Datasheet

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SBOS291G − NOVEMBER 2003 − REVISED SEPTEMBER 2007
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3
ELECTRICAL CHARACTERISTICS: OPA380 (SINGLE), V
S
= 2.7V to 5.5V
Boldface limits apply over the temperature range, T
A
= −40°C to +125°C.
All specifications at T
A
= +25°C, R
L
= 2kΩ connected to V
S
/2, and V
OUT
= V
S
/2, unless otherwise noted.
OPA380
PARAMETER CONDITION
MIN TYP MAX
UNITS
OFFSET VOLTAGE
Input Offset Voltage V
OS
V
S
= +5V, V
CM
= 0V 4 25 µV
Drift dV
OS
/dT 0.03 0.1 µV/°C
vs Power Supply PSRR V
S
= +2.7V to +5.5V, V
CM
= 0V 2.4 10 µV/V
Over Temperature V
S
= +2.7V to +5.5V, V
CM
= 0V 10 µV/V
Long-Term Stability
(1)
See Note (1)
Channel Separation, dc 1 µV/V
INPUT BIAS CURRENT
Input Bias Current I
B
V
CM
= V
S
/2 3 ±50 pA
Over Temperature Typical Characteristics
Input Offset Current I
OS
V
CM
= V
S
/2 6 ±100 pA
NOISE
Input Voltage Noise, f = 0.1Hz to 10Hz e
n
V
S
= +5V, V
CM
= 0V 3 µV
PP
Input Voltage Noise Density, f = 10kHz e
n
V
S
= +5V, V
CM
= 0V 67 nV/√Hz
Input Voltage Noise Density, f > 1MHz e
n
V
S
= +5V, V
CM
= 0V 5.8 nV/√Hz
Input Current Noise Density, f = 10kHz i
n
V
S
= +5V, V
CM
= 0V 10 fA/√Hz
INPUT VOLTAGE RANGE
Common-Mode Voltage Range V
CM
V− (V+) − 1.8V V
Common-Mode Rejection Ratio CMRR (V−) < V
CM
< (V+) – 1.8V 100 110 dB
INPUT IMPEDANCE
Differential Capacitance 1.1 pF
Common-Mode Resistance and Inverting Input
Capacitance
10
13
|| 3 Ω || pF
OPEN-LOOP GAIN
Open-Loop Voltage Gain A
OL
0.1V < V
O
< (V+) − 0.7V, V
S
= 5V, V
CM
= V
S
/2 110 130 dB
0.1V < V
O
< (V+) − 0.6V, V
S
= 5V, V
CM
= V
S
/2,
T
A
= −40°C to +85°C
110 130 dB
0V < V
O
< (V+) − 0.7V, V
S
= 5V, V
CM
= 0V,
R
P
= 2kΩ to −5V
(2)
106 120 dB
0V < V
O
< (V+) − 0.6V, V
S
= 5V, V
CM
= 0V,
R
P
= 2kΩ to −5V
(2)
, T
A
= −40°C to +85°C
106 120 dB
FREQUENCY RESPONSE C
L
= 50pF
Gain-Bandwidth Product GBW 90 MHz
Slew Rate SR G = +1 80 V/µs
Settling Time, 0.01%
(3)
t
S
V
S
= +5V, 4V Step, G = +1 2 µs
Overload Recovery Time
(4)(5)
V
IN
× G = > V
S
100 ns
OUTPUT
Voltage Output Swing from Positive Rail R
L
= 2kΩ 400 600 mV
Voltage Output Swing from Negative Rail R
L
= 2kΩ 60 100 mV
Voltage Output Swing from Positive Rail R
P
= 2kΩ to −5V
(2)
400 600 mV
Voltage Output Swing from Negative Rail R
P
= 2kΩ to −5V
(2)
−20 0 mV
Output Current I
OUT
See Typical Characteristics
Short-Circuit Current I
SC
150 mA
Capacitive Load Drive C
LOAD
See Typical Characteristics
Open-Loop Output Impedance R
O
f = 1MHz, I
O
= 0A 40 Ω
POWER SUPPLY
Specified Voltage Range V
S
2.7 5.5 V
Quiescent Current I
Q
I
O
= 0A 7.5 9.5 mA
Over Temperature 10 mA
TEMPERATURE RANGE
Specified and Operating Range −40 +125 °C
Storage Range −65 +150 °C
Thermal Resistance q
JA
MSOP-8, SO-8 150 °C/W
(1)
300-hour life test at 150°C demonstrated randomly distributed variation approximately equal to measurement repeatability of 1µV.
(2)
Tested with output connected only to R
P
, a pulldown resistor connected between V
OUT
and −5V, as shown in Figure 5. See also applications section, Achieving
Output Swing to Ground.
(3)
Transimpedance frequency of 1MHz.
(4)
Time required to return to linear operation.
(5)
From positive rail.