参数资料
型号: CAT512J-TE13
元件分类: 模拟信号调理
英文描述: SPECIALTY ANALOG CIRCUIT, PDSO14
封装: SOIC-14
文件页数: 9/10页
文件大小: 71K
代理商: CAT512J-TE13
CAT512
8/00
8
Advanced Information
APPLICATION CIRCUITS (Cont.)
Coarse-Fine Offset Control by Averaging DAC Outputs
for Single Power Supply Systems
Coarse-Fine Offset Control by Averaging DAC Outputs
for Dual Power Supply Systems
+
FINE ADJUST
DAC
COARSE ADJUST
DAC
GND
V
L
REF
V
H
REF
VDD
RC
127RC
+V
+5V
+VREF
-V
-VREF
Ro
R = ———————————
C
1 A
OFFSET
VOFFSET
REF
(+V
) - (V
)
R = ———————————
o
1 A
OFFSET
REF
(-V
) + (V
)
+
FINE ADJUST
DAC
COARSE ADJUST
DAC
GND
V
L
REF
V
H
REF
VDD
RC
127RC
+V
+5V
VREF
R = —————
C
256 1 A
VREF
*
Fine adjust gives ± 1 LSB change in V
when V
= ———
OFFSET
VREF
2
OFFSET
V OFFSET
OPT 505
LT 1029
I > 2 mA
V+
GND
VDD
V
= 5.000V
REF
V
H
REF
V
L
REF
CONTROL
& DATA
OPT 505
GND
VDD
V
H
REF
V
L
REF
CONTROL
& DATA
+
15K
10 F
5.1V
10K
4.02 K
1.00K
10 F
35V
LM 324
1N5231B
MPT3055EL
28 - 32V
OUTPUT
0 - 25V
@ 1A
Digitally Trimmed Voltage Reference
Digitally Controlled Voltage Reference
CAT512
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相关代理商/技术参数
参数描述
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