Datasheet
2
®
INA137, INA2137
SPECIFICATIONS: V
S
= ±18V
At T
A
= +25°C, V
S
= ±18V, R
L
= 2kΩ, G = 1/2, and Ref Pin connected to Ground, unless otherwise noted.
The information provided herein is believed to be reliable; however, BURR-BROWN assumes no responsibility for inaccuracies or omissions. BURR-BROWN assumes
no responsibility for the use of this information, and all use of such information shall be entirely at the user’s own risk. Prices and specifications are subject to change
without notice. No patent rights or licenses to any of the circuits described herein are implied or granted to any third party. BURR-BROWN does not authorize or warrant
any BURR-BROWN product for use in life support devices and/or systems.
INA137PA, UA
INA2137PA, UA
PARAMETER CONDITIONS MIN TYP MAX UNITS
AUDIO PERFORMANCE
Total Harmonic Distortion + Noise, f = 1kHz V
IN
= 10Vrms 0.0005 %
Noise Floor, RTO
(1)
20kHz BW –106 dBu
Headroom, RTO
(1)
THD+N < 1% +23 dBu
FREQUENCY RESPONSE
Small-Signal Bandwidth 4.0 MHz
Slew Rate 14 V/µs
Settling Time: 0.1% 10V Step, C
L
= 100pF 2 µs
0.01% 10V Step, C
L
= 100pF 3 µs
Overload Recovery Time 50% Overdrive 3 µs
Channel Separation (dual), f = 1kHz 123 dB
OUTPUT NOISE VOLTAGE
(2)
f = 20Hz to 20kHz 3.5 µVrms
f = 1kHz 26 nV/√HZ
OFFSET VOLTAGE
(3)
RTO
Input Offset Voltage V
CM
= 0V ±100 ±1000 µV
vs Temperature Specified Temperature Range ±2 µV/°C
vs Power Supply V
S
= ±4V to ±18V ±5 ±60 µV/V
INPUT
Common-Mode Voltage Range: Positive
V
O
= 0V 3(V+)–7.5 3(V+)–6 V
Negative
V
O
= 0V 3(V–)+7.5 3(V–)+3 V
Differential Voltage Range See Typical Curve
Common-Mode Rejection V
CM
= ±46.5V, R
S
= 0Ω 74 90 dB
Impedance
(4)
Differential 24 kΩ
Common-Mode 18 kΩ
GAIN
Initial 0.5 V/V
Error V
O
= –10V to 10V ±0.01 ±0.1 %
vs Temperature ±1 ±10 ppm/°C
Nonlinearity V
O
= –10V to 10V 0.0001 %
OUTPUT
Voltage Output, Positive (V+)–2 (V+)–1.8 V
Negative (V–)+2 (V–)+1.6 V
Current Limit, Continuous to Common ±60 mA
Capacitive Load (Stable Operation) 500 pF
POWER SUPPLY
Rated Voltage ±18 V
Voltage Range ±4 ±18 V
Quiescent Current (per Amplifier) I
O
= 0 ±2.4 ±2.9 mA
TEMPERATURE RANGE
Specification Range –40 85 °C
Operation Range –55 125 °C
Storage Range –55 125 °C
Thermal Resistance,
θ
JA
8-Pin DIP 100 °C/W
SO-8 Surface-Mount 150 °C/W
14-Pin DIP 80 °C/W
SO-14 Surface-Mount 100 °C/W
RTO = Referred to Output.
NOTES: (1) dBu = 20log (Vrms/0.7746). (2) Includes effects of amplifier’s input current noise and thermal noise contribution of resistor network.
(3) Includes effects of amplifier’s input bias and offset currents. (4) Internal resistors are ratio matched but have ±25% absolute value.