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參數(shù)資料
| 型號： | TC7117IJL |
| 元件分類： | ADC |
| 英文描述： | 1-CH 13-BIT DUAL-SLOPE ADC, ACCESS, CDIP40 |
| 封裝： | CERDIP-40 |
| 文件頁數(shù)： | 11/17頁 |
| 文件大?。?/td> | 221K |
| 代理商： | TC7117IJL |
3
3-1/2 DIGIT ANALOG-TO-DIGITAL
CONVERTERS WITH HOLD
TC7116
TC7116A
TC7117
TC7117A
ELECTRICAL CHARACTERISTICS (Cont.)
Parameter
Test Conditions
Min
Typ
Max
Unit
TC7116/TC7116A ONLY Peak-to-Peak
V+ to V– = 9V
4
5
6
V
Segment Drive Voltage
(Note 5)
TC7116/TC7116A ONLY Peak-to-Peak
V+ to V– = 9V
4
5
6
V
Backplane Drive Voltage
(Note 5)
TC7117/TC7117A ONLY Segment
V+ = 5V
5
8
—
mA
Sinking Current (Except Pin 19)
Segment Voltage = 3V
TC7117/TC7117A ONLY Segment
V+ = 5V
10
16
—
mA
Sinking Current (Pin 19 Only)
Segment Voltage = 3V
NOTES: 1. Input voltages may exceed supply voltages, provided input current is limited to
±100A.
2. Dissipation rating assumes device is mounted with all leads soldered to printed circuit board.
3. Unless otherwise noted, specifications apply at TA = +25°C, fCLOCK = 48kHz. TC7116/TC7116A and TC7117/TC7117A are tested in the
circuit of Figure 1.
4. Refer to "Differential Input" discussion.
5. Backplane drive is inphase with segment drive for “OFF” segment, 180
° out-of-phase for “ON” segment. Frequency is 20 times conver-
sion rate. Average DC component is less than 50mV.
6. The TC7116/TC7116A logic inputs have an internal pulldown resistor connected from HLDR, pin 1 to TEST, pin 37.
The TC7117/TC7117A logic inputs have an internal pulldown resistor connected from HLDR, pin 1 to GND, pin 21.
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