Datasheet

OPA377
OPA2377
OPA4377
www.ti.com SBOS504B –FEBRUARY 2010–REVISED JANUARY 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
OUT
= V
S
/2, unless otherwise noted.
OPA377, OPA2377, OPA4377
PARAMETERS CONDITIONS MIN TYP MAX UNIT
OFFSET VOLTAGE
Input Offset Voltage V
OS
V
S
= +5V 0.25 1 mV
vs Temperature dV
OS
/dT –40°C to +125°C 0.32 2 mV/°C
vs Power Supply PSRR V
S
= +2.2V to +5.5V, V
CM
< (V+) – 1.3V 5 28 mV/V
Over Temperature V
S
= +2.2V to +5.5V, V
CM
< (V+) – 1.3V 5 mV/V
Channel Separation, dc (dual, quad) 0.5 µV/V
INPUT BIAS CURRENT
Input Bias Current I
B
±0.2 ±10 pA
Over Temperature See Typical Characteristics pA
Input Offset Current I
OS
±0.2 ±10 pA
NOISE
Input Voltage Noise, e
n
f = 0.1Hz to 10Hz 0.8 mV
PP
Input Voltage Noise Density e
n
f = 1kHz 7.5 nV/√Hz
Input Current Noise i
n
f = 1kHz 2 fA/√Hz
INPUT VOLTAGE RANGE
Common-Mode Voltage Range V
CM
(V–) – 0.1 (V+) + 0.1 V
Common-Mode Rejection Ratio CMRR (V–) < V
CM
< (V+) – 1.3 V 70 90 dB
INPUT CAPACITANCE
Differential 6.5 pF
Common-Mode 13 pF
OPEN-LOOP GAIN
Open-Loop Voltage Gain A
OL
50mV < V
O
< (V+) – 50mV, R
L
= 10kΩ 112 134 dB
100mV < V
O
< (V+) – 100mV, R
L
= 2kΩ 126 dB
FREQUENCY RESPONSE V
S
= 5.5V
Gain-Bandwidth Product GBW 5.5 MHz
Slew Rate SR G = +1 2 V/ms
Settling Time 0.1% t
S
2V Step , G = +1 1.6 ms
Settling Time 0.01% t
S
2V Step , G = +1 2 ms
Overload Recovery Time V
IN
× Gain > V
S
0.33 ms
THD + Noise THD+N V
O
= 1V
RMS
, G = +1, f = 1kHz, R
L
= 10kΩ 0.00027 %
OUTPUT
Voltage Output Swing from Rail R
L
= 10kΩ 10 20 mV
Over Temperature R
L
= 10kΩ 40 mV
Short-Circuit Current I
SC
+30/–50 mA
Capacitive Load Drive C
LOAD
See Typical Characteristics
Open-Loop Output Impedance R
O
150 Ω
POWER SUPPLY
Specified Voltage Range V
S
2.2 5.5 V
Quiescent Current per amplifier I
Q
I
O
= 0, V
S
= +5.5V 0.76 1.05 mA
Over Temperature 1.2 mA
TEMPERATURE RANGE
Specified Range –40 +125 °C
Thermal Resistance q
JA
°C/W
SC70-5 250 °C/W
SOT23-5 200 °C/W
MSOP-8, SO-8, TSSOP-14 150 °C/W
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