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參數(shù)資料
| 型號(hào)： | TC811CPL |
| 廠商： | TelCom Semiconductor, Inc. |
| 元件分類(lèi)： | 顯示驅(qū)動(dòng)器 |
| 英文描述： | 3-1/2 DIGIT A/D CONVERTER WITH HOLD AND DIFFERENTIAL REFERENCE INPUTS |
| 中文描述： | 3-1/2位數(shù)的A / D持有和差分基準(zhǔn)輸入變換器 |
| 文件頁(yè)數(shù)： | 3/12頁(yè) |
| 文件大?。?/td> | 171K |
| 代理商： | TC811CPL |
3-139
TELCOM SEMICONDUCTOR, INC.
7
6
5
4
3
1
2
8
ELECTRICAL CHARACTERISTICS:
V
Supply
= 9V, f
CLOCK
= 32.768kHz, and T
A
= 25
°
C, unless otherwise noted.
Symbol
Parameter
Test Conditions
Min
Typ
Max
Unit
TC
SF
Scale Factor Temperature
Coefficient
V
IN
= 199mV, 0
°
C
≤
T
A
≤
70
°
C
(ext. V
REF
tc = 0ppm)
—
1
5
ppm/
°
C
Analog Common Section
V
CTC
Analog Common
Temperature Coefficient
250K
from V+ to Analog Common
0
°
C
≤
T
A
≤
70
°
C
"C" Commercial
"I" Industrial
250k
from V+ to Analog Common
—
—
—
—
2.7
—
—
35
35
3.05
—
—
75
100
3.35
—
—
ppm/
°
C
ppm/
°
C
Volts
V
C
Hold Pin Input Section
Analog Common Voltage
Input Resistance
Input Low Voltage
Input High Voltage
Pin 1 to Pin 37
Pin 1
Pin 1
—
—
70
—
—
—
k
V
V
V
IL
V
IH
LCD Drive Section
3
V
SD
V
SD
Power Supply
I
SUP
Test +1.5
—
V
+
– 1.5
LCD Segment Drive Voltage
LCD Backplane Drive Voltage
V
+
to V
–
= 9V
V
+
to V
–
= 9V
4
4
5
5
6
6
V
P-P
V
P-P
Power Supply Current
V
IN
= 0V, V
+
to V
–
= 9V
f
OSC
= 16kHz
f
OSC
= 48kHz
—
—
—
—
70
90
—
100
125
—
μ
A
μ
A
NOTES:
1. Input voltages may exceed supply voltages when input current is limited to 100
μ
A.
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
REF
CO+
V
IN
V
IN
CAZ
VBUFF
VINT
V–
OSC2
HLDR
+
REF
C
REF
C
REF
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
A1
13
F1
14
G1
15
E1
17
C2
18
B2
G
44
43
42
41
39
38
40
C
16
D2
37
A
C
36
B
V
35
I
V
34
V
–
19
20
21
22
3
D
26
8
25
9
24
10
23
11
5
6
C
V
TEST
NC
NC
HLDR
+
A2
F2
E2
NC
OSC
2
OSC
1
R
C
R
C
V
+
2
3
A
3
G
3
BP
POL
AB
4
E
3
F3
B3
D
1
C
1
B
1
+
R
V
+
R
V
I
V
–
I
–
–
PIN CONFIGURATIONS
3-1/2 DIGIT A/D CONVERTER WITH HOLD AND
DIFFERENTIAL REFERENCE INPUTS
TC811
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