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參數(shù)資料
| 型號： | AD7538KR |
| 廠商： | ANALOG DEVICES INC |
| 元件分類： | DAC |
| 英文描述： | LC2MOS uP-Compatible 14-Bit DAC |
| 中文描述： | PARALLEL, WORD INPUT LOADING, 0.8 us SETTLING TIME, 14-BIT DAC, PDSO24 |
| 封裝： | SOIC-24 |
| 文件頁數(shù)： | 1/8頁 |
| 文件大?。?/td> | 148K |
| 代理商： | AD7538KR |
FUNCT IONAL BLOCK DIAGRAM
REV. A
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.
a
LC
2
MOS
m
P-Compatible 14-Bit DAC
AD7538
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 617/329-4700
Fax: 617/326-8703
FEATURES
All Grades 14-Bit Monotonic Over the Full Temperature
Range
Low Cost 14-Bit Upgrade for 12-Bit Systems
14-Bit Parallel Load with Double Buffered Inputs
Small 24-Pin, 0.3
0
DIP and SOIC
Low Output Leakage (<20 nA) Over the Full
Temperature Range
APPLICATIONS
Microprocessor Based Control Systems
Digital Audio
Precision Servo Control
Control and Measurement in High Temperature
Environments
GE NE RAL DE SCRIPT ION
T he AD7538 is a 14-bit monolithic CMOS D/A converter
which uses laser trimmed thin-film resistors to achieve excellent
linearity.
T he DAC is loaded by a single 14-bit wide word using standard
Chip Select and Memory Write Logic. Double buffering, which
is optional using
LDAC
, allows simultaneous update in a sys-
tem containing multiple AD7538s.
A novel low leakage configuration (U.S. Patent No. 4,590,456)
enables the AD7538 to exhibit excellent output leakage current
characteristics over the specified temperature range.
T he AD7538 is manufactured using the Linear Compatible
CMOS (LC
2
MOS) process. It is speed compatible with most
microprocessors and accepts T T L or CMOS logic level inputs.
PRODUCT HIGHLIGHT S
1. Guaranteed Monotonicity
T he AD7538 is guaranteed monotonic to 14-bits over the
full temperature range for all grades.
2. Low Cost
T he AD7538, with its 14-bit dynamic range, affords a low
cost solution for 12-bit system upgrades.
3. Small Package Size
T he AD7538 is packaged in a small 24-pin, 0.3" DIP and a
24-pin SOIC.
4. Low Output Leakage
By tying V
SS
(Pin 24) to a negative voltage, it is possible to
achieve a low output leakage current at high temperatures.
5. Wide Power Supply T olerance
T he device operates on a +12 V to +15 V V
DD
, with a
±
5%
tolerance on this nominal figure. All specifications are
guaranteed over this range.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AD7538KR-REEL | 制造商:Analog Devices 功能描述: |
| AD7538KRZ | 功能描述:IC DAC 14BIT W/BUFF 24-SOIC RoHS:是 類別:集成電路 (IC) >> 數(shù)據(jù)采集 - 數(shù)模轉(zhuǎn)換器 系列:- 標準包裝:1 系列:- 設(shè)置時間:4.5µs 位數(shù):12 數(shù)據(jù)接口:串行，SPI? 轉(zhuǎn)換器數(shù)目:1 電壓電源:單電源 功率耗散（最大）:- 工作溫度:-40°C ~ 125°C 安裝類型:表面貼裝 封裝/外殼:8-SOIC（0.154"，3.90mm 寬） 供應(yīng)商設(shè)備封裝:8-SOICN 包裝:剪切帶 (CT) 輸出數(shù)目和類型:1 電壓，單極；1 電壓，雙極 采樣率（每秒）:* 其它名稱:MCP4921T-E/SNCTMCP4921T-E/SNRCTMCP4921T-E/SNRCT-ND |
| AD7538KRZ1 | 制造商:AD 制造商全稱:Analog Devices 功能描述:LC2MOS Microprocessor-Compatible 14-Bit DAC |
| AD7538KRZ-REEL | 功能描述:IC DAC 14BIT W/BUFF 24-SOIC RoHS:是 類別:集成電路 (IC) >> 數(shù)據(jù)采集 - 數(shù)模轉(zhuǎn)換器 系列:- 標準包裝:2,400 系列:- 設(shè)置時間:- 位數(shù):18 數(shù)據(jù)接口:串行 轉(zhuǎn)換器數(shù)目:3 電壓電源:模擬和數(shù)字 功率耗散（最大）:- 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:36-TFBGA 供應(yīng)商設(shè)備封裝:36-TFBGA 包裝:帶卷 (TR) 輸出數(shù)目和類型:* 采樣率（每秒）:* |
| AD7538KRZ-REEL1 | 制造商:AD 制造商全稱:Analog Devices 功能描述:LC2MOS Microprocessor-Compatible 14-Bit DAC |
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