Datasheet > AD671

AD671

更新时间： 2024-11-20 22:38:59

品牌	Logo	应用领域
亚德诺 - ADI		转换器
页数	文件大小	规格书
16页	486K
描述
Monolithic 12-Bit 2 MHz A/D Converter

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数据手册

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AD671 数据手册

Monolithic 12-Bit

2 MHz A/D Converter

AD671

FEATURES

12-Bit Resolution

24-Pin “Skinny DIP” Package

AIN BPO/UPO ENCODE REF IN V_CCACOM V_EEV_LOGIC

DCOM

Conversion Time: 500 ns max—AD671J/K/S-500

Conversion Time: 750 ns max—AD671J/K/S-750

Low Power: 475 mW

Unipolar (0 V to +5 V, 0 V to +10 V) and Bipolar Input

Ranges (؎5 V)

RANGE

SELECT

8-BIT

LADDER

MATRIX

COARSE

4-BIT

FLASH

3-BIT

FLASH

3-BIT

FLASH

DAC

Twos Complement or Offset Binary Output Data

Out-of-Range Indicator

MIL-STD-883 Compliant Versions Available

FINE

4-BIT

FLASH

CORRECTION LOGIC

LATCHES

AD671

14 13

OTR MSB

BIT1-12

DAV

The AD671 is a high speed monolithic 12-bit A/D converter

offering conversion rates of up to 2 MHz (500 ns conversion

time). The combination of a merged high speed bipolar/CMOS

process and a novel architecture results in a combination of

speed and power consumption far superior to previously avail-

able hybrid implementations. Additionally, the greater reliability

of monolithic construction offers improved system reliability

and lower costs than hybrid designs.

1. The AD671 offers a single chip 2 MHz analog-to-digital

conversion function in a space saving 24-pin DIP.

2. Input signal ranges are 0 V to +5 V and 0 V to +10 V unipo-

lar, and –5 V to +5 V bipolar, selected by pin strapping. In-

put resistance is 1.5 kΩ. Power supplies are +5 V and –5 V,

and typical power consumption is less than 500 mW.

3. The external +5 V reference can be chosen to suit the dc ac-

curacy and temperature drift requirements of the application.

The AD671 uses a subranging flash conversion technique, with

digital error correction for possible errors introduced in the first

part of the conversion cycle. An on-chip timing generator pro-

vides strobe pulses for each of the four internal flash cycles and

assures adequate settling time for the interflash residue ampli-

fier. A single ENCODE pulse is used to control the converter.

4. Output data is available in unipolar, bipolar offset or bipolar

twos complement binary format.

5. An OUT OF RANGE output bit indicates when the input

signal is beyond the AD671’s input range.

6. The AD671 is available in versions compliant with the MIL-

STD-883. Refer to the Analog Devices Military Products

Databook or current AD671/883B data sheet for detailed

specifications.

The performance of the AD671 is made possible by using high

speed, low noise bipolar circuitry in the linear sections and low

power CMOS for the logic sections. Analog Devices’ ABCMOS-1

process provides both high speed bipolar and 2-micron CMOS

devices on a single chip. Laser trimmed thin-film resistors are

used to provide accuracy and temperature stability.

The AD671 is available in two conversion speeds and perfor-

mance grades. The AD671J and K grades are specified for op-

eration over the 0°C to +70°C temperature range. The AD671S

grades are specified for operation over the –55°C to +125°C

temperature range. All grades are available in a 0.300 inch wide

24-pin ceramic DIP. The J and K grades are also available in a

24-pin plastic DIP.

REV. B

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.

One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.

Tel: 617/329-4700

Fax: 617/326-8703

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与AD671相关器件

型号	品牌	获取价格	描述	数据表
AD671JD-500	ADI	获取价格	Monolithic 12-Bit 2 MHz A/D Converter
AD671JD-750	ADI	获取价格	Monolithic 12-Bit 2 MHz A/D Converter
AD671JN-500	ETC	获取价格	Analog-to-Digital Converter， 12-Bit
AD671JN-750	ETC	获取价格	Analog-to-Digital Converter， 12-Bit
AD671KD-500	ADI	获取价格	Monolithic 12-Bit 2 MHz A/D Converter
AD671KD-750	ADI	获取价格	Monolithic 12-Bit 2 MHz A/D Converter
AD671KN-500	ETC	获取价格	Analog-to-Digital Converter， 12-Bit
AD671KN-750	ETC	获取价格	Analog-to-Digital Converter， 12-Bit
AD671SD-500	ADI	获取价格	Monolithic 12-Bit 2 MHz A/D Converter
AD671SD-500/883B	ROCHESTER	获取价格	1-CH 12-BIT FLASH METHOD ADC, PARALLEL ACCESS, CDIP24, SIDE BRAZED, CERAMIC, DIP-24

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