Datasheet

© 2007 Microchip Technology Inc. DS21483D-page 5
TC9400/9401/9402
Frequency Input
Positive Excursion 0.4 V
DD
0.4 V
DD
0.4 V
DD
V Voltage Required to
Turn Threshold
Detector On
Negative Excursion -0.4 -2 -0.4 -2 -0.4 -2 V Voltage Required to
Turn Threshold
Detector Off
Minimum Positive
Pulse Width
(Note 8)
—5—5—5 μs Time between
Threshold Crossings
Minimum Negative
Pulse Width
(Note 8)
0.5 0.5 0.5 μs Time Between
Threshold Crossings
Input Impedance 10 10 10 MΩ
Analog Outputs TC9400 TC9401 TC9402
Output Voltage
(Note 9)
—V
DD
– 1 V
DD
– 1 V
DD
– 1 V Voltage Range of Op
Amp Output for
Specified Non-Linearity
Output Loading 2 2 2 kΩ Resistive Loading at
Output of Op Amp
Supply Current TC9400 TC9401 TC9402
I
DD
Quiescent
(Note 10)
1.5 6 1.5 6 3 10 mA Current Required from
Positive Supply During
Operation
I
SS
Quiescent
(Note 10)
-1.5 -6 -1.5 -6 -3 -10 mA Current Required from
Negative Supply During
Operation
V
DD
Supply 4 7.5 4 7.5 4 7.5 V Operating Range of
Positive Supply
V
SS
Supply -4 -7.5 -4 -7.5 -4 -7.5 V Operating Range of
Negative Supply
Reference Voltage
V
REF
– V
SS
-2.5 -2.5 -2.5 V Range of Voltage
Reference Input
TC940X ELECTRICAL SPECIFICATIONS (CONTINUED)
Electrical Characteristics: unless otherwise specified, V
DD
= +5V, V
SS
= -5V, V
GND
= 0V, V
REF
= -5V, R
BIAS
= 100 kΩ, Full Scale =
10 kHz. 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).
Parameter Min Typ Max Min Typ Max Min Typ Max Units Test Conditions
Note 1: Full temperature range; not tested.
2: I
IN
= 0.
3: Full temperature range, I
OUT
= 10 mA.
4: I
OUT
= 10 µA.
5: Threshold Detect = 5V, Amp Out = 0V, full temperature range.
6: 10 Hz to 100 kHz; not tested.
7: 5 µs minimum positive pulse width and 0.5 µs minimum negative pulse width.
8: t
R
= t
F
= 20 ns.
9: R
L
2kΩ, tested @ 10 kΩ.
10: Full temperature range, V
IN
= -0.1V.