參數(shù)資料
型號(hào): LTC7541AJSW#PBF
廠商: Linear Technology
文件頁(yè)數(shù): 1/4頁(yè)
文件大小: 0K
描述: IC CMOS D/A CONV 12BIT 18-SOIC
標(biāo)準(zhǔn)包裝: 40
設(shè)置時(shí)間: 600ns
位數(shù): 12
數(shù)據(jù)接口: 并聯(lián)
轉(zhuǎn)換器數(shù)目: 1
電壓電源: 單電源
功率耗散(最大): 550µW
工作溫度: 0°C ~ 70°C
安裝類型: 表面貼裝
封裝/外殼: 18-SOIC(0.295",7.50mm 寬)
供應(yīng)商設(shè)備封裝: 18-SOIC
包裝: 管件
輸出數(shù)目和類型: 2 電流,單極;2 電流,雙極
采樣率(每秒): *
1
LTC7541A
Improved
Industry Standard CMOS
12-Bit Multiplying DAC
s
Improved Direct Replacement for AD7541A
and AD7541
s
4-Quadrant Multiplication
s
12-Bit End-Point Linearity:
±0.5LSB DNL and INL
Over Temperature
s
All Grades Guaranteed Monotonic
s
Maximum Gain Error:
±1LSB
s
Single 5V to 15V Supply
s
TTL and CMOS Logic Compatible
s
Reduced Sensitivity to Op Amp Offset
s
Low Power Consumption
s
Virtually Latch-Up Proof
s
Low Cost
The LTC
7541A is a 12-bit resolution multiplying digital-
to-analog converter (DAC).
Laser-trimmed thin-film resistors provide excellent abso-
lute accuracy. Precision matched resistors and CMOS
circuitry result in remarkable stability with temperature
and supply variations.
The LTC7541A is a superior pin compatible replacement
for the industry standard AD7541A/AD7541. Improve-
ments include better typical accuracy and stability and
reduced sensitivity to output amplifier offset. The LTC7541A
is also very resistant to latch-up.
In addition to 2-quadrant and 4-quadrant multiplying
configurations, the LTC7541A performs well in digitally
programmable gain and noninverting voltage output ap-
plications. Low cost, improved performance and versatil-
ity make the LTC7541A the best choice for many new
designs and for upgrading existing systems. Parts are
available in 18-pin PDIP and 18-pin SO Wide packages.
FEATURES
DESCRIPTION
U
s
Motion Control Systems
s
Microprocessor-Controlled Calibration
s
Automatic Test Equipment
s
Programmable Gain Amplifiers
s
Digitally Controlled Filters
APPLICATIONS
U
, LTC and LT are registered trademarks of Linear Technology Corporation.
TYPICAL APPLICATION
U
2-Quadrant Multiplying DAC Has Less Than
0.5LSB (Typ) Total Unadjusted Error
DIGITAL INPUT CODE
0
INTEGRAL
NONLINEARITY
(LSB)
4095
7541A TA02
1024
2048
3072
1.0
0.5
0
–0.5
–1.0
512
1536
2560
3584
TA = 85°C T
A = 25°C
TA = –40°C
Integral Nonlinearity Over Temperature
VDD
VREF
LTC7541A
RFB
GND
3
4 TO 15
2
16
15V
VIN
17
18
1
OUT 1
33pF
VOUT
7541 TA01
OUT 2
+
0.1
F
LT
1097
DIGITAL INPUTS
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