
3-289
TELCOM SEMICONDUCTOR, INC.
7
6
5
4
3
1
2
8
NOTES:
1. Full temperature range. Guaranteed, Not Tested.
2. I
IN
= 0.
3. Full temperature range, I
OUT
= 10mA.
4. I
OUT
= 10
μ
A.
5. Threshold Detect = 5V, Amp Out = 0V, Full Temperature
Range
ELECTRICAL CHARACTERISTICS: (Cont.)
V
DD
= +5V, V
SS
= – 5V, V
GND
= 0, V
REF
= – 5V, R
BIAS
= 100k
,
Full Scale = 10kHz, unless otherwise specified. T
A
= +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
TC9401
Typ Max Min Typ Max Min Typ Max
TC9400
TC9402
Definition
Min
Unit
Supply Current
I
DD
Quiescent
(Note 5)
I
SS
Quiescent
(Note 5)
V
DD
Supply
V
SS
Supply
Reference Voltage
V
REF
–V
SS
Accuracy
Nonlinearity (Note 10)
Current Required From Positive
Supply During Operation
Current Required From Negative
Supply During Operation
Operating Range of Positive Supply
Operating Range of Negative Supply
—
1.5
6
—
1.5
6
—
3
10
mA
—
4
– 4
– 1.5
—
—
– 6
7.5
– 7.5 – 4
—
4
– 1.5
—
—
– 6
7.5
– 7.5
– 3
—
—
– 10
7.5
– 7.5
mA
V
V
4
– 4
Range of Voltage Reference Input
– 2.5
—
—
– 2.5
—
—
– 2.5 —
—
V
Deviation From Ideal Transfer
Function as a Percentage
Full-Scale Voltage
Frequency Range for Specified
Nonlinearity
—
0.01
0.02
—
0.02 0.05
— 0.05
0.25
% Full
Scale
Input Frequency
Range (Note 7 and 8)
Frequency Input
Positive Excursion
10
—
100k
10
—
100k
10
—
100k
Hz
Voltage Required to Turn
Threshold Detector On
Voltage Required to Turn
Threshold Detector Off
Time Between Threshold
Crossings
Time Between Threshold
Crossings
0.4
—
V
DD
0.4
—
V
DD
0.4
—
V
DD
V
Negative Excursion
– 0.4
– 2 – 0.4
—
– 2
– 0.4 —
– 2
V
Minimum Positive
Pulse Width (Note 8)
Minimum Negative
Pulse Width (Note 8)
Input Impedance
Analog Outputs
Output Voltage
(Note 9)
Output Loading
—
5
—
—
5
—
—
5
—
μ
sec
—
0.5
—
—
0.5
—
—
0.5
μ
sec
—
10
—
—
10
—
—
10
—
M
Voltage Range of Op Amp Output
for Specified Nonlinearity
Resistive Loading at Output of
Op Amp
—
V
DD
– 1
—
—
V
DD
– 1
—
—
V
DD
– 1
—
V
2
—
—
2
—
—
2
—
—
k
Supply Current
I
DD
Quiescent
(Note 10)
I
SS
Quiescent
(Note 10)
V
DD
Supply
V
SS
Supply
Reference Voltage
V
REF
–V
SS
Current Required From Positive
Supply During Operation
Current Required From Negative
Supply During Operation
Operating Range of Positive Supply
Operating Range of Negative Supply
—
1.5
6
—
1.5
6
—
3
10
mA
—
4
– 4
– 1.5
—
—
– 6
7.5
– 7.5 – 4
– 1.5 – 6
—
—
– 3
—
—
– 10
7.5
– 7.5
mA
V
V
4
7.5
– 7.5
4
– 4
Range of Voltage Reference Input
– 2.5
—
—
– 2.5
—
—
– 2.5 —
—
V
6. 10Hz to 100kHz.; Guaranteed, Not Tested
7. 5
μ
sec minimum positive pulse width and 0.5
μ
sec minimum
negative pulse width.
8. t
R
= t
F
= 20 nsec.
9. R
L
≥
2k
.; Tested @ 10k
10. Full temperature range, V
IN
= – 0.1V.
VOLTAGE-TO-FREQUENCY/
FREQUENCY-TO-VOLTAGE CONVERTERS
TC9400
TC9401
TC9402