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| 型号： | AD7609BSTZ |
| 厂商： | ANALOG DEVICES INC |
| 元件分类： | ADC |
| 英文描述： | 8-CH 18-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL/PARALLEL ACCESS, PQFP64 |
| 封装： | ROHS COMPLIANT, MS-026BCD, LQFP-64 |
| 文件页数： | 1/35页 |
| 文件大小： | 1737K |
| 代理商： | AD7609BSTZ |
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8-Channel Differential DAS with 18-Bit,
Bipolar, Simultaneous Sampling ADC
Preliminary Technical Data
AD7609
Rev. PrD
Information furnished by Analog Devices is believed to be accurate and reliable. However, no
responsibilityis assumedbyAnalogDevicesforitsuse,norforanyinfringements of patents or other
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
www.analog.com
Fax: 781.461.3113
2011 Analog Devices, Inc. All rights reserved.
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 VDRIVE
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)
Table 1. High Resolution, Bipolar Input, Simultaneous
Sampling DAS Solutions
Resolution
Single-
Ended
Inputs
True
Differential
Inputs
Number of
Simultaneous
Sampling Channels
18 Bits
8
16 Bits
8
6
4
14 Bits
8
FUNCTIONAL BLOCK DIAGRAM
V1+
V1–
RFB
1M
CLAMP
T/H
V2+
V2–
1M
CLAMP
T/H
V3+
V3–
1M
CLAMP
T/H
V4+
V4–
1M
CLAMP
T/H
V5+
V5–
1M
CLAMP
T/H
V6+
V6–
1M
CLAMP
T/H
V7+
V7–
1M
CLAMP
T/H
V8+
V8–
1M
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
DOUTA
DOUTB
RD/SCLK
CS
PAR/SER SEL
VDRIVE
18-BIT
SAR
DIGITAL
FILTER
PARALLEL/
SERIAL
INTERFACE
2.5V
REF
REFCAPB REFCAPA
SERIAL
PARALLEL
REGCAP
2.5V
LDO
REGCAP
2.5V
LDO
AVCC
DB[15:0]
AD7609
09
76
0-
0
01
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.
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相关代理商/技术参数 |
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| AD7609BSTZ-RL | 功能描述:IC DAS W/ADC 18BIT 8CH 64LQFP RoHS:是 类别:集成电路 (IC) >> 数据采集 - ADCs/DAC - 专用型 系列:- 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:50 系列:- 类型:数据采集系统（DAS） 分辨率（位）:16 b 采样率（每秒）:21.94k 数据接口:MICROWIRE?，QSPI?，串行，SPI? 电压电源:模拟和数字 电源电压:1.8 V ~ 3.6 V 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:40-WFQFN 裸露焊盘 供应商设备封装:40-TQFN-EP（6x6） 包装:托盘 |
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| AD760AQ | 功能描述:IC DAC 16BIT W/AMP SRL 28-CDIP RoHS:否 类别:集成电路 (IC) >> 数据采集 - 数模转换器 系列:DACPORT® 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:50 系列:- 设置时间:4µs 位数:12 数据接口:串行 转换器数目:2 电压电源:单电源 功率耗散（最大）:- 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:8-TSSOP，8-MSOP（0.118"，3.00mm 宽） 供应商设备封装:8-uMAX 包装:管件 输出数目和类型:2 电压，单极 采样率（每秒）:* 产品目录页面:1398 (CN2011-ZH PDF) |
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