AD7226TQ

更新时间： 2024-02-09 03:01:59

品牌	Logo	应用领域
亚德诺 - ADI		转换器数模转换器信息通信管理
页数	文件大小	规格书
12页	249K
描述
LC2MOS Quad 8-Bit D/A Converter

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技术参数
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AD7226TQ 技术参数

是否无铅：	含铅	是否Rohs认证：	不符合
生命周期：	Not Recommended	零件包装代码：	DIP
包装说明：	CERDIP-20	针数：	20
Reach Compliance Code：	not_compliant	ECCN代码：	3A001.A.2.C
HTS代码：	8542.39.00.01	风险等级：	5.05
Is Samacsys：	N	最大模拟输出电压：	5 V
最小模拟输出电压：	-5 V	转换器类型：	D/A CONVERTER
输入位码：	BINARY	输入格式：	PARALLEL, 8 BITS
JESD-30 代码：	R-GDIP-T20	JESD-609代码：	e0
最大线性误差 (EL)：	0.3906%	标称负供电电压：	-5 V
位数：	8	功能数量：	4
端子数量：	20	最高工作温度：	125 °C
最低工作温度：	-55 °C	封装主体材料：	CERAMIC, GLASS-SEALED
封装代码：	DIP	封装等效代码：	DIP20,.3
封装形状：	RECTANGULAR	封装形式：	IN-LINE
峰值回流温度（摄氏度）：	NOT APPLICABLE	电源：	12/15, GND/-5 V
认证状态：	Not Qualified	座面最大高度：	5.08 mm
最大稳定时间：	20 µs	标称安定时间 (tstl)：	3 µs
子类别：	Other Converters	最大压摆率：	13 mA
标称供电电压：	15 V	表面贴装：	NO
技术：	BICMOS	温度等级：	MILITARY
端子面层：	Tin/Lead (Sn63Pb37)	端子形式：	THROUGH-HOLE
端子节距：	2.54 mm	端子位置：	DUAL
处于峰值回流温度下的最长时间：	NOT APPLICABLE	宽度：	7.62 mm
Base Number Matches：	1

AD7226TQ 数据手册

LC MOS

Quad 8-Bit D/A Converter

AD7226

FEATURES

FUNCTIO NAL BLO CK D IAGRAM

Four 8-Bit DACs w ith Output Am plifiers

Skinny 20-Pin DIP, SOIC and 20-Term inal

Surface Mount Packages

Microprocessor Com patible

TTL/ CMOS Com patible

No User Trim s

Extended Tem perature Range Operation

Single Supply Operation Possible

APPLICATIONS

Process Control

Autom atic Test Equipm ent

Autom atic Calibration of Large System Param eters,

e.g., Gain/ Offset

GENERAL D ESCRIP TIO N

P RO D UCT H IGH LIGH TS

T he AD7226 contains four 8-bit voltage-output digital-to-

analog converters, with output buffer amplifiers and interface

logic on a single monolithic chip. No external trims are required

to achieve full specified performance for the part.

1. DAC-to-DAC Matching

Since all four DACs are fabricated on the same chip at the

same time, precise matching and tracking between the DACs

is inherent.

Separate on-chip latches are provided for each of the four D/A

converters. Data is transferred into one of these data latches

through a common 8-bit T T L/CMOS (5 V) compatible input

port. Control inputs A0 and A1 determine which DAC is loaded

when WR goes low. T he control logic is speed-compatible with

most 8-bit microprocessors.

2. Single Supply Operation

T he voltage mode configuration of the DACs allows the

AD7226 to be operated from a single power supply rail.

3. Microprocessor Compatibility

T he AD7226 has a common 8-bit data bus with individual

DAC latches, providing a versatile control architecture for

simple interface to microprocessors. All latch enable signals

are level triggered.

Each D/A converter includes an output buffer amplifier capable

of driving up to 5 mA of output current. T he amplifiers’ offsets

are laser-trimmed during manufacture, thereby eliminating any

requirement for offset nulling.

4. Small Size

Combining four DACs and four op amps plus interface logic

into a 20-pin DIP or SOIC or a 20-terminal surface mount

package allows a dramatic reduction in board space require-

ments and offers increased reliability in systems using mul-

tiple converters. Its pinout is aimed at optimizing board

layout with all the analog inputs and outputs at one end of the

package and all the digital inputs at the other.

Specified performance is guaranteed for input reference voltages

from +2 V to +12.5 V with dual supplies. T he part is also speci-

fied for single supply operation at a reference of +10 V.

T he AD7226 is fabricated in an all ion-implanted high speed

Linear Compatible CMOS (LC²MOS) process which has been

specifically developed to allow high speed digital logic circuits

and precision analog circuits to be integrated on the same chip.

REV. A

Inform ation furnished by Analog Devices is believed to be accurate and

reliable. However, no responsibility is assum ed by Analog Devices for its

use, nor for any infringem ents of patents or other rights of third parties

which m ay result from its use. No license is granted by im plication or

otherwise under any patent or patent rights of Analog Devices.

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

Tel: 617/ 329-4700

Fax: 617/ 326-8703

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AD7228ABP	ADI	LC2MOS Octal 8-Bit DAC	获取价格
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