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參數(shù)資料
| 型號： | TC7126RCPL |
| 元件分類： | ADC |
| 英文描述： | 1-CH DUAL-SLOPE ADC, PARALLEL ACCESS, PDIP40 |
| 封裝： | REVERSE, PLASTIC, DIP-40 |
| 文件頁數(shù)： | 23/26頁 |
| 文件大?。?/td> | 413K |
| 代理商： | TC7126RCPL |
TC7126/A
DS21458C-page 6
2006 Microchip Technology Inc.
VC
Analog Common Voltage
2.7
3.05
3.35
V
250k
Ω Between Common and V+
LCD Drive
VSD
LCD Segment Drive Voltage
4
5
6
VP-P
V+ to V- = 9V
VBD
LCD Backplane Drive Voltage
4
5
6
VP-P
V+ to V- = 9V
Power Supply
IS
Power Supply Current
—
55
100
μAVIN = 0V, V+ to V- = 9V (Note 6)
TABLE 1-1:
TC7126/A ELECTRICAL SPECIFICATIONS (CONTINUED)
Electrical Characteristics: VS = +9V, fCLK – 16kHz, and TA = +25°C, unless otherwise noted.
Symbol
Parameter
Min
Typ
Max
Unit
Test Conditions
Note
1:
Input voltages may exceed the supply voltages, provided the input current is limited to ±100
μA.
2: Dissipation rating assumes device is mounted with all leads soldered to printed circuit board.
3: Refer to “Differential Input” discussion.
4: 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: See “Typical Application”.
6: During Auto-Zero phase, current is 10-20
μA higher. A 48kHz ocillator increases current by 8μA (Typical). Common
current is not included.
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