參數(shù)資料
型號: TC7109CLWR
元件分類: ADC
英文描述: 1-CH 12-BIT DUAL-SLOPE ADC, PARALLEL ACCESS, PQCC44
封裝: PLASTIC, LCC-44
文件頁數(shù): 2/28頁
文件大?。?/td> 598K
代理商: TC7109CLWR
TC7109/A
DS21456B-page 10
2002 Microchip Technology Inc.
FIGURE 3-2:
DIGITAL SECTION
FIGURE 3-3:
TC7109A RUN/HOLD OPERATION
TEST
17
POL
3
OR
4
B
12
5
B
11
6
B
10
7
B
9
8
B
8
9
B
7
10
B
6
11
B
5
12
B
4
13
B
3
14
226
22
23
24
25
21
STATUS
RUN/
HOLD
OSC
IN
OSC
OUT
OSC
SEL
BUFF
OSC
OUT
MODE
To
Analog
Section
COMP OUT
AZ
INT
DE (±)
ZI
Conversion
Control Logic
Oscillator and
Clock Circuitry
High Order
Byte Outputs
Low Order
Byte Outputs
Handshake
Logic
B
2
15
B
1
16
27
SEND
18
19
20
LBEN
HBEN
CE/LOAD
1
GND
14 Latches
12-Bit Counter
14 Three-State Outputs
Latch
Clock
Integrator Output
Internal Clock
Determinated at
Zero Crossing
Detection
Auto-Zero Phase I
Min 1790 Counts
Max 2041 Counts
Static in
Hold State
INT
Phase II
RUN/HOLD input is ignored until end of auto-zero phase.
*Note:
*
Internal Latch
Status Output
RUN/HOLD Input
7 Counts
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