Datasheet

®
INA103
2
SPECIFICATIONS
All specifications at T
A
= +25°C, V
S
= ±15V and R
L
= 2kΩ, unless otherwise noted.
INA103KP, KU
PARAMETER CONDITIONS MIN TYP MAX UNITS
GAIN
Range of Gain 1 1000 V/V
Gain Equation
(1)
G = 1 + 6kΩ/R
G
V/V
Gain Error, DC G = 1 ±10V Output 0.005 0.05 %
G = 100 0.07 0.25 %
Equation 0.05 %
Gain Temp. Co. G = 1 ±10V Output 10 ppm/°C
G = 100 25 ppm/°C
Equation 25 ppm/°C
Nonlinearity, DC G = 1 ±10V Output 0.0003 0.01 % of FS
(2)
G = 100 0.0006 0.01 % of FS
OUTPUT
Voltage, R
L
= 600Ω T
A
= T
MIN
to T
MAX
±11.5 ±12 V
R
L
= 600Ω V
S
= ±25, T
A
= 25°C ±20 ±21 V
Current T
A
= T
MIN
to T
MAX
±40 mA
Short Circuit Current ±70 mA
Capacitive Load Stability 10 nF
INPUT OFFSET VOLTAGE
Initial Offset RTI
(3)
(30 + 1200/G) µV
(KU Grade) (250+ 5000/G) µV
vs Temp G = 1 to 1000 T
A
= T
MIN
to T
MAX
1 + 20/G µV/°C
G = 1000 T
A
= T
MIN
to T
MAX
µV/°C
vs Supply ±9V to ±25V 0.2 + 8/G 4 + 60/G µV/V
INPUT BIAS CURRENT
Initial Bias Current 2.5 12 µA
vs Temp T
A
= T
MIN
to T
MAX
15 nA/°C
Initial Offset Current 0.04 1 µA
vs Temp T
A
= T
MIN
to T
MAX
0.5 nA/°C
INPUT IMPEDANCE
Differential Mode 60 || 2 MΩ || pF
Common-Mode 60 || 5 MΩ || pF
INPUT VOLTAGE RANGE
Common-Mode Range
(4)
±11 ±12 V
CMR
G = 1 DC to 60Hz 72 86 dB
G = 100 DC to 60Hz 100 125 dB
INPUT NOISE
Voltage
(5)
R
S
= 0Ω
10Hz 2 nV/√Hz
100Hz 1.2 nV/√Hz
1kHz 1 nV/√Hz
Current, 1kHz 2 pA/√Hz
OUTPUT NOISE
Voltage 1kHz 65 nV/√Hz
A Weighted, 20Hz-20kHz 20Hz-20kHz –100 dBu
DYNAMIC RESPONSE
–3dB Bandwidth: G = 1 Small Signal 6 MHz
G = 100 Small Signal 800 kHz
Full Power Bandwidth G = 1
V
OUT
= ±10V, R
L
= 600Ω 240 kHz
Slew Rate G = 1 to 500 15 V/µs
THD + Noise G = 100, f = 1kHz 0.0009 %
Settling Time 0.1%
G = 1 V
O
= 20V Step 1.7 µs
G = 100 1.5 µs
Settling Time 0.01%
G = 1 V
O
= 20V Step 2 µs
G = 100 3.5 µs
Overload Recovery
(6)
50% Overdrive 1 µs
NOTES: (1) Gains other than 1 and 100 can be set by adding an external resistor, R
G
between pins 2 and 15. Gain accuracy is a function of R
G
. (2) FS = Full Scale.
(3) Adjustable to zero. (4) V
O
= 0V, see Typical Curves for V
CM
vs V
O
. (5) V
NOISE RTI
= √V
2
N INPUT
+ (V
N OUTPUT
/Gain)
2
+ 4KTR
G
. See Typical Curves. (6) Time required
for output to return from saturation to linear operation following the removal of an input overdrive voltage.