OPA211AIDRGR Datasheet, PDF (4/37 Pages) Texas Instruments – 1.1nV/√Hz Noise, Low Power, Precision Operational Amplifier in Small DFN-8 Package

OPA211
OPA2211
SBOS377G – OCTOBER 2006 – REVISED MAY 2009...................................................................................................................................................... www.ti.com
ELECTRICAL CHARACTERISTICS: V_S = ±2.25V to ±18V
BOLDFACE limits apply over the specified temperature range, T_A = –40°C to +125°C.
At T_A = +25°C, R_L = 10kΩ connected to midsupply, V_CM = V_OUT = midsupply, unless otherwise noted.
Standard Grade
OPA211AI, OPA2211AI
High Grade
OPA211I ⁽¹⁾
PARAMETER
CONDITIONS
MIN
TYP
MAX
MIN
TYP
MAX
OFFSET VOLTAGE
Input Offset Voltage
OPA211
OPA2211
Drift
vs Power Supply
Over Temperature
V_OS
dV_OS/dT
PSRR
V_S = ±15V
V_S = ±15V
V_S = ±2.25V to ±18V
±30
±125
±50
±150
0.35
1.5
0.1
1
3
±20
±50
0.15
0.85
0.1
0.5
3
INPUT BIAS CURRENT
Input Bias Current
Over Temperature
I_B
V_CM = 0V
±60
±175
±50
±125
OPA211
±200
±200
OPA2211
±250
Offset Current
Over Temperature
I_OS
V_CM = 0V
±25
±100
±150
±20
±75
±150
NOISE
Input Voltage Noise
e_n
f = 0.1Hz to 10Hz
80
80
Input Voltage Noise Density
f = 10Hz
2
2
f = 100Hz
1.4
1.4
f = 1kHz
1.1
1.1
Input Current Noise Density
I_n
f = 10Hz
3.2
3.2
f = 1kHz
1.7
1.7
INPUT VOLTAGE RANGE
Common-Mode Voltage Range
Common-Mode Rejection Ratio
INPUT IMPEDANCE
V_CM
CMRR
V_S ≥ ±5V
V_S < ±5V
V_S ≥ ±5V, (V–) + 2V ≤ V_CM ≤ (V+) – 2V
V_S < ±5V, (V–) + 2V ≤ V_CM ≤ (V+) – 2V
(V–) + 1.8
(V–) + 2
114
110
(V+) – 1.4 (V–) + 1.8
(V+) – 1.4 (V–) + 2
120
114
120
110
(V+) – 1.4
(V+) – 1.4
120
120
Differential
20k || 8
20k || 8
Common-Mode
10⁹ || 2
10⁹ || 2
OPEN-LOOP GAIN
Open-Loop Voltage Gain
Over Temperature
A_OL
(V–) + 0.2V ≤ V_O ≤ (V+) – 0.2V,
R_L = 10kΩ
A_OL
(V–) + 0.6V ≤ V_O ≤ (V+) – 0.6V,
R_L = 600Ω
114
130
110
114
114
130
110
114
OPA211
A_OL
(V–) + 0.6V ≤ V_O ≤ (V+) – 0.6V,
I_O ≤ 15mA
110
110
OPA211
A_OL
(V–) + 0.6V ≤ V_O ≤ (V+) – 0.6V,
15mA ≤ I_O ≤ 30mA
103
103
OPA2211 (per channel)
A_OL
(V–) + 0.6V ≤ V_O ≤ (V+)–0.6V,
I_O ≤ 15mA
100
FREQUENCY RESPONSE
Gain-Bandwidth Product
GBW
G = 100
80
80
G=1
45
45
Slew Rate
SR
27
27
Settling Time, 0.01%
t_S V_S = ±15V, G = –1, 10V Step, C_L = 100pF
400
400
0.0015% (16-bit)
V_S = ±15V, G = –1, 10V Step, C_L = 100pF
700
700
Overload Recovery Time
G = –10
500
500
Total Harmonic Distortion + Noise
THD+N
G = +1, f = 1kHz,
V_O = 3V_RMS, R_L = 600Ω
0.000015
–136
0.000015
–136
UNIT
µV
µV
µV/°C
µV/V
µV/V
nA
nA
nA
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
dB
dB
MHz
MHz
V/µs
ns
ns
ns
%
dB
(1) Shaded cells indicate different specifications from standard-grade version of device.
4
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