OPA2171-EP Datasheet, PDF (5/28 Pages) Texas Instruments – Single-Supply, SOT553, General-Purpose Operational Amplifiers

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OPA2171-EP
SBOS735 – SEPTEMBER 2015
6.5 Electrical Characteristics
at T_J = 25°C, V_S = 2.7 to 36 V, V_CM = V_OUT = V_S / 2, and R_LOAD = 10 kΩ 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
T_J = –55°C to 125°C
T_J = –55°C to 125°C
V_S = 4 to 36 V, T_A = –55°C to 125°C
dc
0.25
±1.8 mV
0.3
±2 mV
0.3
µV/°C
1
±5 µV/V
5
µV/V
INPUT BIAS CURRENT
Input bias current
Over temperature
Input offset current
Over temperature
NOISE
I_B
T_J = –55°C to 125°C
I_OS
T_J = –55°C to 125°C
±8
±15 pA
±4 nA
±4
pA
±4 nA
Input voltage noise
Input voltage noise density e_n
ƒ = 0.1 to 10 Hz
ƒ = 100 Hz
ƒ = 1 kHz
3
µV_PP
25
nV/√Hz
14
nV/√Hz
INPUT VOLTAGE
Common-mode voltage
range ⁽¹⁾
V_CM
(V–) – 0.1 V
(V+) – 2 V V
Common-mode rejection
ratio
CMRR
V_S = ±2 V, (V–) – 0.1 V < V_CM < (V+) – 2 V,
T_J = –55°C to 125°C
V_S = ±18 V, (V–) – 0.1 V < V_CM < (V+) – 2 V,
T_J = –55°C to 125°C
87
104
104
120
dB
dB
INPUT IMPEDANCE
Differential
Common-mode
100 || 3
6 || 3
MΩ ||
pF
10¹²Î© ||
pF
OPEN-LOOP GAIN
Open-loop voltage gain
A_OL
V_S = 4 to 36 V, (V–) + 0.35 V < V_O < (V+) –
0.35 V, T_J = –55°C to 125°C
110
130
dB
FREQUENCY RESPONSE
Gain bandwidth product
GBP
3.0
MHz
Slew rate
SR
G = +1
1.5
V/µs
Settling time
To 0.1%, V_S = ±18 V, G = +1, 10-V step
t_S
To 0.01% (12 bit), V_S = ±18 V, G = +1, 10-V
step
6
µs
10
µs
Overload recovery time
Total harmonic distortion +
noise
THD+N
V_IN × Gain > V_S
G = +1, ƒ = 1kHz, V_O = 3V_RMS
2
µs
0.0002%
OUTPUT
Voltage output swing from
rail
V_O
V_S = 5 V, R_L = 10 kΩ
30
mV
Over temperature
Short-circuit current
Capacitive load drive
Open-loop output resistance
I_SC
C_LOAD
R_O
R_L = 10 kΩ, A_OL ≥ 110 dB,
T_J = –55°C to 125°C
ƒ = 1 MHz, I_O = 0 A
(V–) + 0.35
(V+) – 0.35 V
+25/–35
mA
See Typical Characteristics
pF
150
Ω
(1) The input range can be extended beyond (V+) – 2 V up to V+. See Typical Characteristics and Application and Implementation for
additional information.
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