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| 型號(hào)： | EVAL-AD7657-1EDZ |
| 廠商： | Analog Devices Inc |
| 文件頁數(shù)： | 1/32頁 |
| 文件大?。?/td> | 0K |
| 描述： | BOARD EVAL CONTROL AD7657-1 |
| 標(biāo)準(zhǔn)包裝： | 1 |
| 系列： | iCMOS® |
| ADC 的數(shù)量： | 6 |
| 位數(shù)： | 14 |
| 采樣率（每秒）： | 250k |
| 數(shù)據(jù)接口： | 串行，并聯(lián) |
| 輸入范圍： | ±10 V |
| 在以下條件下的電源（標(biāo)準(zhǔn)）： | 140mW @ 250kSPS |
| 工作溫度： | -40°C ~ 85°C |
| 已用 IC / 零件： | AD7657-1 |
| 已供物品： | 板 |
| 相關(guān)產(chǎn)品： | AD7657YSTZ-1-RL-ND - IC ADC 14BIT 6CH 250KSPS 64LQFP AD7657YSTZ-1-ND - IC ADC 14BIT 6CH 250KSPS 64LQFP AD7657BSTZ-1-RL-ND - IC ADC 14BIT 6CH 250KSPS 64LQFP AD7657BSTZ-1-ND - IC ADC 14BIT 6CH 250KSPS 64LQFP AD7657YSTZ-REEL-ND - IC ADC 14BIT 6CH 250KSPS 64LQFP AD7657YSTZ-ND - IC ADC 14BIT 6CH 250KSPS 64LQFP AD7657BSTZ-ND - IC ADC 14BIT 6CH 250KSPS 64-LQFP AD7657BSTZ-REEL-ND - IC ADC 14BIT 6CH 250KSPS 64-LQFP |
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250 kSPS, 6-Channel, Simultaneous
Sampling, Bipolar, 16-/14-/12-Bit ADC
Data Sheet
Rev. D
Information furnished by Analog Devices is believed to be accurate and reliable. However, no
responsibilityisassumedbyAnalogDevicesforitsuse,norforanyinfringementsofpatentsorother
rightsofthirdpartiesthatmayresultfromitsuse.Specificationssubjecttochangewithoutnotice.No
license is granted by implication or otherwise under any patent or patent rights of Analog Devices.
Trademarksandregisteredtrademarksarethepropertyoftheirrespectiveowners.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781.329.4700
Fax: 781.461.3113
2008–2012 Analog Devices, Inc. All rights reserved.
FEATURES
Pin and software compatible with AD7656/AD7657/AD7658
featuring reduced decoupling requirements
6 independent ADCs
True bipolar analog inputs
Pin-/software-selectable ranges: ±10 V, ±5 V
Fast throughput rate: 250 kSPS
iCMOS process technology
Low power
140 mW at 250 kSPS with 5 V supplies
High noise performance with wide bandwidth
88 dB SNR at 10 kHz input frequency
On-chip reference and reference buffers
High speed parallel, serial, and daisy-chain interface modes
High speed serial interface
SPI/QSPI/MICROWIRE/DSP compatible
Standby mode: 315 W maximum
64-lead LQFP
APPLICATIONS
Power line monitoring and measuring systems
Instrumentation and control systems
Multiaxis positioning systems
FUNCTIONAL BLOCK DIAGRAM
VSS
DGND
VDD
REF
CONVST A CONVST B CONVST C
OUTPUT
DRIVERS
OUTPUT
DRIVERS
OUTPUT
DRIVERS
OUTPUT
DRIVERS
CONTROL
LOGIC
BUF
AGND
T/H
CLK
OSC
AVCC DVCC
V1
V2
V3
V4
V5
V6
SER/PAR SEL
CS
VDRIVE
STBY
DB8/DOUT A
DB9/DOUT B
DB10/DOUT C
DB6/SCLK
RD
WR/REFEN/DIS
DATA/
CONTROL
LINES
AD7656-1/AD7657-1/AD7658-1
16-/14-/
12-BIT SAR
16-/14-/
12-BIT SAR
16-/14-/
12-BIT SAR
16-/14-/
12-BIT SAR
16-/14-/
12-BIT SAR
16-/14-/
12-BIT SAR
07017-
001
Figure 1.
