OPA4277-SP Datasheet, PDF (5/21 Pages) Texas Instruments – High-Precision Operational Amplifier

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6.4 Electrical Characteristics
At T_J = 25°C, V_S = ±5 V to ±15 V, and R_L = 2 kΩ (unless otherwise noted)
PARAMETER
TEST CONDITIONS
OFFSET VOLTAGE
V_OS
dV_OS/d_T
Input offset voltage
Input offset voltage temperature drift
T_J = 25°C, pre- and post-irradiated
T_J = –55°C to 125°C, pre-irradiated
T_J = –55°C to 125°C, pre-irradiated
vs time
PSRR
Input offset voltage
Channel separation
vs power supply,
V_S = ±2 V to ±18 V,
T_J = 25°C, pre- and post-irradiated
V_S = ±2 V to ±18 V,
T_J = –55°C to 125°C
dc
INPUT BIAS CURRENT
I_B
I_OS
NOISE
Input bias current
Input offset current
T_J = –55°C to 125°C
T_J = 25°C, pre- and post-irradiated
T_J = –55°C to 125°C
T_J = 25°C, pre- and post-irradiated
Input voltage noise
ƒ = 0.1 to 10 Hz
ƒ = 10 Hz
Input voltage noise density
ƒ = 100 Hz
ƒ = 1 kHz
ƒ = 10 kHz
i_n
Input noise current density
INPUT VOLTAGE
ƒ = 1 kHz
V_CM
Common-mode voltage range
CMRR
Common-mode rejection ratio
INPUT IMPEDANCE
T_J = 25°C, pre- and post-irradiated
(V–) + 2 V < V_CM < (V+) – 2 V,
T_J = 25°C, post-irradiated
(V–) + 2 V < V_CM < (V+) – 2 V,
T_J = –55°C to 125°C
Differential
Common mode
OPEN-LOOP GAIN
(V–) + 2 V < V_CM < (V+) – 2 V
A_OL
Open-loop voltage gain
V_O = (V_O–) + 0.5 V to (V_O+) – 1.2 V,
R_L = 10 kΩ
V_O = (V_O–) + 1.5 V to (V_O+) – 1.5 V,
R_L = 2 kΩ, T_J = –55°C to 125°C
V_O = (V_O–) + 1.5 V to (V_O+) – 1.5 V,
R_L = 2 kΩ, T_J = 25°C,
pre- and post-irradiated
V_O = (V_O–) + 3.4 V to (V_O+) – 3.4 V,
R_L = 600 Ω, V_S = ±7 V,
T_J = –55°C to 125°C
V_O = (V_O–) + 3.4 V to (V_O+) – 3.4 V,
R_L = 600 Ω, V_S = ±7 V, T_J = 25°C,
pre- and post-irradiated
MIN
(V–) + 2
114
114
118
118
118
118
OPA4277-SP
SBOS771 – DECEMBER 2016
TYP
MAX UNIT
±20
±0.15
0.2
±0.3
±65
±140
µV
µV/°C
µV/mo
±1 µV/V
±1 µV/V
0.1
µV/V
±17.5
nA
±17.5
±17.5
nA
±17.5
0.22
12
8
8
8
0.2
µV_pp
nV/√Hz
fA/√Hz
(V+) – 2
V
140
dB
100 || 3
250 || 3
140
134
134
134
134
MΩ || pF
GΩ || pF
dB
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