OPA376-Q1_016 Datasheet, PDF (8/39 Pages) Texas Instruments – Low-Noise, Low Quiescent Current, Precision Operational Amplifier e-trim Series

OPA376-Q1, OPA2376-Q1, OPA4376-Q1
SBOS549B – APRIL 2011 – REVISED JUNE 2016
www.ti.com
6.7 Electrical Characteristics
At T_A = 25°C, R_L = 10 kΩ connected to V_S / 2, V_CM = V_S / 2, and V_OUT = V_S / 2, unless otherwise noted.
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
OFFSET VOLTAGE
V_OS
dV_OS/dT
PSRR
Input offset voltage
Input offset voltage versus
temperature
Input offset voltage versus
power supply
Channel separation, dc (dual,
quad)
T_A = –40°C to +85°C
T_A = –40°C to +125°C
V_S = 2.2 V to 5.5 V,
V_CM < (V+) – 1.3 V
T_A = 25°C
T_A = –40°C to +125°C
5
25
0.26
1
0.32
2
5
20
5
0.5
INPUT BIAS CURRENT
I_B
I_OS
NOISE
Input bias current
Input offset current
T_A = 25°C
T_A = –40°C to +125°C
0.2
10
See Typical Characteristics
0.2
10
Input voltage noise
f = 0.1 Hz to 10 Hz
0.8
e_n
Input voltage noise density
f = 1 kHz
7.5
i_n
Input current noise
f = 1 kHz
2
INPUT VOLTAGE
V_CM
CMRR
Common-mode voltage
Common-mode rejection ratio
INPUT CAPACITANCE
(V–) < V_CM < (V+) – 1.3 V
(V–) – 0.1
76
(V+) + 0.1
90
Differential
6.5
Common-mode
13
OPEN-LOOP GAIN
A_OL
Open-loop voltage gain
FREQUENCY RESPONSE
50 mV < V_O < (V+) – 50 mV, R_L = 10 kΩ
100 mV < V_O < (V+) – 100 mV, R_L = 2 kΩ
120
134
120
126
GBW
SR
Gain-bandwidth product
Slew rate
t_S
Settling time
Overload recovery time
THD+N THD + noise
OUTPUT
C_L = 100 pF, V_S = 5.5 V
G = 1, C_L = 100 pF, V_S = 5.5 V
0.1%, 2-V Step , G = 1, C_L = 100 pF, V_S = 5.5 V
0.01%, 2-V Step , G = 1, C_L = 100 pF, V_S = 5.5 V
V_IN × Gain > V_S
V_O = 1 V_RMS, G = 1, f = 1 kHz, R_L = 10 kΩ
5.5
2
1.6
2
0.33
0.00027%
I_SC
C_LOAD
R_O
Voltage output swing from rail
R_L = 10 kΩ
R_L = 2 kΩ
Short-circuit current
Capacitive load drive
Open-loop output impedance
T_A = 25°C
T_A = –40°C to +125°C
T_A = 25°C
T_A = –40°C to +125°C
10
20
40
40
50
80
30 / –50
See Typical Characteristics
150
UNIT
μV
μV/°C
μV/°C
μV/V
μV/V
µV/V
pA
pA
pA
μV_PP
nV/√Hz
fA/√Hz
V
dB
pF
pF
dB
dB
MHz
V/μs
μs
μs
μs
mV
mV
mV
mV
mA
Ω
8
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