4
LT1194
The ● denotes specifications which apply over the full operating
temperature range of 0°C ≤ T
A
≤ 70°C. V
S
= ±5V, V
REF
= 0V, Null Pins 1 and 8 open circuit, unless otherwise noted.
LT1194C
SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
V
OS
Input Offset Voltage All Packages ● 17 mV
∆V
OS
/∆T Input V
OS
Drift ● 6 µV/°C
I
OS
Input Offset Current ● 0.2 3.5 µA
I
B
Input Bias Current ● ±0.5 ±4 µA
Input Voltage Range ● –2.5 3.5 V
CMRR Common Mode Rejection Ratio V
CM
= – 2.5V to 3.5V ● 60 80 dB
PSRR Power Supply Rejection Ratio V
S
= ±2.375V to ±5V ● 60 80 dB
V
LIM
Output Voltage Limit V
I
= ±0.5V, V
C
= 2V (Note 4) ● ±20 ±130 mV
V
OUT
Output Voltage Swing V
S
= ±8V, R
L
= 1k ● 6.2 6.9 V
V
REF
= 4V
R
L
= 100Ω ● 6.1 6.7 V
V
S
= ±8V, R
L
= 1k ● –6.4 –7.2 V
V
REF
= –4V
R
L
= 100Ω ● –6.2 –6.6 V
G
E
Gain Error V
O
= ±3V, R
L
= 1k ● 14 %
I
S
Supply Current ● 35 43 mA
Note 1: Absolute Maximum Ratings are those values beyond which the
life of a device may be impaired.
Note 2: A heat sink is required to keep the junction temperature below
absolute maximum when the output is shorted.
Note 3: There are two limitations on signal swing. Output swing is limited
by clipping or saturation in the output stage. Input swing is controlled by
an adjustable input limiting function. On V
S
= ±5V, the overload
characteristic is output limiting, but on ±8V the overload characteristic is
input limiting. V
OMAX
is measured with the null pins open circuit.
Note 4: Output amplitude is reduced by the input limiting function. The
input limiting function occurs when the null pins, 1 and 8, are tied together
and raised to a potential 0.3V or more above the negative supply.
Note 5: Slew rate is measured between ±1V on the output, with a ±0.3V
input step.
Note 6: Full-power bandwidth is calculated from the slew rate
measurement:
FPBW = SR/2πV
P
.
Note 7: Settling time measurement techniques are shown in “Take the
Guesswork Out of Settling Time Measurements,” EDN, September 19,
1985.
Note 8: NTSC (3.58MHz).
Note 9: AC parameters are 100% tested on the ceramic and plastic DIP
packaged parts (J and N suffix) and are sample tested on every lot of the
SO packaged part (S suffix).
ELECTRICAL CHARACTERISTICS
LT1194 • TA03
+
–
5V
7
6
LT1194
3
2
–5V
4
1
8
INPUT OFFSET VOLTAGE CAN BE ADJUSTED OVER A 250mV
RANGE WITH A 1kΩ TO 10kΩ POTENTIOMETER
±
+
–
5V
7
6
LT1194
3
2
–5V
4
1
8
V
C
(NOTE 4)
Optional Offset Nulling Circuit Input Limiting Connection Input Limiting with Offset Nulling
+
–
5V
7
6
LT1194
3
2
8
–5V
4
1
V
C
(NOTE 4)
