Datasheet

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SBOS077B − JUNE 1997 − REVISED MARCH 2005
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3
ELECTRICAL CHARACTERISTICS: V
S
= 2.7V to 5.5V
Boldface limits apply over the specified temperature range, −405C to +855C, V
S
= 5V.
At T
A
= +25°C and R
L
= 25kΩ connected to V
S
/2, unless otherwise noted.
OPA337, OPA2337,
OPA338, OPA2338
PARAMETER CONDITION MIN TYP
(1)
MAX UNIT
OFFSET VOLTAGE
Input Offset Voltage V
OS
±0.5 ±3 mV
T
A
= −40°C to +85°C ±3.5 mV
vs Temperature dV
OS
/dT ±2 µV/°C
vs Power-Supply Rejection Ratio PSRR V
S
= 2.7V to 5.5V 25 125 µV/V
T
A
= −40°C to +85°C V
S
= 2.7V to 5.5V 125 µV/V
Channel Separation (dual versions) dc 0.3 µV/V
INPUT BIAS CURRENT
Input Bias Current I
B
±0.2 ±10 pA
T
A
= −40°C to +85°C See Typical Curve
Input Offset Current I
OS
±0.2 ±10 pA
NOISE
Input Voltage Noise, f = 0.1Hz to 10Hz 6 µV
PP
Input Voltage Noise Density, f = 1kHz e
n
26 nV/√Hz
Current Noise Density, f = 1kHz i
n
0.6 fA/√Hz
INPUT VOLTAGE RANGE
Common-Mode Voltage Range V
CM
T
A
= −40°C to +85°C −0.2 (V+) − 1.2 V
Common-Mode Rejection Ratio CMRR −0.2V < V
CM
< (V+) − 1.2V 74 90 dB
T
A
= −40°C to +85°C −0.2V < V
CM
< (V+) − 1.2V 74 dB
INPUT IMPEDANCE
Differential 10
13
 2 Ω  pF
Common-Mode 10
13
 4 Ω  pF
OPEN-LOOP GAIN
Open-Loop Voltage Gain A
OL
R
L
= 25kΩ, 125mV < V
O
< (V+) − 125mV 100 120 dB
T
A
= −40°C to +85°C R
L
= 25kΩ, 125mV < V
O
< (V+) − 125mV 100 dB
R
L
= 5kΩ, 500mV < V
O
< (V+) − 500mV 100 114 dB
T
A
= −40°C to +85°C R
L
= 5kΩ, 500mV < V
O
< (V+) − 500mV 100 dB
OPA337 FREQUENCY RESPONSE
Gain-Bandwidth Product GBW V
S
= 5V, G = 1 3 MHz
Slew Rate SR V
S
= 5V, G = 1 1.2 V/µs
Settling TIme: 0.1% V
S
= 5V, 2V Step, C
L
= 100pF, G = 1 2 µs
0.01% V
S
= 5V, 2V Step, C
L
= 100pF, G = 1 2.5 µs
Overload Recovery Time V
IN
× G = V
S
2 µs
Total Harmonic Distortion + Noise THD+N V
S
= 5V, V
O
= 3V
PP
, G = 1, f = 1kHz 0.001 %
OPA338 FREQUENCY RESPONSE
Gain-Bandwidth Product GBW V
S
= 5V, G = 5 12.5 MHz
Slew Rate SR V
S
= 5V, G = 5 4.6 V/µs
Settling TIme: 0.1% V
S
= 5V, 2V Step, C
L
= 100pF, G = 5 1.4 µs
0.01% V
S
= 5V, 2V Step, C
L
= 100pF, G = 5 1.9 µs
Overload Recovery Time V
IN
× G = V
S
0.5 µs
Total Harmonic Distortion + Noise THD+N V
S
= 5V, V
O
= 3V
PP
, G = 5, f = 1kHz 0.0035 %
(1)
V
S
= 5V.
(2)
Output voltage swings are measured between the output and negative and positive power-supply rails.