参数资料
| 型号： | TC835CBU |
| 厂商： | Microchip Technology |
| 文件页数： | 3/26页 |
| 文件大小： | 0K |
| 描述： | IC ADC 4 1/2DGT BCD 64-MQFP |
| 标准包装： | 84 |
| 显示器类型： | LED |
| 配置： | 7 段显示 |
| 接口： | BCD |
| 数字或字符： | A/D，4.5 位数字 |
| 电流 - 电源： | 1mA |
| 电源电压： | 4 V ~ 6 V |
| 工作温度： | 0°C ~ 70°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 64-BQFP |
| 供应商设备封装： | 64-PQFP（14x14） |
| 包装： | 管件 |
TC835
1.0
ELECTRICAL
CHARACTERISTICS
? Stresses above those listed under "Absolute Maximum Rat-
ings" may cause permanent damage to the device. These are
stress ratings only and functional operation of the device at
Absolute Maximum Ratings?
Positive Supply Voltage.....................................................+6V
Negative Supply Voltage ....................................................-9V
these or any other conditions above those indicated in the
operation sections of the specifications is not implied. Expo-
sure to Absolute Maximum Rating conditions for extended
periods may affect device reliability.
Reference Input Voltage (Pin 2) ................................ V+ to V–
Clock Input Voltage ....................................................0V to V +
Operating Temperature Range .......................... 0°C to +70°C
Storage Temperature Range.........................-65°C to +150°C
Package Power Dissipation (T A ≤ 70°C)
28-Pin Plastic DIP ..................................................... 1.14 Ω
44-Pin MQFP............................................................. 1.00 Ω
64-Pin MQFP............................................................. 1.14 Ω
DC CHARACTERISTICS
Electrical Specifications: Unless otherwise specified, T A = +25°C, F CLOCK = 200 kHz, V+ = +5V, V- = -5V.
Parameter
Sym
Min
Typ
Max
Unit
Conditions
Analog
Display Reading with Zero Volt Input
-0.0000
±0.0000 +0.0000
Display
Reading
Zero Reading Temperature Coefficient
Full-Scale Temperature Coefficient
Nonlinearity Error
Differential Linearity Error
TC Z
TC FS
NL
DNL
—
—
—
—
0.5
—
0.5
0.01
2
5
1
—
μV/°C
ppm/°C
Count
LSB
V IN = 2V;
Display Reading in Ratiometric Operation
+0.9995 +0.9998 +1.0000
Display
Reading
± Full Scale Symmetry Error (Rollover Error)
Input Leakage Current
Noise
±FSE
I IN
e N
—
—
—
0.5
1
15
1
10
—
Count
pA
μ V P-P
Peak-to-Peak Value not
Exceeded 95% of Time
Digital
Input Low Current
Input High Current
Output Low Voltage
Output High Voltage;
B 1 , B 2 , B 4 , B 8 , D 1 – D 5
Busy, Polarity, Overrange,
I IL
I IH
V OL
V OH
—
—
—
2.4
4.9
10
0.08
0.2
4.4
4.99
100
10
0.4
5
5
μ A
μ A
V
V
V
V IN = 0V
V IN = +5V
I OL = 1.6 mA
I OH = 1 mA
I OH = 10 μA
Underrange, Strobe
Clock Frequency
f CLK
0
200
1200
kHz
Note 1:
2:
3:
4:
5:
6:
7:
8:
9:
10:
Functional operation is not implied.
Limit input current to under 100 μA if input voltages exceed supply voltage.
Full scale voltage = 2V.
V IN = 0V.
0°C ≤ T A ≤ +70°C.
External reference temperature coefficient less than 0.01ppm/°C.
-2V ≤ V IN ≤ +2V. Error of reading from best fit straight line.
|V IN | = 1.9959.
Specification related to clock frequency range over which the TC835 correctly performs its various functions. Increased
errors result at higher operating frequencies.
? 2007 Microchip Technology Inc.
DS21478C-page 3
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