OPA376-Q1_15 Datasheet, PDF (3/20 Pages) Texas Instruments – Low-Noise, Low Quiescent Current, Precision Operational Amplifier e-trim™ Series

OPA376-Q1
OPA2376-Q1, OPA4376-Q1
www.ti.com
SBOS549 – APRIL 2011
ELECTRICAL CHARACTERISTICS: V_S = +2.2V to +5.5V
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 V_S/2, V_CM = V_S/2, and V_{O UT} = V_S/2, unless otherwise noted.
PARAMETERS
CONDITIONS
MIN
TYP
MAX
OFFSET VOLTAGE
Input Offset Voltage
vs Temperature
V_OS
dV_OS/dT
–40°C to +85°C
–40°C to +125°C
5
25
0.26
1
0.32
2
vs Power Supply
Over Temperature
Channel Separation, dc (dual, quad)
PSRR
V_S = +2.2V to +5.5V, V_CM < (V+) – 1.3V
V_S = +2.2V to +5.5V, V_CM < (V+) – 1.3V
5
20
5
0.5
INPUT BIAS CURRENT
Input Bias Current
I_B
Over Temperature
0.2
10
See Typical Characteristics
Input Offset Current
I_OS
NOISE
0.2
10
Input Voltage Noise, f = 0.1Hz to 10Hz
0.8
Input Voltage Noise Density, f = 1kHz
e_n
7.5
Input Current Noise, f = 1kHz
i_n
2
INPUT VOLTAGE RANGE
Common-Mode Voltage Range
Common-Mode Rejection Ratio
INPUT CAPACITANCE
V_CM
CMRR
(V–) < V_CM < (V+) – 1.3 V
(V–) – 0.1
(V+) + 0.1
76
90
Differential
6.5
Common-Mode
13
OPEN-LOOP GAIN
Open-Loop Voltage Gain
FREQUENCY RESPONSE
Gain-Bandwidth Product
A_OL 50mV < V_O < (V+) – 50mV, R_L = 10kΩ
120
134
100mV < V_O < (V+) – 100mV, R_L = 2kΩ
120
126
C_L = 100pF, V_S = 5.5V
GBW
5.5
Slew Rate
SR
G = +1
2
Settling Time 0.1%
Settling Time 0.01%
Overload Recovery Time
THD + Noise
OUTPUT
t_S
t_S
THD+N
2V Step , G = +1
2V Step , G = +1
V_IN × Gain > V_S
V_O = 1V_RMS, G = +1, f = 1kHz, R_L = 10kΩ
1.6
2
0.33
0.00027
Voltage Output Swing from Rail
Over Temperature
Voltage Output Swing from Rail
Over Temperature
Short-Circuit Current
Capacitive Load Drive
Open-Loop Output Impedance
I_SC
C_LOAD
R_O
R_L = 10kΩ ⁽¹⁾
R_L = 10kΩ ⁽²⁾
R_L = 10kΩ
R_L = 2kΩ ⁽¹⁾
R_L = 2kΩ ⁽²⁾
R_L = 2kΩ
10
20
20
30
40
40
50
50
60
80
+30/–50
See Typical Characteristics
150
(1) SC70-5, SOT23-5, SO-8, MSOP-8, and TSSOP-14 packages only.
(2) Wafer chip-scale package only.
UNIT
μV
μV/°C
μV/°C
μV/V
μV/V
mV/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
mV
mV
mA
Ω
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