参数资料
型号: TC7136CKW713
厂商: Microchip Technology
文件页数: 6/22页
文件大小: 0K
描述: IC ADC 3 1/2DGT LOW PWR 44-MQFP
标准包装: 900
显示器类型: LCD
配置: 7 段显示
数字或字符: A/D,3.5 位数字
电流 - 电源: 70µA
电源电压: 9V
工作温度: 0°C ~ 70°C
安装类型: 表面贴装
封装/外壳: 44-QFP
供应商设备封装: 44-MQFP(10x10)
包装: 带卷 (TR)
TC7136/TC7136A
TC7136 AND TC7136A ELECTRICAL SPECIFICATIONS (CONTINUED)
Electrical Characteristics: V S = 9V, f CLK = 16kHz, and T A = +25°C, unless otherwise noted.
Symbol
Parameter
Min
Typ
Max
Unit
Test Conditions
Analog Common
V CTC
Analog Common Temperature
Coefficient
250k Ω between Common and V+
TC7136A
TC7136
TC7136A
TC7136
35
70
35
70
75
150
100
150
ppm/°C
ppm/°C
ppm/°C
ppm/°C
0°C ≤ T A ≤ +70°C
"C" Commercial Temp. Range Devices
-25°C ≤ T A ≤ +85°C
"I" Industrial Temp. Range Devices
V C
Analog Common Voltage
2.7
3.05
3.35
V
250k Ω Between Common and V+
LCD Drive
V SD
V BD
LCD Segment Drive Voltage
LCD Backplane Drive Voltage
4
4
5
5
6
6
V P-P
V P-P
V+ to V- = 9V
V+ to V- = 9V
Power Supply
I S
Power Supply Current
70
100
μ A
V IN = 0V, V+ to V- = 9V (Note 6)
Note 1:
2:
3:
4:
Input voltages may exceed supply voltages when input current is limited to 100 μ A.
Dissipation rating assumes device is mounted with all leads soldered to PC board.
Refer to "Differential Input" discussion.
Backplane drive is in phase with segment drive for "OFF" segment and 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: A 48kHz oscillator increases current by 20 μ A (typical). Common current not included.
DS21461C-page 6
? 2005 Microchip Technology Inc.
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