TC9400COD Ver la hoja de datos (PDF) - TelCom Semiconductor Inc => Microchip
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TC9400COD Datasheet PDF : 13 Pages
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VOLTAGE-TO-FREQUENCY/
FREQUENCY-TO-VOLTAGE CONVERTERS
1
TC9400
TC9401
TC9402
ELECTRICAL CHARACTERISTICS: (Cont.) VDD = +5V, VSS = – 5V, VGND = 0, VREF = – 5V, RBIAS = 100kΩ,
2 Full Scale = 10kHz, unless otherwise specified. TA = +25°C, unless temperature range is specified – 40°C to +85°C for
E device, 0°C to +70°C for C device.
FREQUENCY-TO-VOLTAGE
Parameter
Definition
TC9401
TC9400
TC9402
Min Typ Max Min Typ Max Min Typ Max Unit
Supply Current
IDD Quiescent
(Note 5)
ISS Quiescent
(Note 5)
Current Required From Positive
Supply During Operation
Current Required From Negative
Supply During Operation
— 1.5 6 — 1.5 6 — 3 10
mA
— – 1.5 – 6 — – 1.5 – 6
– 3 – 10 mA
VDD Supply
VSS Supply
Operating Range of Positive Supply 4 — 7.5 4 — 7.5 4 — 7.5
V
Operating Range of Negative Supply – 4 — – 7.5 – 4 — – 7.5 – 4 — – 7.5 V
Reference Voltage
VREF –VSS
Accuracy
Nonlinearity (Note 10)
Input Frequency
Range (Note 7 and 8)
Range of Voltage Reference Input
Deviation From Ideal Transfer
Function as a Percentage
Full-Scale Voltage
Frequency Range for Specified
Nonlinearity
– 2.5 — — – 2.5 — — – 2.5 — —
V
— 0.01 0.02 — 0.02 0.05 — 0.05 0.25 % Full
Scale
10 — 100k 10 — 100k 10 — 100k Hz
Frequency Input
Positive Excursion
Negative Excursion
Minimum Positive
Pulse Width (Note 8)
Minimum Negative
Pulse Width (Note 8)
Voltage Required to Turn
Threshold Detector On
Voltage Required to Turn
Threshold Detector Off
Time Between Threshold
Crossings
Time Between Threshold
Crossings
0.4 — VDD 0.4 — VDD 0.4 — VDD
V
– 0.4
– 2 – 0.4 — – 2 – 0.4 — – 2
V
—
5 — — 5 — —5 —
µsec
— 0.5 — — 0.5 — — 0.5
µsec
Input Impedance
— 10 — — 10 — — 10 —
MΩ
Analog Outputs
Output Voltage
(Note 9)
Output Loading
Voltage Range of Op Amp Output
for Specified Nonlinearity
Resistive Loading at Output of
Op Amp
— VDD – 1 — — VDD – 1 — — VDD – 1 —
V
2 — — 2 — — 2— —
kΩ
Supply Current
IDD Quiescent
(Note 10)
Current Required From Positive
Supply During Operation
— 1.5 6 — 1.5 6 — 3 10
mA
ISS Quiescent
(Note 10)
Current Required From Negative
Supply During Operation
— – 1.5 – 6
– 1.5 – 6
– 3 – 10 mA
VDD Supply
Operating Range of Positive Supply 4 — 7.5 4 — 7.5 4 — 7.5
V
VSS Supply
Operating Range of Negative Supply – 4 — – 7.5 – 4 — – 7.5 – 4 — – 7.5 V
Reference Voltage
VREF –VSS
Range of Voltage Reference Input – 2.5 — — – 2.5 — — – 2.5 — —
V
NOTES:
1. Full temperature range. Guaranteed, Not Tested.
2. IIN = 0.
3. Full temperature range, IOUT = 10mA.
4. IOUT = 10µA.
5. Threshold Detect = 5V, Amp Out = 0V, Full Temperature
Range
TELCOM SEMICONDUCTOR, INC.
6. 10Hz to 100kHz.; Guaranteed, Not Tested
7. 5µsec minimum positive pulse width and 0.5 µsec minimum
negative pulse width.
8. tR = tF = 20 nsec.
9. RL ≥ 2kΩ.; Tested @ 10kΩ
10. Full temperature range, VIN = – 0.1V.
3-289
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