AD7228ABP

更新时间： 2024-02-24 18:07:28

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
8页	209K
描述
LC2MOS Octal 8-Bit DAC

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AD7228ABP 技术参数

是否Rohs认证：	不符合	生命周期：	Obsolete
零件包装代码：	DIP	包装说明：	CERDIP-24
针数：	24	Reach Compliance Code：	not_compliant
ECCN代码：	3A001.A.2.C	HTS代码：	8542.39.00.01
风险等级：	5.07	Is Samacsys：	N
最大模拟输出电压：	10 V	最小模拟输出电压：
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-T24
JESD-609代码：	e0	最大线性误差 (EL)：	0.195%
标称负供电电压：	-5 V	位数：	8
功能数量：	1	端子数量：	24
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：	DIP24,.3	封装形状：	RECTANGULAR
封装形式：	IN-LINE	峰值回流温度（摄氏度）：	NOT SPECIFIED
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：	5 µs
子类别：	Other Converters	最大压摆率：	22 mA
表面贴装：	NO	技术：	MOS
温度等级：	MILITARY	端子面层：	Tin/Lead (Sn/Pb)
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 SPECIFIED
宽度：	7.62 mm	Base Number Matches：	1

AD7228ABP 数据手册

LC MOS

Octal 8-Bit DAC

AD7228A

FEATURES

FUNCTIO NAL BLO CK D IAGRAM

Eight 8-Bit DACs w ith Output Am plifiers

Operates w ith Single +5 V, +12 V or +15 V

or Dual Supplies

␮P Com patible (95 ns WR Pulse)

No User Trim s Required

Skinny 24-Pin DlPs, SOIC, and 28-Term inal Surface

Mount Packages

GENERAL D ESCRIP TIO N

T he AD7228A contains eight 8-bit voltage-mode 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.

P RO D UCT H IGH LIGH TS

1. Eight DACs and Amplifiers in Small Package

T he single-chip design of eight 8-bit DACs and amplifiers al-

lows a dramatic reduction in board space requirements and

offers increased reliability in systems using multiple convert-

ers. Its pinout is aimed at optimizing board layout with all

analog inputs and outputs at one side of the package and all

digital inputs at the other.

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

converters. Data is transferred into the data latches through a

common 8-bit T T L/CMOS (5 V) compatible input port. Ad-

dress inputs A0, A1 and A2 determine which latch is loaded

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

most 8-bit microprocessors.

2. Single or Dual Supply Operation

Specified performance is guaranteed for input reference voltages

from +2 to +10 V when using dual supplies. T he part is also

specified for single supply +15 V operation using a reference of

+10 V and single supply +5 V operation using a reference of

+1.23 V. Each output buffer amplifier is capable of developing

+10 V across a 2 kΩ load.

T he voltage-mode configuration of the DACs allows single

supply operation of the AD7228A. T he part can also be oper-

ated with dual supplies giving enhanced performance for

some parameters.

3. Microprocessor Compatibility

T he AD7228A 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 and speed compatible with most high per-

formance 8-bit microprocessors.

T he AD7228A is fabricated on an all ion-implanted, high-

speed, Linear Compatible CMOS (LC²MOS) process which has

been specifically developed to integrate high-speed digital logic

circuits and precision analog circuits 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

12 3 4 5 6 7 8

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