Datasheet

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SBVS021A − OCTOBER 1988 − REVISED APRIL 2007
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3
ELECTRICAL CHARACTERISTICS
At T
A
= +25°C and V
S
= ±15V, unless otherwise noted.
VFC110AP
PARAMETER CONDITIONS MIN TYP MAX UNITS
VOLTAGE-TO-FREQUENCY OPERATION
Nonlinearity
(1)
: f
FS
= 100kHz C
OS
= 2.2nF, R
IN
= 44kΩ 0.01 0.05 %FS
f
FS
= 1MHz C
OS
= 150pF, R
IN
= 40kΩ 0.1 %FS
f
FS
= 2MHz C
OS
= 56pF, R
IN
= 34kΩ 0.02 %FS
f
FS
= 4MHz C
OS
= (Int), R
IN
= (Int) 1 %FS
Gain Error, f = 1MHz C
OS
= 150pF, R
IN
= 40kΩ 5 %
Gain Drift, f = 1MHz Specified Temp Range 100 ppm/°C
Relative to V
REF
Specified Temp Range 100 ppm/°C
PSRR V
S
= ±8V to ±18V 0.1 %/V
INPUT
Full-Scale Input Current 250 500 µA
I
B−
(Inverting Input) 20 100 nA
I
B+
(Noninverting Input) 250 nA
V
OS
3 mV
V
OS
Drift Specified Temp Range 35 µV/°C
INTEGRATOR AMPLIFIER OUTPUT
Output Voltage Range R
L
= 2kΩ −0.2 +V
S
− 4 V
Output Current Drive 5 20 mA
Capacitive Load No Oscillations 10 nF
COMPARATOR INPUT
I
B
(Input Bias Current) −5 µA
Trigger Voltage ±50 mV
Input Voltage Range −5 +V
S
V
OPEN COLLECTOR OUTPUT
V
O
Low 0.4 V
I
LEAKAGE
0.1 1 µA
Fall Time 25 ns
Delay to Rise 25 ns
Settling Time To Specified Linearity for a
Full-Scale Input Step
One Pulse of New Frequency Plus 1µs
REFERENCE VOLTAGE
Voltage 4.97 5 5.03 V
Voltage Drift 50 ppm/°C
Load Regulation I
O
= 0 to 10mA 2 10 mV
PSRR V
S
= ±8V to ±18V 5 mV/V
Current Limit Short Circuit 15 20 mA
ENABLE INPUT
V
HIGH
(f
OUT
Enabled) Specified Temp Range 2 V
V
LOW
(f
OUT
Disabled) Specified Temp Range 0.4 V
I
HIGH
0.1 µA
I
LOW
1 µA
POWER SUPPLY
Voltage, ±V
S
±8 ±15 ±18 V
Current 13 16 mA
TEMPERATURE RANGE
Specified
AP −25 +85 °C
Storage
AP −40 +125 °C
(1)
Nonlinearity measured from 1V to 10V input.