Datasheet

3
®
INA146
SPECIFICATIONS: V
S
= +5V Single Supply
At T
A
= +25°C, G = 1, R
L
= 10kΩ connected to V
S
/2 and Ref pin connected to V
S
/2 unless otherwise noted.
Boldface limits apply over the specified temperature range, T
A
= –40°C to +85°C.
INA146UA
PARAMETER CONDITION MIN TYP MAX UNITS
OFFSET VOLTAGE, V
O
RTI
(1, 2)
Input Offset Voltage V
OS
V
CM
= V
O
= 0V ±3 ±10 mV
vs Temperature ∆V
OS
/∆T See Typical Curve
vs Power Supply Rejection Ratio PSRR V
S
= ±1.35V to ±18V ±100 ±600 µV/°C
vs Time ±3 µV/mo
INPUT VOLTAGE RANGE
Common-Mode Voltage Range V
CM
V
IN
+ – V
IN
– = 0V, V
O
= 0V –25 19 V
Common-Mode Rejection Ratio CMRR V
CM
= –25V to +19V, R
S
= 0Ω 70 80 dB
Over Temperature 64 74 dB
INPUT BIAS CURRENT
(2)
Bias Current I
B
±50 nA
Offset Current I
OS
±5nA
INPUT IMPEDANCE
Differential (non-inverting input) 110 kΩ
Differential (inverting input) 91.7 kΩ
Common-Mode 55 kΩ
NOISE RTI
(1, 3, 4)
Voltage Noise, f = 0.1Hz to 10Hz 10 µVp-p
Voltage Noise Density, f = 1kHz e
n
550 nV/√Hz
GAIN
G = 0.1 to 100 V/V
Gain Equation G = 0.1 • (1 + R
G2
/R
G1
)V/V
Initial
(1)
0.1 V/V
Gain Error R
L
= 100kΩ, V
O
= 0.15V to 4V, G = 1 ±0.025 ±0.1 %
vs Temperature R
L
= 100kΩ, V
O
= 0.25V to 4V, G = 1 ±1 ±10 ppm /°C
R
L
= 10kΩ, V
O
= 0.3V to 3.75V, G = 1 ±0.025 ±0.1 %
vs Temperature R
L
= 10kΩ, V
O
= 0.5V to 3.75V, G = 1 ±1 ±10 ppm /°C
Nonlinearity V
O
= +0.3 to +3.75, G = 1 ±0.001 ±0.01 % of FS
FREQUENCY RESPONSE
Small Signal Bandwidth G = 0.1 550 kHz
G = 1 50 kHz
Slew Rate 0.45 V/µs
Settling Time, 0.1% G = 1, 10V Step 40 µs
0.01% G = 1, 10V Step 80 µs
Overload Recovery 50% Input Overload 40 µs
OUTPUT, V
O
Voltage Output R
L
= 100kΩ, G = 1 0.15 4 V
Over Temperature R
L
= 100kΩ, G = 1 0.25 4 V
R
L
= 10kΩ, G = 1 0.3 3.75 V
Over Temperature R
L
= 10kΩ, G = 1 0.5 3.75 V
Short-Circuit Current Continuous to Common ±15 mA
Capacitive Load Stable Operation 1000 pF
POWER SUPPLY
Voltage Range, Dual Supplies ±2.25 ±18 V
Voltage Range, Single Supply ±4.5 ±36 V
Quiescent Current V
IN
= 0, I
O
= 0 ±570 ±700 µA
Over Temperature
±750 µA
TEMPERATURE RANGE
Specified Range –40 +85 °C
Operating Range –55 +125 °C
Storage Range –55 +125 °C
Thermal Resistance
θ
JA
150 °C/W
NOTES: (1) Overall difference amplifier configuration. Referred to input pins (V
IN
+ and V
IN
–), gain = 0.1V/V. Specified with 10kΩ in feedback of A2. (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. (4) Common-mode voltage range is 11 (V–) to 11 [(V+) – 1] with a maximum of ±100V.