Datasheet

OPA743
3
SBOS201
OPA743NA, UA, PA
OPA2743EA, UA, PA
OPA4743EA, UA
ELECTRICAL CHARACTERISTICS: V
S
= 3.5V to 12V
Boldface limits apply over the specified temperature range, T
A
= –40°C to +85°C
At T
A
= +25°C, R
L
= 10kΩ connected to V
S
/ 2 and V
OUT
= V
S
/ 2, unless otherwise noted.
PARAMETER CONDITION MIN TYP MAX UNITS
OFFSET VOLTAGE
Input Offset Voltage V
OS
V
S
= ±5V, V
CM
= 0V ±1.5 ±7mV
Drift dV
OS
/dT T
A
= –40°C to +85°C ±8 µV/°C
vs Power Supply PSRR V
S
= ±1.75V to ±6V, V
CM
= –0.25 10 100 µV/V
Over Temperature V
S
= ±1.75V to ±6V, V
CM
= –0.25 200 µV/V
Channel Separation, dc 1 µV/V
f = 10kHz 110 dB
INPUT VOLTAGE RANGE
Common-Mode Voltage Range V
CM
(V–) – 0.1 (V+) + 0.1 V
Common-Mode Rejection Ratio CMRR
V
S
= ±5V, (V–) – 0.1V < V
CM
< (V+) + 0.1V 66 84 dB
over Temperature
V
S
= ± 5V, (V–) < V
CM
< (V+) 60 dB
V
S
= ±5V, (V–) – 0.1V < V
CM
< (V+) – 2V 70 90 dB
over Temperature
V
S
= ± 5V, (V–) < V
CM
< (V+) – 2V 70 dB
V
S
= ±1.75V, (V–) – 0.1V < V
CM
< (V+) + 0.1V 60 dB
INPUT BIAS CURRENT
Input Bias Current I
B
V
S
= ±6V, V
CM
= 0V ±1 ±10 pA
Input Offset Current I
OS
V
S
= ±6V, V
CM
= 0V ±0.5 ±10 pA
INPUT IMPEDANCE
Differential 4 • 10
9
|| 4 Ω || pF
Common-Mode 5 • 10
12
|| 4 Ω || pF
NOISE
Input Voltage Noise, f = 0.1Hz to 10Hz
V
S
= ±6V, V
CM
= 0V 11 µVp-p
Input Voltage Noise Density, f = 10kHz e
n
V
S
= ±6V, V
CM
= 0V 30 nV/√Hz
Current Noise Density, f = 1kHz i
n
V
S
= ±6V, V
CM
= 0V 2.5 fA/√Hz
OPEN-LOOP GAIN
Open-Loop Voltage Gain A
OL
R
L
= 100kΩ, (V–)+0.1V < V
O
< (V+)–0.1V 106 120 dB
over Temperature
R
L
= 100k Ω , (V–)+0.125V < V
O
< (V+)–0.125V 100 dB
R
L
= 1k, (V–)+0.325V < V
O
< (V+)–0.325V 86 100 dB
over Temperature R
L
= 1k, (V–)+0.450 < V
O
< (V+)–0.450V 96 dB
OUTPUT
Voltage Output Swing from Rail R
L
= 100kΩ, A
OL
> 106dB 75 100 mV
over Temperature R
L
= 100kΩ, A
OL
> 100dB 100 125 mV
R
L
= 1kΩ, A
OL
> 86dB 300 325 mV
over Temperature R
L
= 1kΩ, A
OL
> 96dB 425 450 mV
Output Current I
OUT
|V
S
– V
OUT
| < 1V ±20 mA
Short-Circuit Current I
SC
±30 mA
Capacitive Load Drive C
LOAD
See Typical Characteristics
FREQUENCY RESPONSE C
L
= 15pF
Gain-Bandwidth Product GBW G = +1 7 MHz
Slew Rate SR V
S
= ±6V, G = +1 10 V/µs
Settling Time, 0.1% t
S
V
S
= ±6V, 5V Step, G = +1 9 µs
0.01% V
S
= ±6V, 5V Step, G = +1 15 µs
Overload Recovery Time V
IN
• Gain = V
S
200 ns
Total Harmonic Distortion + Noise THD+N V
S
= ±6V, V
O
= 1Vrms, G = +1, f = 6kHz 0.0008 %
POWER SUPPLY
Specified Voltage Range, Single Supply V
S
3.5 12 V
Specified Voltage Range, Dual Supplies V
S
±1.75 ±6V
Quiescent Current (per amplifier) I
Q
I
O
= 0 1.1 1.5 mA
over Temperature 1.7 mA
TEMPERATURE RANGE
Specified Range –40 85 °C
Operating Range –55 125 °C
Storage Range –65 150 °C
Thermal Resistance
θ
JA
SOT23-5 Surface-Mount 200 °C/W
MSOP-8 Surface-Mount 150 °C/W
TSSOP-14 Surface-Mount 100 °C/W
SO-8 Surface Mount 150 °C/W
SO-14 Surface Mount 100 °C/W
DIP-8 100 °C/W