VFC110
www.ti.com
SBVS021A − OCTOBER 1988 − REVISED APRIL 2007
ELECTRICAL CHARACTERISTICS
At T
A
= +25°C and V
S
=
±15V,
unless otherwise noted.
VFC110AP
PARAMETER
VOLTAGE-TO-FREQUENCY OPERATION
Nonlinearity
(1)
: f
FS
= 100kHz
f
FS
= 1MHz
f
FS
= 2MHz
f
FS
= 4MHz
Gain Error, f = 1MHz
Gain Drift, f = 1MHz
Relative to V
REF
PSRR
INPUT
Full-Scale Input Current
I
B−
(Inverting Input)
I
B+
(Noninverting Input)
V
OS
V
OS
Drift
INTEGRATOR AMPLIFIER OUTPUT
Output Voltage Range
Output Current Drive
Capacitive Load
COMPARATOR INPUT
I
B
(Input Bias Current)
Trigger Voltage
Input Voltage Range
OPEN COLLECTOR OUTPUT
V
O
Low
I
LEAKAGE
Fall Time
Delay to Rise
Settling Time
REFERENCE VOLTAGE
Voltage
Voltage Drift
Load Regulation
PSRR
Current Limit
ENABLE INPUT
V
HIGH
(f
OUT
Enabled)
V
LOW
(f
OUT
Disabled)
I
HIGH
I
LOW
POWER SUPPLY
Voltage,
±V
S
Current
TEMPERATURE RANGE
Specified
AP
Storage
AP
CONDITIONS
C
OS
= 2.2nF, R
IN
= 44kΩ
C
OS
= 150pF, R
IN
= 40kΩ
C
OS
= 56pF, R
IN
= 34kΩ
C
OS
= (Int), R
IN
= (Int)
C
OS
= 150pF, R
IN
= 40kΩ
Specified Temp Range
Specified Temp Range
V
S
=
±8V
to
±18V
MIN
TYP
0.01
0.02
1
5
100
100
0.1
250
20
250
Specified Temp Range
R
L
= 2kΩ
No Oscillations
−0.2
5
35
+V
S
− 4
20
10
−5
±50
−5
+V
S
0.4
1
500
100
3
MAX
0.05
0.1
UNITS
%FS
%FS
%FS
%FS
%
ppm/°C
ppm/°C
%/V
µA
nA
nA
mV
µV/°C
V
mA
nF
µA
mV
V
V
µA
ns
ns
0.1
25
25
To Specified Linearity for a
Full-Scale Input Step
One Pulse of New Frequency Plus 1µs
4.97
I
O
= 0 to 10mA
V
S
=
±8V
to
±18V
Short Circuit
Specified Temp Range
Specified Temp Range
5
2
5
20
5.03
50
10
15
2
V
ppm/°C
mV
mV/V
mA
V
V
µA
µA
V
mA
0.4
0.1
1
±8
±15
13
±18
16
−25
−40
+85
+125
°C
°C
(1) Nonlinearity measured from 1V to 10V input.
3
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