Datasheet

®
OPA121
3
ELECTRICAL (FULL TEMPERATURE RANGE SPECIFICATIONS)
At V
CC
= ±15VDC and T
A
= T
MIN
to T
MAX
unless otherwise noted.
OPA121KM OPA121KP, KU
PARAMETER CONDITIONS MIN TYP MAX MIN TYP MAX UNITS
TEMPERATURE RANGE
Specification Range Ambient Temperature 0 +70 0 +70 °C
INPUT
OFFSET VOLTAGE
(1)
Input Offset Voltage V
CM
= 0VDC ±1 ±3 ±1 ±5mV
Average Drift ±3 ±10 ±3 ±10 µV/°C
Supply Rejection 82 94 82 94 dB
±20 ±80 ±20 ±80 µV/V
BIAS CURRENT
(1)
Input Bias Current V
CM
= 0VDC ±23 ±115 ±23 ±250 pA
Device Operating
OFFSET CURRENT
(1)
Input Offset Current V
CM
= 0VDC ±16 ±100 ±16 ±200 pA
Device Operating
VOLTAGE RANGE
Common-Mode Input Range ±10 ±11 ±10 ±11 V
Common-Mode Rejection V
IN
= ±10VDC 82 98 80 96 dB
OPEN-LOOP GAIN, DC
Open-Loop Voltage Gain R
L
≥ 2kΩ 106 116 100 110 dB
RATED OUTPUT
Voltage Output R
L
= 2kΩ±10.5 ±11 ±10.5 ±11 V
Current Output V
O
= ±10VDC ±5.25 ±10 ±5.25 ±10 mA
Short Circuit Current V
O
= 0VDC 10 40 10 40 mA
POWER SUPPLY
Current, Quiescent I
O
= 0mADC 2.5 4.5 2.5 5 mA
NOTE: (1) Offset voltage, offset current, and bias current are measured with the units fully warmed up.
PACKAGE INFORMATION
PACKAGE DRAWING
MODEL PACKAGE NUMBER
(1)
OPA121KM TO-99 001
OPA121KP 8-Pin Plastic DIP 006
OPA121KU 8-Pin SOIC 182
NOTE: (1) For detailed drawing and dimension table, please see end of data
sheet, or Appendix D of Burr-Brown IC Data Book.
CONNECTION DIAGRAMS
Top View M-Package TO-99 (Hermetic)
Top View P-Package Plastic Mini-DIP
U-Package Plastic SOIC
8
1
2
7
6
5
3
4
Offset
Trim
Offset
Trim
Output
+V
CC
Substrate and Case
–In
+In
OPA121
–V
CC

OPA121
1
2
3
4
5
6
7
8
Offset Trim
+V
CC
–In
+In
–V
CC
Output
Offset Trim
Substrate
TEMPERATURE
MODEL PACKAGE RANGE
OPA121KM TO-99 0°C to +70°C
OPA121KP 8-Pin Plastic DIP 0°C to +70°C
OPA121KU 8-Pin SOIC 0°C to +70°C
ORDERING INFORMATION
ABSOLUTE MAXIMUM RATINGS
Supply ........................................................................................... ±18VDC
Internal Power Dissipation
(1)
......................................................... 500mW
Differential Input Voltage ............................................................... ±36VDC
Input Voltage Range ..................................................................... ±18VDC
Storage Temperature Range
M package .................................................................... –65°C to +150°C
P, U packages............................................................... –55°C to +125°C
Operating Temperature Range
M package ...................................................................... –40°C to +85°C
P, U packages................................................................. –25°C to +85°C
Lead Temperature
M, P packages (soldering, 10s) ................................................... +300°C
U package (soldering, 3s) ........................................................... +260°C
Output Short-Circuit Duration
(2)
............................................... Continuous
Junction Temperature .................................................................... +175°C
NOTES: (1) Packages must be derated based on
θ
JA
= 150°C/W
(P package);
θ
JA
= 200°C/W (M package); θ
JA
= 100°C/W (U package).
(2) Short circuit may be to power supply common only. Rating applies to
+25°C ambient. Observe dissipation limit and T
J
.