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TC811CPL Datenblatt(PDF) 3 Page - TelCom Semiconductor, Inc

Teilenummer TC811CPL
Bauteilbeschribung  3-1/2 DIGIT A/D CONVERTER WITH HOLD AND DIFFERENTIAL REFERENCE INPUTS
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Hersteller  TELCOM [TelCom Semiconductor, Inc]
Direct Link  http://www.telcom-semi.com
Logo TELCOM - TelCom Semiconductor, Inc

TC811CPL Datenblatt(HTML) 3 Page - TelCom Semiconductor, Inc

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TELCOM SEMICONDUCTOR, INC.
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ELECTRICAL CHARACTERISTICS: VSupply = 9V, fCLOCK = 32.768kHz, and TA = 25°C, unless otherwise noted.
Symbol
Parameter
Test Conditions
Min
Typ
Max
Unit
TCSF
Scale Factor Temperature
VIN = 199mV, 0°C ≤ TA ≤ 70°C
1
5
ppm/
°C
Coefficient
(ext. VREF tc = 0ppm)
Analog Common Section
VCTC
Analog Common
250K
Ω from V+ to Analog Common
Temperature Coefficient
0
°C ≤ TA ≤ 70°C—
"C" Commercial
35
75
ppm/
°C
"I" Industrial
35
100
ppm/
°C
VC
Analog Common Voltage
250k
Ω from V+ to Analog Common
2.7
3.05
3.35
Volts
Hold Pin Input Section
Input Resistance
Pin 1 to Pin 37
70
k
VIL
Input Low Voltage
Pin 1
Test +1.5
V
VIH
Input High Voltage
Pin 1
V+ – 1.5
V
LCD Drive Section3
VSD
LCD Segment Drive Voltage
V+ to V= 9V
4
5
6
VP-P
VSD
LCD Backplane Drive Voltage
V+ to V= 9V
4
5
6
VP-P
Power Supply
ISUP
Power Supply Current
VIN = 0V, V+ to V= 9V
fOSC = 16kHz
70
100
µA
fOSC = 48kHz
90
125
µA
NOTES: 1. Input voltages may exceed supply voltages when input current is limited to 100
µA.
2. Dissipation rating assumes device is mounted with all leads soldered to a printed circuit board.
3. Backplane drive is in phase with the segment drive for "segment off" 180
° out of phase for "segment on." Frequency is 20 times the
conversion rate. Average DC component is less than 50mV.
V+
NORMAL PIN
CONFIGURATION
10's
100's
1000's
100's
TC811CPL
(40-PIN PDIP)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
21
1's
D2
C2
B2
A2
F2
E2
D3
B3
F3
E3
AB4
POL
(MINUS SIGN)
D1
C1
B1
A1
F1
G1
E1
10's
OSC
TEST
V
ANALOG
COMMON
CAZ
OSC2
HLDR
+
REF
V
REF
C
+
REF
C
REF
V
+
IN
V
IN
VBUFF
VINT
V –
G
C
A
G
BP
(BACKPLANE)
3
3
3
2
1
NC = NO INTERNAL CONNECTION
27
28
29
30
31
32
33
7
4
3
2
1
NC
TC811CKW
(PQFP)
12
13
14
15
17
18
G
44
43
42
41
39
38
40
16
37
36
35
34
19
20
21
22
26
8
25
9
24
10
23
11
5
6
C
V
TEST
NC
NC
HLDR
+
NC
OSC2
OSC1
2
3
A3
G3
BP
POL
AB4
E3
F3
B3
D1
C1
B1
PIN CONFIGURATIONS
3-1/2 DIGIT A/D CONVERTER WITH HOLD AND
DIFFERENTIAL REFERENCE INPUTS
TC811


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