AD7302

更新时间： 2024-02-14 12:07:19

品牌	Logo	应用领域
亚德诺 - ADI		/
页数	文件大小	规格书
16页	294K
描述
2.7 V to 5.5 V, Parallel Input Dual Voltage Output 8-Bit DAC

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技术参数
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AD7302 技术参数

是否无铅：	含铅	是否Rohs认证：	符合
生命周期：	Active	零件包装代码：	SOIC
包装说明：	SOP, SOP20,.4	针数：	20
Reach Compliance Code：	compliant	ECCN代码：	EAR99
HTS代码：	8542.39.00.01	风险等级：	1
最大模拟输出电压：	3 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-PDSO-G20
JESD-609代码：	e3	长度：	12.8 mm
最大线性误差 (EL)：	0.3906%	湿度敏感等级：	1
位数：	8	功能数量：	1
端子数量：	20	最高工作温度：	105 °C
最低工作温度：	-40 °C	封装主体材料：	PLASTIC/EPOXY
封装代码：	SOP	封装等效代码：	SOP20,.4
封装形状：	RECTANGULAR	封装形式：	SMALL OUTLINE
峰值回流温度（摄氏度）：	260	电源：	3/5 V
认证状态：	Not Qualified	座面最大高度：	2.65 mm
最大稳定时间：	2 µs	标称安定时间 (tstl)：	1.2 µs
子类别：	Other Converters	最大压摆率：	5 mA
标称供电电压：	3 V	表面贴装：	YES
技术：	CMOS	温度等级：	INDUSTRIAL
端子面层：	Matte Tin (Sn)	端子形式：	GULL WING
端子节距：	1.27 mm	端子位置：	DUAL
处于峰值回流温度下的最长时间：	30	宽度：	7.5 mm
Base Number Matches：	1

AD7302 数据手册

2.7 V to 5.5 V, Parallel Input

Dual Voltage Output 8-Bit DAC

AD7302

FEATURES

FUNCTIONAL BLOCK DIAGRAM

Two 8-Bit DACs In One Package

20-Lead DIP/SOIC/TSSOP Package

+2.7 V to +5.5 V Operation

Internal and External Reference Capability

DAC Power-Down Function

Parallel Interface

On-Chip Output Buffer

Rail-to-Rail Operation

Low Power Operation 3 mA max @ 3.3 V

Power-Down to 1 ␮A max @ 25؇C

AD7302

INPUT

DAC

I DAC A

I/V

OUT

INPUT

DAC

I DAC B

MUX

OUT

A/B

POWER ON

RESET

CONTROL

LOGIC

÷2

AGND

APPLICATIONS

Portable Battery Powered Instruments

Digital Gain and Offset Adjustment

Programmable Voltage and Current Sources

Programmable Attenuators

REFIN

DGND

LDAC

CLR

GENERAL DESCRIPTION

PRODUCT HIGHLIGHTS

The AD7302 is a dual, 8-bit voltage out DAC that operates

from a single +2.7 V to +5.5 V supply. Its on-chip precision

output buffers allow the DAC outputs to swing rail to rail. The

AD7302 has a parallel microprocessor and DSP-compatible

interface with high speed registers and double buffered interface

logic. Data is loaded to the registers on the rising edge of CS or

WR and the A/B pin selects either DAC A or DAC B.

1. Low Power, Single Supply Operation. This part operates

from a single +2.7 V to +5.5 V supply and typically consumes

15 mW at 5 V, making it ideal for battery powered applications.

2. The on-chip output buffer amplifiers allow the outputs of the

DACs to swing rail to rail with a settling time of typically 1.2 µs.

3. Internal or external reference capability.

4. High speed parallel interface.

Reference selection for AD7302 can be either an internal

reference derived from the V_DDor an external reference applied

at the REFIN pin. Both DACs can be simultaneously updated

using the asynchronous LDAC input and can be cleared by

using the asynchronous CLR input.

5. Power-Down Capability. When powered down the DAC

consumes less than 1 µA at 25°C.

6. Packaged in 20-lead DIP, SOIC and TSSOP packages.

The low power consumption of this part makes it ideally suited

to portable battery operated equipment. The power consump-

tion is less than 10 mW at 3.3 V, reducing to 3 µW in power-

down mode.

The AD7302 is available in a 20-pin plastic dual-in-line package,

20-lead SOIC and a 20-lead TSSOP package.

REV. 0

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

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与AD7302相关器件

型号	品牌	描述	获取价格	数据表
AD7302BN	ROCHESTER	PARALLEL, 8 BITS INPUT LOADING, 1.2us SETTLING TIME, 8-BIT DAC, PDIP20, PLASTIC, DIP-20	获取价格
AD7302BN	ADI	2.7 V to 5.5 V, Parallel Input Dual Voltage Output 8-Bit DAC	获取价格
AD7302BNZ	ADI	2.7 V to 5.5 V, Parallel Input Dual Voltage Output 8-Bit DAC	获取价格
AD7302BNZ	ROCHESTER	PARALLEL, 8 BITS INPUT LOADING, 1.2 us SETTLING TIME, 8-BIT DAC, PDIP20, PLASTIC, DIP-20	获取价格
AD7302BR	ADI	2.7 V to 5.5 V, Parallel Input Dual Voltage Output 8-Bit DAC	获取价格
AD7302BR	ROCHESTER	PARALLEL, 8 BITS INPUT LOADING, 1.2 us SETTLING TIME, 8-BIT DAC, PDSO20, SOIC-20	获取价格

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