Datasheet 搜索 > ADI（亚德诺） > AD7609 数据手册 > AD7609 其他数据使用手册 1/37 页
￥ 0
AD7609 其他数据使用手册 - ADI（亚德诺）
制造商:
ADI（亚德诺）
描述:
8通道差分DAS与18位 8-Channel Differential DAS with 18-Bit
Pictures:
3D模型
符号图
焊盘图
引脚图
产品图
页面导航:
导航目录
AD7609数据手册
Page:
of 37 Go
若手册格式错乱，请下载阅览PDF原文件
8-Channel Differential DAS with 18-Bit,
Bipolar, Simultaneous Sampling ADC
Data Sheet
AD7609
FEATURES
8 simultaneously sampled inputs
True differential inputs
True bipolar analog input ranges: ±10 V, ±5 V
Single 5 V analog supply and 2.3 V to 5.25 V V
DRIVE
Fully integrated data acquisition solution
Analog input clamp protection
Input buffer with 1 MΩ analog input impedance
Second-order antialiasing analog filter
On-chip accurate reference and reference buffer
18-bit ADC with 200 kSPS on all channels
Oversampling capability with digital filter
Flexible parallel/serial interface
SPI/QSPI™/MICROWIRE™/DSP compatible
Performance
7 kV ESD rating on analog input channels
98 dB SNR, −107 dB THD
Dynamic range: up to 105 dB typical
Low power: 100 mW
Standby mode: 25 mW
64-lead LQFP package
APPLICATIONS
Power line monitoring and protection systems
Multiphase motor control
Instrumentation and control systems
Multiaxis positioning systems
Data acquisition systems (DAS)
COMPANION PRODUCTS
External References: ADR421, ADR431
Digital Isolators: ADuM1402, ADuM5000, ADuM5402
Power: ADIsimPower, Supervisor Parametric Search
Additional companion products on the AD7609 product page
Table 1. High Resolution, Bipolar Input, Simultaneous
Sampling DAS Solutions
Resolution
Single-
Ended
Inputs
True
Differential
Inputs
Number of
Simultaneous
Sampling Channels
18 Bits
AD7608
AD7609
1
8
16 Bits AD7606 8
AD7606-6 6
AD7606-4 4
14 Bits AD7607 8
1
Protected by U.S. Patent Number 8,072,360 B2.
FUNCTIONAL BLOCK DIAGRAM
V1+
V1–
R
FB
R
FB
R
FB
R
FB
R
FB
R
FB
R
FB
R
FB
R
FB
R
FB
R
FB
R
FB
R
FB
R
FB
R
FB
R
FB
1MΩ
1MΩ
CLAMP
CLAMP
T/H
V2+
V2–
1MΩ
1MΩ
CLAMP
CLAMP
T/H
V3+
V3–
1MΩ
1MΩ
CLAMP
CLAMP
T/H
V4+
V4–
1MΩ
1MΩ
CLAMP
CLAMP
T/H
V5+
V5–
1MΩ
1MΩ
CLAMP
CLAMP
T/H
V6+
V6–
1MΩ
1MΩ
CLAMP
CLAMP
T/H
V7+
V7–
1MΩ
1MΩ
CLAMP
CLAMP
T/H
V8+
V8–
1MΩ
1MΩ
CLAMP
CLAMP
T/H
8:1
MUX
AGND
BUSY
FRSTDATA
CONVST A
CONVST B
RESET
RANGE
CONTROL
INPUTS
CLK OSC
REFIN/REFOUT
REF SELECT
AGND
OS 2
OS 1
OS 0
D
OUT
A
D
OUT
B
RD/SCLK
CS
PAR/SER SEL
V
DRIVE
18-BIT
SAR
DIGITAL
FILTER
PARALLEL/
SERIAL
INTERFACE
2.5V
REF
REFCAPB
REFCAPA
SERIAL
PARALLEL
REGCAP
2.5V
LDO
REGCAP
2.5V
LDO
AV
CC
AV
CC
DB[15:0]
AD7609
09760-001
SECOND-
ORDER LPF
SECOND-
ORDER LPF
SECOND-
ORDER LPF
SECOND-
ORDER LPF
SECOND-
ORDER LPF
SECOND-
ORDER LPF
SECOND-
ORDER LPF
SECOND-
ORDER LPF
Figure 1.
Rev. B 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 ©2011–2014 Analog Devices, Inc. All rights reserved.
Technical Support www.analog.com
器件 Datasheet 文档搜索
AiEMA 数据库涵盖高达 72,405,303 个元件的数据手册，每天更新 5,000 多个 PDF 文件
