参数资料
型号: TC7109IJL
元件分类: ADC
英文描述: 1-CH 12-BIT DUAL-SLOPE ADC, PARALLEL ACCESS, CDIP40
封装: CERAMIC, DIP-40
文件页数: 23/30页
文件大小: 479K
代理商: TC7109IJL
2006 Microchip Technology Inc.
DS21456C-page 3
TC7109/A
Typical Application
Input
High
AZ
BUFF
CAZ
INT
Buffer
Integrator
AZ
ZI
AZ
ZI
DE
(+)
AZ
INT
AZ
Comparator
Comp
Out
35
31
30
CREF
AZ
DE (±)
ZI
33
34
Common
Input Low
INT
37
36
REF
IN+
DE
(–)
DE
(–)
DE
(+)
RINT
CINT
38
39
REF
CAP-
REF
CAP+
ZI
6.2V
10mA
28
40
V+
V-
29
REF
OUT
17
3 4 5 6 7 8 9 10 11 12 13 14
226
22
23
24
25
21
To Analog
Section
Comp Out
AZ
INT
DE (±)
ZI
Conversion
Control Logic
Oscillator and
Clock Circuitry
Handshake
Logic
15 16
27
18
19
20
LBEN
HBEN
CE/LOAD
1
GND
14 Latches
12-Bit Counter
16 Three-State Outputs
Send
Mode
BUFF
OSC
OUT
OSC
SEL
OSC
OUT
OSC
IN
RUN/
HOLD
Status
POL
OR
TEST
High Order
Byte Inputs
Low Order
Byte Inputs
TC7109A
REF
IN-
B
12
B
11
B
10
B
9
B
8
B
7
B
6
B
5
B
4
B
3
B
2
B
1
Latch
Clock
32
+
+
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