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PDF NTE890 Data sheet ( Hoja de datos )
| Número de pieza | NTE890 | |
| Descripción | Integrated Circuit Voltage to Frequency Converter | |
| Fabricantes | NTE Electronics | |
| Logotipo |  |
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NTE890
Integrated Circuit
Voltage to Frequency Converter
Description:
The NTE890 is an integrated circuit in an 8–Lead DIP type package and provides a simple method
of A/D conversion. It has all the inherent advantages of the voltage–to–frequency conversion tech-
nique. The output is a series of constant duration pulses. The frequency of the pulses is proportional
to the applied input voltage. This converter is designed for use in a wide range of data conversion
and remote sensing applications.
Absolute Maximum Ratings: (TA = +25°C unless otherwise specified)
Supply Voltage, V+ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8V to 22V
Output Sink Current, ISINK . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20mA
Power Dissipation, PD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 500mW
Input Voltage, Vi . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –0.2V to V+(V)
Operating Temperature Range, Topr . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –20° to +75°C
Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –40° to +125°C
Electrical Characteristics: (V+ = +15V, TA = +25°C unless otherwise specified)
Parameter
Test Conditions
Min Typ Max
Supply Current
8V < V+ < 15V
2.0 3.5 6.0
15V < V+ < 22V
2.0 4.5 7.5
Conversion Accuracy Scale Factor
Drift with Temperature
Drift with V+
Input Comparator Offset Voltage
VIN = 10V, RS = 14kΩ
VIN = 10V
VIN = 1V, 8V < V+ < 18V
0.9 1.0 1.1
– ±100 –
– 0.2 1.0
– 5 10
Offset Current
– ±50 ±100
Input Bias Current
–
–100
–300
Common Mode Range
Note 1
0 to V+ –3 0 to V+ –2
–
One–Shot Threshold Voltage
Pin5
0.63 0.66 0.70
Input Bias Current
Pin5
–
–100
–500
Reset VSAT
Pin5, I = 2.2mA
– 0.15 0.50
Note 1 Input Common Mode Range includes GND.
Unit
mA
mA
kHz/V
ppM/°C
%/V
mV
nA
nA
V
x V+
nA
V
1 page | ||
| Páginas | Total 2 Páginas | |
| PDF Descargar | [ Datasheet NTE890.PDF ] | |
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