LTC1257 View Datasheet(PDF) - Linear Technology
Part Name
Description
MFG CO.
'LTC1257' PDF : 12 Pages View PDF
TYPICAL APPLICATIONS
Auto Ranging 8-Channel ADC with Shutdown
22µF
5V
CH0 VCC
CS
8 ANALOG
INPUT CHANNELS
•••
DOUT
LTC1296 CLK
µP
CH7
COM
REF+ REF–
DIN
SSO
50k
50k
5V
74HC04
0.1µF
100Ω
0.1µF
VOUT
VCC DIN
CLK
LTC1257 LOAD
GND VREF DOUT
100Ω
0.1µF
VOUT
VCC DIN
CLK
LTC1257
LOAD
GND VREF DOUT
1257 TA02
LTC1257
12-Bit Single 5V Control System with Shutdown
5V
100k
10k
2N3906
VIN
–
J
LT1025A
+
GND COMMON
+
10µF
LTC1050
–
74k
1k
0.1µF
47k
–IN VCC CS
DOUT
CLK
LTC1297
ADC
+IN
GND VREF
1µF
1µF 100k
CONTROL
OUTPUT
VREF VCC DIN
CLK
VOUT LTC1257 LOAD
GND
DOUT
10µF
CB/POWER DOWN
CLK
DATA µP
DAC LOAD
1257 TA04
1257fc
9
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