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| 型号： | AD7892ARZ-3 |
| 厂商： | Analog Devices Inc |
| 文件页数： | 1/14页 |
| 文件大小： | 0K |
| 描述： | IC ADC 12BIT LP 600KSPS 24SOIC |
| 标准包装： | 31 |
| 位数： | 12 |
| 采样率（每秒）： | 600k |
| 数据接口： | 串行，并联 |
| 转换器数目： | 1 |
| 功率耗散（最大）： | 90mW |
| 电压电源： | 单电源 |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 24-SOIC（0.295"，7.50mm 宽） |
| 供应商设备封装： | 24-SOIC W |
| 包装： | 管件 |
| 输入数目和类型： | 2 个单端，双极 |
AD7892
a
LC2MOS Single Supply,
12-Bit 600 kSPS ADC
FUNCTIONAL BLOCK DIAGRAM
REF OUT/REF IN
VDD
+2.5V
REFERENCE
2k
12-BIT
ADC
TRACK/HOLD
SIGNAL
SCALING
AD7892
MODE
DB0
DB2
DB10/LOW
DB11/LOW
DGND
AGND
CONTROL LOGIC
CONVST
EOC
RD
CS
VIN1
VIN2
CLOCK
DB3/
RFS
DB4/SCLK
DB5/SDATA
STANDBY
The AD7892 is fabricated in Analog Devices’ Linear Compat-
ible CMOS (LC
2MOS) process, a mixed technology process
that combines precision bipolar circuits with low power CMOS
logic. It is available in a 24-lead, 0.3" wide, plastic or hermetic
DIP or in a 24-lead SOIC.
PRODUCT HIGHLIGHTS
1. The AD7892-3 features a conversion time of 1.47
s and a
track/hold acquisition time of 200 ns. This allows a through-
put rate for the part up to 600 kSPS. The AD7892-1 and
AD7892-2 operate with throughput rates of 500 kSPS.
2. The AD7892 operates from a single +5 V supply and con-
sumes 60 mW typ making it ideal for low power and portable
applications.
3. The part offers a high speed, flexible interface arrangement
with parallel and serial interfaces for easy connection to
microprocessors, microcontrollers and digital signal
processors.
GENERAL DESCRIPTION
The AD7892 is a high speed, low power, 12-bit A/D converter
that operates from a single +5 V supply. The part contains a
1.47
s successive approximation ADC, an on-chip track/hold
amplifier, an internal +2.5 V reference and on-chip versatile
interface structures that allow both serial and parallel connec-
tion to a microprocessor. The part accepts an analog input range
of
±10 V or ±5 V (AD7892-1), 0 V to +2.5 V (AD7892-2) and
±2.5 V (AD7892-3). Overvoltage protection on the analog inputs
for the AD7892-1 and AD7892-3 allows the input voltage to go
to
±17 V or ±7 V respectively without damaging the ports.
The AD7892 offers a choice of two data output formats: a
single, parallel, 12-bit word or serial data. Fast bus access times
and standard control inputs ensure easy parallel interface to
microprocessors and digital signal processors. A high speed
serial interface allows direct connection to the serial ports of
microcontrollers and digital signal processors.
In addition to the traditional dc accuracy specifications such as
linearity, full-scale and offset errors, the part is also specified for
dynamic performance parameters including harmonic distortion
and signal-to-noise ratio.
REV. C
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
which may result from its use. No license is granted by implication or
otherwise under any patent or patent rights of Analog Devices.
FEATURES
Fast 12-Bit ADC with 1.47
s Conversion Time
600 kSPS Throughput Rate (AD7892-3)
500 kSPS Throughput Rate (AD7892-1, AD7892-2)
Single Supply Operation
On-Chip Track/Hold Amplifier
Selection of Input Ranges:
10 V or
5 V for AD7892-1
0 V to +2.5 V for AD7892-2
2.5 V for AD7892-3
High Speed Serial and Parallel Interface
Low Power, 60 mW typ
Overvoltage Protection on Analog Inputs (AD7892-1
and AD7892-3)
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781/329-4700
World Wide Web Site: http://www.analog.com
Fax: 781/326-8703
Analog Devices, Inc., 2000
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相关代理商/技术参数 |
参数描述 |
|---|---|
| AD7892ARZ-3REEL | 功能描述:IC ADC 12BIT LP 600KSPS 24SOIC RoHS:是 类别:集成电路 (IC) >> 数据采集 - 模数转换器 系列:- 标准包装:1,000 系列:- 位数:12 采样率（每秒）:300k 数据接口:并联 转换器数目:1 功率耗散（最大）:75mW 电压电源:单电源 工作温度:0°C ~ 70°C 安装类型:表面贴装 封装/外壳:24-SOIC（0.295"，7.50mm 宽） 供应商设备封装:24-SOIC 包装:带卷 (TR) 输入数目和类型:1 个单端，单极；1 个单端，双极 |
| AD7892ARZ-3REEL7 | 功能描述:IC ADC 12BIT LP 600KSPS 24SOIC RoHS:是 类别:集成电路 (IC) >> 数据采集 - 模数转换器 系列:- 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:2,500 系列:- 位数:12 采样率（每秒）:3M 数据接口:- 转换器数目:- 功率耗散（最大）:- 电压电源:- 工作温度:- 安装类型:表面贴装 封装/外壳:SOT-23-6 供应商设备封装:SOT-23-6 包装:带卷 (TR) 输入数目和类型:- |
| AD7892BN-1 | 功能描述:IC ADC 12BIT LP 500KSPS 24-DIP RoHS:否 类别:集成电路 (IC) >> 数据采集 - 模数转换器 系列:- 标准包装:1 系列:- 位数:14 采样率（每秒）:83k 数据接口:串行，并联 转换器数目:1 功率耗散（最大）:95mW 电压电源:双 ± 工作温度:0°C ~ 70°C 安装类型:通孔 封装/外壳:28-DIP（0.600"，15.24mm） 供应商设备封装:28-PDIP 包装:管件 输入数目和类型:1 个单端，双极 |
| AD7892BN-2 | 制造商:Analog Devices 功能描述:ADC Single SAR 500ksps 12-bit Parallel/Serial 24-Pin PDIP 制造商:Rochester Electronics LLC 功能描述:12-BIT 500 KSPS PARALLEL ADC I.C. - Bulk |
| AD7892BN-3 | 制造商:Analog Devices 功能描述:ADC Single SAR 600ksps 12-bit Parallel/Serial 24-Pin PDIP 制造商:Rochester Electronics LLC 功能描述:12-BIT 600 KSPS ADC I.C. - Bulk |
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