GENERAL DESCRIPTION
The AD7656-1/AD7657-1/AD7658-11 are reduced decoupling pin-
and software-compatible versions of AD7656/AD7657/AD7658.
The AD7656-1/AD7657-1/AD7658-1 devices contain six 16-/
14-/12-bit, fast, low power successive approximation ADCs in
a package 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 conven-
tional CMOS processes, iCMOS components can accept bipolar
input signals while providing increased performance, which
dramatically reduces power consumption and package size.
The AD7656-1/AD7657-1/AD7658-1 feature throughput rates
of up to 250 kSPS. The parts contain low noise, wide bandwidth
track-and-hold amplifiers that can handle input frequencies
up to 4.5 MHz.
The conversion process and data acquisition are controlled
using the CONVST signals and an internal oscillator. Three
CONVST pins (CONVST A, CONVST B, and CONVST C)
allow independent, simultaneous sampling of the three ADC
pairs. The AD7656-1/AD7657-1/AD7658-1 have a high speed
parallel and serial interface, allowing the devices to interface with
microprocessors or DSPs. When the serial interface is selected,
each part has a daisy-chain feature that allows multiple ADCs to
connect to a single serial interface. The AD7656-1/AD7657-1/
AD7658-1 can accommodate true bipolar input signals in the
±4 × VREF and ±2 × VREF ranges. Each AD7656-1/AD7657-1/
AD7658-1 also contains an on-chip 2.5 V reference.
PRODUCT HIGHLIGHTS
1. Six 16-/14-/12-bit, 250 kSPS ADCs on board.
2. Six true bipolar, high impedance analog inputs.
3. High speed parallel and serial interfaces.
4. Reduced decoupling requirements and reduced bill of
materials cost compared with the AD7656/AD7657/
AD7658 devices.
1
Protected by U.S. Patent No. 6,731,232.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| EVAL-AD7657CBZ | 功能描述:BOARD EVAL FOR AD7657 RoHS:是 類別:編程器，開發(fā)系統(tǒng) >> 評(píng)估板 - 模數(shù)轉(zhuǎn)換器 (ADC) 系列:iCMOS® 產(chǎn)品培訓(xùn)模塊:Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:1 系列:- ADC 的數(shù)量:1 位數(shù):12 采樣率（每秒）:94.4k 數(shù)據(jù)接口:USB 輸入范圍:±VREF/2 在以下條件下的電源（標(biāo)準(zhǔn)）:- 工作溫度:-40°C ~ 85°C 已用 IC / 零件:MAX11645 已供物品:板，軟件 |
| EVAL-AD7658-1EDZ | 制造商:AD 制造商全稱:Analog Devices 功能描述:250 kSPS, 6-Channel, Simultaneous Sampling, Bipolar, 16-/14-/12-Bit ADC |
| EVAL-AD7658-1SDZ | 功能描述:數(shù)據(jù)轉(zhuǎn)換 IC 開發(fā)工具 Evaluation Control Board RoHS:否 制造商:Texas Instruments 產(chǎn)品:Demonstration Kits 類型:ADC 工具用于評(píng)估:ADS130E08 接口類型:SPI 工作電源電壓:- 6 V to + 6 V |
| EVAL-AD7658CBZ | 功能描述:BOARD EVAL FOR AD7658 RoHS:是 類別:編程器，開發(fā)系統(tǒng) >> 評(píng)估板 - 模數(shù)轉(zhuǎn)換器 (ADC) 系列:iCMOS® 產(chǎn)品培訓(xùn)模塊:Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:1 系列:- ADC 的數(shù)量:1 位數(shù):12 采樣率（每秒）:94.4k 數(shù)據(jù)接口:USB 輸入范圍:±VREF/2 在以下條件下的電源（標(biāo)準(zhǔn)）:- 工作溫度:-40°C ~ 85°C 已用 IC / 零件:MAX11645 已供物品:板，軟件 |
| EVAL-AD7660CB | 制造商:AD 制造商全稱:Analog Devices 功能描述:Evaluation Board AD766X/AD767X |
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