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參數資料
| 型號： | AD871SE |
| 廠商： | ANALOG DEVICES INC |
| 元件分類： | ADC |
| 英文描述： | Complete 12-Bit 5 MSPS Monolithic A/D Converter |
| 中文描述： | 1-CH 12-BIT FLASH METHOD ADC, PARALLEL ACCESS, CQCC44 |
| 封裝： | CERAMIC, LCC-44 |
| 文件頁數： | 1/16頁 |
| 文件大?。?/td> | 378K |
| 代理商： | AD871SE |
FUNCTIONAL BLOCK DIAGRAM
T/H
A/D
4
D/A
T/H
A/D
4
D/A
T/H
A/D
3
D/A
A/D
4
CORRECTION LOGIC
+2.5V
REFERENCE
12
OUTPUT BUFFERS
V
INA
V
INB
CLOCK
REF IN
REF OUT
AV
DD
AV
SS
AGND
DV
DD
DGND
*
DRV
DD
*
DRGND
REF OUT
*
OUTPUT
ENABLE
OTR
*MSB
MSB
–BIT 12
(LSB)
*ONLY AVAILABLE ON 44-TERMINAL SURFACE MOUNT PACKAGE
AD871
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
which may result from its use. No license is granted by implication or
otherwise under any patent or patent rights of Analog Devices.
a
Complete 12-Bit 5 MSPS
Monolithic A/D Converter
AD871
FEATURES
Monolithic 12-Bit 5 MSPS A/D Converter
Low Noise: 0.17 LSB RMS Referred to Input
No Missing Codes Guaranteed
Differential Nonlinearity Error: 0.5 LSB
Signal-to-Noise and Distortion Ratio: 68 dB
Spurious-Free Dynamic Range: 73 dB
Power Dissipation: 1.03 W
Complete: On-Chip Track-and-Hold Amplifier and
Voltage Reference
Pin Compatible with the AD872
Twos Complement Binary Output Data
Out of Range Indicator
28-Lead Side Brazed Ceramic DIP or 44-Terminal
Surface Mount Package
PRODUCT DESCRIPTION
The AD871 is a monolithic 12-bit, 5 MSPS analog-to-digital
converter with an on-chip, high performance track-and-hold
amplifier and voltage reference. The AD871 uses a multistage
differential pipelined architecture with error correction logic to
provide 12-bit accuracy at 5 MSPS data rates and guarantees no
missing codes over the full operating temperature range. The
AD871 is a redesigned variation of the AD872 12-bit, 10 MSPS
ADC, optimized for lower noise in applications requiring sam-
pling rates of 5 MSPS or less. The AD871 is pin compatible
with the AD872, allowing the parts to be used interchangeably
as system requirements change.
The low-noise input track-and-hold (T/H) of the AD871 is ide-
ally suited for high-end imaging applications. In addition, the
T/H’s high input impedance and fast settling characteristics
allow the AD871 to easily interface with multiplexed systems
that switch multiple signals through a single A/D converter. The
dynamic performance of the input T/H also renders the AD871
suitable for sampling single channel inputs at frequencies up to
and beyond the Nyquist rate. The AD871 provides both refer-
ence output and reference input pins, allowing the onboard ref-
erence to serve as a system reference. An external reference can
also be chosen to suit the dc accuracy and temperature drift
requirements of the application. A single clock input is used to
control all internal conversion cycles. The digital output data is
presented in twos complement binary output format. An out-of-
range signal indicates an overflow condition, and can be used
with the most significant bit to determine low or high overflow.
The AD871 is fabricated on Analog Devices’ ABCMOS-1 pro-
cess, which uses high speed bipolar and CMOS transistors on a
single chip. High speed, precision analog circuits are now com-
bined with high density logic circuits.
The AD871 is packaged in a 28-lead ceramic DIP and a
44-terminal leadless ceramic surface mount package and is
specified for operation from 0
°
C to +70
°
C and –55
°
C to
+125
°
C.
PRODUCT HIGHLIGHTS
The AD871 offers a complete single-chip sampling 12-bit,
5 MSPS analog-to-digital conversion function in a 28-lead DIP
or 44-terminal leadless ceramic surface mount package (LCC).
Low Noise—
The AD871 features 0.17 LSB referred-to-input
noise, producing essentially a “1 code wide” histogram for a
code-centered dc input.
Low Power—
The AD871 at 1.03 W consumes a fraction of the
power of presently available hybrids.
On-Chip Track-and-Hold (T/H)—
The low noise, high imped-
ance T/H input eliminates the need for external buffers and can
be configured for single ended or differential inputs.
Ease of Use—
The AD871 is complete with T/H and voltage ref-
erence and is pin-compatible with the AD872 (12-bit, 10 MSPS
monolithic ADC).
Out of Range (OTR)—
The OTR output bit indicates when the
input signal is beyond the AD871’s input range.
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., 1997
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| AD871 | Complete 12-Bit 5 MSPS Monolithic A/D Converter(12位5MSPS單片A/D轉換器) |
| AD872A | Complete 12-Bit 10 MSPS Monolithic A/D Converter |
| AD872AJD | Complete 12-Bit 10 MSPS Monolithic A/D Converter |
| AD872AJE | Complete 12-Bit 10 MSPS Monolithic A/D Converter |
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相關代理商/技術參數 |
參數描述 |
|---|---|
| AD871SE/883B | 制造商:Rochester Electronics LLC 功能描述:IC, 12-BIT 5MSPS ADC IC - Bulk 制造商:Analog Devices 功能描述: |
| AD871SE883B | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:MICROCIRCUIT, LINEAR, A/D CONVERTER, 12-BIT, 5 MSPS, MONOLITHIC SILICON |
| AD872A | 制造商:AD 制造商全稱:Analog Devices 功能描述:Complete 12-Bit 10 MSPS Monolithic A/D Converter |
| AD872AJD | 功能描述:IC ADC 12BIT 10MSPS 28-CDIP RoHS:否 類別:集成電路 (IC) >> 數據采集 - 模數轉換器 系列:- 產品培訓模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標準包裝:250 系列:- 位數:12 采樣率（每秒）:1.8M 數據接口:并聯 轉換器數目:1 功率耗散（最大）:1.82W 電壓電源:模擬和數字 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:48-LQFP 供應商設備封裝:48-LQFP（7x7） 包裝:管件 輸入數目和類型:2 個單端，單極 |
| AD872AJE | 制造商:Rochester Electronics LLC 功能描述:IC, 12-BIT 10 MSPS ADC - Bulk |
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