Datasheet

3
®
INA148
SPECIFICATIONS: V
S
= +5V Single Supply
At T
A
= +25°C, R
L
= 10kΩ connected to V
S
/2 and Ref pin connected to V
S
/2, unless otherwise noted.
INA148UA
PARAMETER CONDITIONS MIN TYP MAX UNITS
OFFSET VOLTAGE (V
O
) RTI
(1)(2)
Input Offset Voltage V
OS
V
CM
= V
S
/2 ±1 ±5mV
Drift ∆V
OS
/∆T At T
A
= –40°C to +85°C ±10 µV°C
vs Power Supply PSRR V
S
= +2.7V to +36V, V
CM
= V
S
/2 ±50 ±400 µV/V
INPUT VOLTAGE RANGE
Common-Mode Voltage Range V
CM
(V
IN
+
) – (V
IN
–
) = 0V, V
REF
= 0.25V –4 +75 V
(V
IN
+
) – (V
IN
–
) = 0V, V
REF
= V
S
/2 –47.5 +32.5 V
Common-Mode Rejection CMRR V
CM
= –47.5V to +32.5V, R
S
= 0Ω 70 86 dB
INPUT IMPEDANCE
Differential 2MΩ
Common Mode 1MΩ
NOISE RTI
(1)(3)
Voltage Noise, f = 0.1Hz to 10Hz e
n
17 µVp-p
Voltage Noise Density, f = 1kHz 880 nV/√Hz
GAIN
Initial
(1)
1 V/V
Gain Error V
O
= +0.5V to +3.5V ±0.01 ±0.075 %
vs Temperature ±3 ±10 ppm/°C
Nonlinearity V
O
= +0.5V to +3.5V ±0.001 % of FSR
FREQUENCY RESPONSE
Small Signal Bandwidth 100 kHz
Slew Rate 1V/µs
Settling Time: 0.1% V
S
= +5V, 3V Step 21 µs
0.01% V
S
= +5V, 3V Step 25 µs
Overload Recovery 50% Input Overload 13 µs
OUTPUT (V
O
)
Voltage Output R
L
= 100kΩ (V–) + 0.25 (V+) – 1 V
R
L
= 10kΩ (V–) + 0.5 (V+) – 1.5 V
Output Current I
O
Short-Circiuit Current Continuous to Common ±8mA
Capacitive Load Stable Operation 10 nF
POWER SUPPLY
Operating Range, Single Supply +2.7 +36 V
Quiescent Current V
IN
= 0, I
O
= 0 260 300 µA
TEMPERATURE RANGE
Specified –40 85 °C
Operating –55 125 °C
Storage –55 125 °C
Thermal Resistance
θ
JA
SO-8 Surface Mount 150 °C/W
NOTES: (1) Overall difference amplifier configuration. Referred to input pins (V
IN
+
and V
IN
–
), gain = 1V/V (2) Input offset voltage specification includes effects of
amplifier's input bias and offset currents. (3) Includes effects of input current noise and thermal noise contribution of resistor network.