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TC7129CPL Datasheet(PDF) 3 Page - TelCom Semiconductor, Inc

Part # TC7129CPL
Description  4-1/2 DIGIT ANALOG-TO-DIGITAL CONVERTER WITH ON-CHIP LCD DRIVERS
PDF  15 Pages
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Manufacturer  TELCOM [TelCom Semiconductor, Inc]
Direct Link  http://www.telcom-semi.com
Logo TELCOM - TelCom Semiconductor, Inc

TC7129CPL Datasheet(HTML) 3 Page - TelCom Semiconductor, Inc

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TELCOM SEMICONDUCTOR, INC.
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18
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543
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44
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22
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40
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TC7129CLW
F1, E1, DP1
B2, C2, BATT
A2, G2, D2
F2, E2, DP2
B3, C3, MINUS
A3, G3, D3
F3, E3, DP3
B4, C4, BC5
A4, G4, D4
F4, E4, DP4
NC
REF LO
REF HI
IN HI
IN LO
BUFF
C
–
REF
C
+
REF
COM
CONT
INT OUT
NC
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4
3
2
1
TC7129CKW
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44
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40
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26
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5
6
REF LO
REF HI
IN HI
IN LO
BUFF
C
–
REF
C
+
REF
COM
CONT
INT OUT
NC
F1, E1, DP1
B2, C2, BATT
A2, G2, D2
F2, E2, DP2
B3, C3, MINUS
A3, G3, D3
F3, E3, DP3
B4, C4, BC5
A4, G4, D4
F4, E4, DP4
NC
TC7129CPL
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21
OSC2
DP1
DP2
RANGE
DGND
REF LO
REF HI
IN HI
IN LO
BUFF
C
–
REF
C
+
REF
COM
CONT
INT OUT
INT IN
V
+
V –
DP3/UR
OSC1
OSC3
ANNUNICATOR DRIVE
B1, C1, CONT
A1, G1, D1
F1, E1, DP1
B2, C2, LO BATT
A2, G2, D2
F2, E2, DP2
B3, C3, MINUS
A3, G3, D3
F3, E3, DP3
B4, C4, BC5
A4, G4, D4
F4, E4, DP4
BP3
BP2
BP1
VDISP
DP4/OR
DISPLAY
OUTPUT
LINES
LATCH/HOLD
PIN CONFIGURATIONS
44-Pin PLCC
44-Pin QFP
40-Pin PDIP
"Weak Output" Current
Pins 20, 21 Sink/Source
—
3/3
—
µA
Sink/Source
Pin 27 Sink/Source
—
3/9
—
µA
Pin 22 Source Current
—
40
—
µA
Pin 22 Sink Current
—
3
—
µA
Symbol
Parameter
Test Conditions
Min
Typ
Max
Unit
ELECTRICAL CHARACTERISTICS: V+ to V– = 9V, VREF = 1V, TA = +25°C, fCLK = 120 kHz, unless otherwise
indicated. Pin numbers refer to 40-pin DIP.
TC7129
4-1/2 DIGIT ANALOG-TO-DIGITAL
CONVERTER WITH ON-CHIP LCD DRIVERS



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