參數(shù)資料
型號(hào): TC7126ACLW713
元件分類: ADC
英文描述: 1-CH DUAL-SLOPE ADC, PQCC44
封裝: PLASTIC, LCC-44
文件頁(yè)數(shù): 19/22頁(yè)
文件大?。?/td> 553K
代理商: TC7126ACLW713
TC7126/A
DS21458B-page 6
2002 Microchip Technology Inc.
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
AVIN = 0V, V+ to V- = 9V (Note 6)
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
A.
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
A higher. A 48kHz ocillator increases current by 8A (Typical). Common
current is not included.
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