AD7886KP-REEL

更新时间： 2024-09-28 13:00:11

品牌	Logo	应用领域
亚德诺 - ADI		/
页数	文件大小	规格书
16页	402K
描述
1-CH 12-BIT FLASH METHOD ADC, PARALLEL ACCESS, PQCC28, PLASTIC, LCC-28

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替代型号

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AD7886KP-REEL 数据手册

LC²MOS

12-Bit, 750 kHz/1 MHz, Sampling ADC

AD7886

FEATURES

FUNCTIONAL BLOCK DIAGRAM

750 kHz/1 MHz Throughput Rate

1 ␮s/750 ns Conversion Time

12-Bit No Missed Codes Over Temperature

67 dB SNR at 100 kHz Input Frequency

Low Power—250 mW typ

RD CONVST

VIN1

CLOCK

10k

3.5k

CONTROL

TIMER

BUSY

OSCILLATOR

AND TIMER

–

VIN2

Fast Bus Access Time—57 ns max

10k

T/H

+5REF

APPLICATIONS

4-BIT

LATCH

Digital Signal Processing

Speech Recognition and Synthesis

Spectrum Analysis

COMPARATORS

AND

SUM

DB11

DB0

6.3k

THREE

STATE

OUTPUTS

4-BIT

LATCH

4-BIT FLASH

LOGIC

DSP Servo Control

REF

4-BIT

LATCH

4096

RESISTOR

DAC

SEGMENT SELECT

AD7886

AGND

DGND

The AD7886 is fabricated in Analog Devices’ Linear Com-

patible CMOS process, a mixed technology process that

combines precision bipolar circuits with low power CMOS

logic.

GENERAL DESCRIPTION

The AD7886 is a 12-bit ADC with a sample-and-hold amplifier

offering high speed performance combined with low power dissi-

pation. The AD7886 is a triple pass flash ADC that uses 15

comparators in a 4-bit flash technique to achieve 12-bit accuracy

in 1 µs/750 ns conversion time. An on-chip clock oscillator pro-

vides the appropriate timing for each of the three conversion

stages, eliminating the need for any external clocks. Acquisition

time of the sample-and-hold amplifier gives a resulting through-

put rate of 750 kHz/1 MHz.*

The AD7886 is available in both a 28-pin DIP and a 28-pin

leaded chip carrier.

PRODUCT HIGHLIGHTS

1. Fast 1.33 µs/1 µs Throughput Time.

Fast throughput time makes the AD7886 suitable for a

wide range of data acquisition applications.

The AD7886 operates from ±5 V power supplies. Pin-strappable

inputs offer a choice of three analog input ranges: 0 V to 5 V,

0 V to 10 V or ±5 V.

2. Dynamic Specifications for DSP Users.

The AD7886 is specified for ac parameters, including

signal-to-noise ratio, harmonic distortion and inter-

modulation distortion. Key digital timing parameters are

also tested and guaranteed over the full operating tem-

perature range.

In addition to the traditional dc accuracy specifications such as

linearity, offset and full-scale errors, the AD7886 is also speci-

fied for dynamic performance parameters, including harmonic

distortion and signal-to-noise ratio.

3. Fast Microprocessor Interface.

The AD7886 has a high speed digital interface with three-state

data outputs. Conversion control is provided by a CONVST in-

put. Data access is controlled by CS and RD inputs, standard

microprocessor signals. The data access time of less than 57 ns

means that the AD7886 can interface directly to most modern

microprocessors, including DSP processors.

Standard control signals, CS and RD, and fast bus ac-

cess times make the AD7886 easy to interface to micro-

processors.

4. Low Power.

LC²MOS fabrication process gives low power dissipa-

tion of 250 mW.

*Contact your local salesperson for further information on the 1 MHz

version.

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

World Wide Web Site: http://www.analog.com

12 3 4 5 6 7...16

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AD7886KP-REEL 替代型号

型号	品牌	替代类型	描述	数据表
AD7886JP-REEL	ADI	完全替代	1-CH 12-BIT FLASH METHOD ADC, PARALLEL ACCESS, PQCC28, PLASTIC, LCC-28
AD7886JP	ADI	完全替代	LC2MOS 12-Bit, 750 kHz/1 MHz, Sampling ADC
AD7886KP	ADI	功能相似	LC2MOS 12-Bit, 750 kHz/1 MHz, Sampling ADC

与AD7886KP-REEL相关器件

型号	品牌	获取价格	描述	数据表
AD7886TD	ADI	获取价格	LC2MOS 12-Bit, 750 kHz/1 MHz, Sampling ADC
AD7886TQ/883B	ETC	获取价格	Analog-to-Digital Converter， 12-Bit
AD7887	ADI	获取价格	+2.7 V to +5.25 V, Micropower, 2-Channel, 125 kSPS, 12-Bit ADC in 8-Lead uSOIC
AD7887_09	ADI	获取价格	2.7 V to 5.25 V, Micropower, 2-Channel, 125 kSPS, 12-Bit ADC in 8-Lead MSOP
AD7887AR	ADI	获取价格	+2.7 V to +5.25 V, Micropower, 2-Channel, 125 kSPS, 12-Bit ADC in 8-Lead uSOIC
AD7887ARM	ADI	获取价格	+2.7 V to +5.25 V, Micropower, 2-Channel, 125 kSPS, 12-Bit ADC in 8-Lead uSOIC
AD7887ARM	ROCHESTER	获取价格	2-CH 12-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDSO8, MO-187AA, MSOP-8
AD7887ARM-REEL	ADI	获取价格	2.7 V to 5.25 V, Micropower, 2-Channel, 125 kSPS, 12-Bit ADC in 8-Lead MSOP
AD7887ARM-REEL7	ADI	获取价格	2.7 V to 5.25 V, Micropower, 2-Channel, 125 kSPS, 12-Bit ADC in 8-Lead MSOP
AD7887ARM-REEL7	ROCHESTER	获取价格	2-CH 12-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDSO8, MO-187AA, MSOP-8

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