14-/12-Bit ADC
AD7656YSTZ-1	ROCHESTER	获取价格	6-CH 16-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL/PARALLEL ACCESS, PQFP64, ROHS COMPLIANT,
AD7656YSTZ-1-RL	ADI	获取价格	250 kSPS, 6-Channel, Simultaneous Sampling, Bipolar, 16-/14-/12-Bit ADC
AD7656YSTZ-500RL7	ADI	获取价格	6-CH 16-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PQFP64, LEAD FREE, MS-026BCD, LQF
AD7656YSTZ-REEL	ADI	获取价格	250 kSPS, 6-Channel, Simultaneous Sampling, Bipolar 16-/14-/12-Bit ADC
AD7657	ADI	获取价格	250 kSPS, 6-Channel,Simultaneous Sampling, Bipolar 12/14/16-Bit ADC
AD7657_15	ADI	获取价格	250 kSPS, 6-Channel, Simultaneous
AD7657-1	ADI	获取价格	250 kSPS, 6-Channel, Simultaneous Sampling, Bipolar, 16-/14-/12-Bit ADC

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