OPA2211-EP Datasheet, PDF (5/32 Pages) Texas Instruments – OPA2211-EP 1.1-nV/√Hz Noise, Low-Power, Precision Operational Amplifier

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OPA2211-EP
SBOS761 – NOVEMBER 2015
6.5 Electrical Characteristics: V_S = ±2.25 to ±18 V
at T_J = 25°C, R_L = 10 kΩ connected to midsupply, V_CM = V_OUT = midsupply, unless otherwise noted.
PARAMETER
TEST CONDITIONS
MIN
TYP
OFFSET VOLTAGE
Input offset voltage
Over temperature
Drift
vs power supply
Over temperature
V_OS
dV_OS/dT
PSRR
V_S = ±15 V
T_J = –55°C to 125°C
T_J = –55°C to 125°C
V_S = ±2.25 V to ±18 V
±50
0.35
0.1
INPUT BIAS CURRENT
Input bias current
I_B
V_CM = 0 V, T_J = –55°C to 125°C
±50
Offset current
I_OS
V_CM = 0 V, T_J = –55°C to 125°C
±20
NOISE
Input voltage noise
e_n
ƒ = 0.1 Hz to 10 Hz
80
ƒ = 10 Hz
2
Input voltage noise density
ƒ = 100 Hz
1.4
ƒ = 1 kHz
1.1
ƒ = 10 Hz
3.2
Input current noise density
I_n
ƒ = 1 kHz
1.7
INPUT VOLTAGE RANGE
Common-mode voltage range
V_CM
V_S ≥ ±5 V
V_S < ±5 V
(V–) + 1.8
(V–) + 2
Common-mode rejection ratio
CMRR
V_S ≥ ±5V, (V–) + 2V ≤ V_CM ≤ (V+) – 2V,
T_J = –55°C to 125°C
V_S < ±5V, (V–) + 2V ≤ V_CM ≤ (V+) – 2V,
T_J = –55°C to 125°C
114
120
106
120
INPUT IMPEDANCE
Differential
Common-mode
20k || 8
10⁹ || 2
OPEN-LOOP GAIN
Open-loop voltage gain
Over temperature
FREQUENCY RESPONSE
(V–) + 0.2 V ≤ V_O ≤ (V+) – 0.2V,
A_OL
R_L = 10 kΩ, T_J = –55°C to 125°C
(V–) + 0.6 V ≤ V_O ≤ (V+) – 0.6 V,
R_L = 600 Ω
A_OL
(V–) + 0.6 V ≤ V_O ≤ (V+) – 0.6V,
I_O ≤ 15 mA, T_J = –55°C to 125°C
114
130
110
114
100
G = 100
80
Gain-bandwidth product
GBW
G=1
45
Slew rate
SR
27
Settling time, 0.01%
t_S
V_S = ±15 V, G = –1, 10-V step, C_L = 100
pF
400
0.0015% (16-bit)
V_S = ±15 V, G = –1, 10-V step, C_L = 100
pF
700
Overload recovery time
G = –10
500
G = +1, ƒ = 1kHz,
Total harmonic distortion + noise THD+N ^VO ^{= 3V}RMS^{, R}L ^{= 600 Ω}
0.000015
%
–136
MAX
±175
±350
1
3
±350
±200
(V+) – 1.4
(V+) – 1.4
UNIT
μV
µV
μV/°C
μV/V
μV/V
nA
nA
nV_PP
nV/√Hz
nV/√Hz
nV/√Hz
pA/√Hz
pA/√Hz
V
V
dB
dB
Ω || pF
Ω || pF
dB
dB
dB
MHz
MHz
V/μs
ns
ns
ns
dB
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