Datasheet

OPA341, 2341
3
SBOS202A
PARAMETER CONDITION MIN TYP MAX UNITS
OFFSET VOLTAGE
Input Offset Voltage V
OS
V
S
= 5V ±2 ±6mV
Drift dV
OS
/dT ±2 µV/°C
vs Power Supply PSRR V
S
= 2.7V to 5.5V, V
CM
= 0V 40 200 µV/V
Over Temperature V
S
= 2.7V to 5.5V, V
CM
= 0V 200 µV/V
Channel Separation, dc 0.2 µV/V
INPUT BIAS CURRENT
Input Bias Current I
B
±0.6 ±10 pA
Over Temperature 2000 pA
Input Offset Current I
OS
±0.2 ±10 pA
NOISE
Input Voltage Noise, f = 0.1Hz to 50kHz 8 µVrms
Input Voltage Noise Density, f = 1kHz e
n
25 nV/√Hz
Input Current Noise Density, f = 1kHz i
n
3fA/√Hz
INPUT VOLTAGE RANGE (V–) – 0.3 (V+) + 0.3 V
Common-Mode Voltage Range V
CM
(V–) – 0.1 (V+) + 0.1 V
Common-Mode Rejection Ratio CMRR
V
S
= 5V, (V–) – 0.3V < V
CM
< (V+) – 1.8V 76 90 dB
Over Temperature
V
S
= 5V, (V–) – 0.1V < V
CM
< (V+) – 1.8V 74dB
V
S
= 5V, (V–) – 0.3V < V
CM
< (V+) + 0.3V 60 74 dB
Over Temperature
V
S
= 5V, (V–) – 0.1V < V
CM
< (V+) + 0.1V 58 dB
V
S
= 2.7V, (V–) – 0.3V < V
CM
< (V+) + 0.3V 57 70 dB
Over Temperature
V
S
= 2.7V, (V–) – 0.1V < V
CM
< (V+) + 0.1V 55 dB
INPUT IMPEDANCE
Differential 10
13
|| 3 Ω || pF
Common-Mode 10
13
|| 6 Ω || pF
OPEN-LOOP GAIN
Open-Loop Voltage Gain A
OL
R
L
= 100kΩ, (V–) + 5mV < V
O
< (V+) – 5mV 100 120 dB
Over Temperature
R
L
= 100kΩ, (V–) + 5mV < V
O
< (V+) – 5mV 100 dB
R
L
= 2kΩ, (V–) + 200mV < V
O
< (V+) – 200mV 96 110 dB
Over Temperature
R
L
= 2kΩ, (V–) + 200mV < V
O
< (V+) – 200mV 94 dB
FREQUENCY RESPONSE V
S
= 5V
Gain-Bandwidth Product GBW 5.5 MHz
Slew Rate SR G = +1, C
L
= 100pF 6 V/µs
Settling Time, 0.1% t
S
V
S
= 5V, 2V Step, G = +1, C
L
= 100pF 1 µs
0.01% V
S
= 5V, 2V Step, G = +1, C
L
= 100pF 1.6 µs
Overload Recovery Time V
IN
• Gain ≤ V
S
0.2 µs
Total Harmonic Distortion + Noise THD+N V
S
= 5V, V
O
= 3Vp-p
(1)
, G = +1, f = 1kHz 0.0007 %
OUTPUT
Voltage Output Swing from Rail R
L
= 100kΩ, A
OL
> 100dB 1 5 mV
Over Temperature R
L
= 100kΩ, A
OL
> 100dB 5 mV
R
L
= 2kΩ, A
OL
> 96dB 40 200 mV
Over Temperature R
L
= 2kΩ, A
OL
> 94dB 200 mV
Short-Circuit Current I
SC
±50 mA
Capacitive Load Drive C
LOAD
See Typical Characteristics
SHUTDOWN
t
OFF
1 µs
t
ON
3 µs
V
L
(Shutdown) V– (V–) + 0.8 V
V
H
(Amplifier is Active) (V–) + 2 V+ V
I
QSD
10 nA
POWER SUPPLY
Specified Voltage Range V
S
2.7 5.5 V
Operating Voltage Range 2.5 to 5.5 V
Quiescent Current (per amplifier) I
Q
I
O
= 0, V
S
= 5V 0.75 1.0 mA
Over Temperature 1.2 mA
TEMPERATURE RANGE
Specified Range –55 125 °C
Operating Range –55 150 °C
Storage Range –65 150 °C
Thermal Resistance
θ
JA
°C/W
SOT-23-6 Surface Mount 200 °C/W
MSOP-10 Surface Mount 150 °C/W
SO-8 Surface Mount 150 °C/W
OPA341NA, UA
OPA2341DGSA
ELECTRICAL CHARACTERISTICS: V
S
= 2.7V to 5.5V
Boldface limits apply over the specified temperature range, T
A
= –55°C to +125°C.
At T
A
= +25°C, R
L
= 10kΩ connected to V
S
/ 2 and V
OUT
= V
S
/ 2, V
ENABLE
= V
DD
, unless otherwise noted.
NOTE: (1) V
OUT
= 0.25V to 3.25V.