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HI7191(1998) データシートの表示(PDF) - Intersil

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HI7191 Datasheet PDF : 24 Pages
1 2 3 4 5 6 7 8 9 10 Next Last
Functional Block Diagram
AVDD
TRANSDUCER
BURN-OUT
CURRENT
VINHI
VINLO
PGIA
VCM
HI7191
VRHI
VRLO
REFERENCE
INPUTS
∑−∆
MODULATOR
1-BIT
D/A
DIGITAL FILTER
1
CLOCK
GENERATOR
OSC1 OSC2
CONTROL AND SERIAL INTERFACE UNIT
CONTROL REGISTER
SERIAL INTERFACE
UNIT
DRDY RESET SYNC CS MODE
SCLK SDIO SDO
Typical Application Schematic
10MHz
INPUT +
INPUT -
+5V
+
0.1uF
R1
+2.5V
REFERENCE
-5V
0.1µF
+ 4.7µF
17
16
13
OSC1 OSC2
15
AVDD
DVDD
+
+5V
4.7µF
4.7µF
12 VINHI
11 VINLO
10
VCM
SCLK
SDIO
0.1µF
1
3
2
SDO
DATA I/O
DATA OUT
9 VRHI
8 VRLO
7 AVSS
AGND
14
19
SYNC
4
CS
5
DRDY
18
RESET
MODE 20
DGND
6
SYNC
CS
DRDY
RESET
1898

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