TC7109 データシートの表示（PDF） - Microchip Technology
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TC7109 Datasheet PDF : 30 Pages
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TC7109/A
Typical Application
TC7109A
REF REF CREF REF
CAP+ IN+
IN-
37 36
39
REF RINT
CAZ
CAP-
38
30
BUFF
31
AZ 32
CINT
INT
17
High Order
Byte Inputs
Low Order
Byte Inputs
3 4 5 6 7 8 9 10 11 12 13 14 15 16
Input 35 INT
High
AZ AZ
ZI
ZI
DE DE
(–) (+)
Buffer
–
+
Integrator
–
+
Comparator
Comp
Out
16 Three-State Outputs
14 Latches
AZ
Common 33
Input Low 34 INT
DE DE
(+) (–)
AZ
DE (±)
ZI
ZI
10mA
–
+
AZ
To Analog
Section
Comp Out
AZ
INT
DE (±)
ZI
12-Bit Counter
Latch
Clock
Conversion
Control Logic
Oscillator and
Clock Circuitry
Handshake
Logic
6.2V
18 LBEN
19 HBEN
20 CE/LOAD
29
28
40
REF V-
V+
OUT
2
Status
26
22 23 24 25 21
RUN/ OSC OSC OSC BUFF Mode
HOLD IN OUT SEL OSC
OUT
27
Send
1
GND
© 2006 Microchip Technology Inc.
DS21456C-page 3
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