OPA171-Q1 Datasheet, PDF (3/18 Pages) Texas Instruments – 36V, SINGLE-SUPPLY, GENERAL-PURPOSE OPERATIONAL AMPLIFIER

OPA171-Q1
www.ti.com
SBOS556 – JUNE 2011
ELECTRICAL CHARACTERISTICS
Boldface limits apply over the specified temperature range, T_A = –40°C to +125°C.
At T_A = +25°C, V_S = +2.7V to +36V, V_CM = V_OUT = V_S/2, and R_LOAD = 10kΩ connected to V_S/2, unless otherwise noted.
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX UNIT
OFFSET VOLTAGE
Input offset voltage
Over temperature
Drift
vs power supply
Channel separation, dc
V_OS
dV_OS/dT
PSRR
V_S = +4V to +36V
dc
0.25
±1.8 mV
0.3
±2 mV
0.3
±2⁽¹⁾ µV/°C
1
±3 µV/V
5
µV/V
INPUT BIAS CURRENT
Input bias current
I_B
Over temperature
±8
±15 pA
±3.5 nA
Input offset current
I_OS
Over temperature
±4
pA
±3.5 nA
NOISE
Input voltage noise
Input voltage noise density
e_n
f = 0.1Hz to 10Hz
f = 100Hz
f = 1kHz
3
µV_PP
25
nV/√Hz
14
nV/√Hz
INPUT VOLTAGE
Common-mode voltage range⁽²⁾
Common-mode rejection ratio
INPUT IMPEDANCE
V_CM
CMRR
V_S = ±2V, (V–) – 0.1V < V_CM < (V+) – 2V
V_S = ±18V, (V–) – 0.1V < V_CM < (V+) – 2V
(V–) – 0.1V
90
104
(V+) – 2V
V
104
dB
120
dB
Differential
100 || 3
MΩ || pF
Common-mode
6 || 3
10¹²Î© ||
pF
OPEN-LOOP GAIN
Open-loop voltage gain
A_OL V_S = +4V to +36V, (V–) + 0.35V < V_O < (V+) – 0.35V
110
130
dB
FREQUENCY RESPONSE
Gain bandwidth product
GBP
3.0
MHz
Slew rate
SR
G = +1
1.5
V/µs
Settling time
Overload recovery time
Total harmonic distortion + noise
OUTPUT
t_S
THD+N
To 0.1%, V_S = ±18V, G = +1, 10V step
To 0.01% (12 bit), V_S = ±18V, G = +1, 10V step
V_IN × Gain > V_S
G = +1, f = 1kHz, V_O = 3V_RMS
6
µs
10
µs
2
µs
0.0002
%
Voltage output swing from rail
Short-circuit current
Capacitive load drive
Open-loop output resistance
POWER SUPPLY
V_O
I_SC
C_LOAD
R_O
R_L = 10kΩ, A_OL ≥ 110dB
f = 1MHz, I_O = 0A
(V–) + 0.35
(V+) – 0.35
V
+25/–35
mA
See Typical Characteristics
pF
150
Ω
Specified voltage range
V_S
Quiescent current per amplifier
I_Q
Over temperature
TEMPERATURE
I_O = 0A
I_O = 0A
+2.7
475
+36
V
595 µA
650 µA
Specified range
–40
+125 °C
Operating range
–55
+150 °C
(1) Not production tested.
(2) The input range can be extended beyond (V+) – 2V up to V+. See the Typical Characteristics and Application Information sections for
additional information.
Copyright © 2011, Texas Instruments Incorporated
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