INA333_3 Datasheet, PDF (3/25 Pages) Texas Instruments – Micro-Power (50mA), Zerø-Drift, Rail-to-Rail Out Instrumentation Amplifier

INA333
www.ti.com ..................................................................................................................................................... SBOS445B – JULY 2008 – REVISED OCTOBER 2008
ELECTRICAL CHARACTERISTICS: V_S = +1.8V to +5.5V
Boldface limits apply over the specified temperature range, T_A = –40°C to +125°C.
At T_A = +25°C, R_L = 10kΩ, V_REF = V_S/2, and G = 1, unless otherwise noted.
INA333
PARAMETER
INPUT ⁽¹⁾
Offset voltage, RTI⁽²⁾
vs Temperature
V_OSI
TEST CONDITIONS
MIN
TYP
MAX
±10 ±25/G ±25 ±75/G
±0.1 ±0.5/G
vs Power supply
Long-term stability
PSR
1.8V ≤ V_S ≤ 5.5V
±1 ±5/G
See note ⁽³⁾
±5 ±15/G
Turn-on time to specified V_OSI
Impedance
See Typical characteristics
Differential
Common-mode
Common-mode voltage range
Common-mode rejection
Z_IN
Z_IN
V_CM
CMR
V_O = 0V
DC to 60Hz
(V–) + 0.1
100 || 3
100 || 3
(V+) – 0.1
G=1
G = 10
G = 100
G = 1000
INPUT BIAS CURRENT
V_CM = (V–) + 0.1V to (V+) – 0.1V
V_CM = (V–) + 0.1V to (V+) – 0.1V
V_CM = (V–) + 0.1V to (V+) – 0.1V
V_CM = (V–) + 0.1V to (V+) – 0.1V
80
90
100
110
100
115
100
115
Input bias current
I_B
vs Temperature
±70
±200
See Typical Characteristic curve
Input offset current
I_OS
vs Temperature
±50
±200
See Typical Characteristic curve
INPUT VOLTAGE NOISE
Input voltage noise
e_NI
G = 100, R_S = 0Ω
f = 10Hz
50
f = 100Hz
50
f = 1kHz
50
f = 0.1Hz to 10Hz
1
Input current noise
i_N
f = 10Hz
100
f = 0.1Hz to 10Hz
2
GAIN
Gain equation
G
Range of gain
1 + (100kΩ/R_G)
1
1000
Gain error
G=1
V_S = 5.5V, (V–) + 100mV ≤ V_O ≤ (V+) – 100mV
±0.01
±0.1
G = 10
±0.05
±0.25
G = 100
±0.07
±0.25
G = 1000
±0.25
±0.5
(1) Total V_OS, Referred-to-input = (V_OSI) + (V_OSO/G).
(2) RTI = Referred-to-input.
(3) 300-hour life test at +150°C demonstrated randomly distributed variation of approximately 1µV.
UNIT
µV
µV/°C
µV/V
GΩ || pF
GΩ || pF
V
dB
dB
dB
dB
pA
pA/°C
pA
pA/°C
nV/√Hz
nV/√Hz
nV/√Hz
µV_PP
fA/√Hz
pA_PP
V/V
V/V
%
%
%
%
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