TC7106 データシートの表示（PDF） - TelCom Semiconductor Inc => Microchip
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TC7106 Datasheet PDF : 19 Pages
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3-1/2 DIGIT A/D CONVERTERS
1 TC7106
TC7106A
TC7107
TC7107A
ELECTRICAL CHARACTERISTICS (Cont.) (Note 3)
Parameters
Test Conditions
TC7106/A & TC7107/A
2
Min
Typ
Max Unit
Analog Common Voltage
(With Respect to Pos. Supply)
25kΩ Between Common
and Pos. Supply
2.7
3.05
3.35 V
Temp. Coeff. of
Analog Common
(With Respect
to Pos. Supply)
Temp. Coeff. of
Analog Common
(With Respect
to Pos. Supply)
TC7106A ONLY Pk – Pk
Segment Drive Voltage (Note 5)
TC7106A ONLY Pk – Pk
Backplane Drive Voltage (Note 5)
TC7107A ONLY
Segment Sinking Current (Except Pin 19)
TC7107A ONLY
Segment Sinking Current (Pin 19)
25kΩ Between Common
and Pos. Supply
0°C ≤ TA ≤ +70°C
7106A/7A 20
("C", Commercial Temp. Range Devices) 7106/7
80
25kΩ Between Common
and Pos. Supply
– 25°C ≤ TA ≤ 85°C
—
—
(“I,” Industrial Temp. Range Devices)
V+ to V– = 9V
4
5
V+ to V– = 9V
4
5
V+ = 5.0V
Segment Voltage = 3V
V+ = 5.0V
Segment Voltage = 3V
5
8.0
10
16
50
ppm/°C
—
3 ppm/°C
75
ppm/°C
6
V
6
V
—
mA
4
—
mA
NOTES: 1. Input voltages may exceed the supply voltages provided the input current is limited to ±100µA.
2. Dissipation rating assumes device is mounted with all leads soldered to printed circuit board.
3. Unless otherwise noted, specifications apply to both the TC7106/A and TC7107/A at TA = 25°C, fCLOCK = 48 kHz. Parts are tested in the
circuit of Figure 1.
4. Refer to “Differential Input” discussion.
5. Backplane drive is in phase with segment drive for “OFF” segment, 180° out of phase for “ON” segment. Frequency is 20 times
conversion rate. Average DC component is less than 50mV.
5
6
7
TELCOM SEMICONDUCTOR, INC.
8
3-185
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