Datasheet

OPA705, 2705, 4705
3
SBOS182A
OPA705NA, UA, PA
OPA2705EA, UA, PA
OPA4705EA, UA
ELECTRICAL CHARACTERISTICS: V
S
= 4V to 12V
Boldface limits apply over the specified temperature range, T
A
= –40°C to +85°C
At T
A
= +25°C, R
L
= 20kΩ 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 ±0.5 ±5mV
Drift dV
OS
/dT T
A
= –40°C to +85°C ±4 µV/°C
vs Power Supply PSRR V
S
= ±2V to ±6V, V
CM
= 0V 20 100 µV/V
Over Temperature V
S
= ±2V to ±6V, V
CM
= 0V 100 µV/V
Channel Separation, dc R
L
= 20kΩ 1 µV/V
f = 1kHz 98 dB
INPUT VOLTAGE RANGE
Common-Mode Voltage Range V
CM
(V–) – 0.3 (V+) + 0.3 V
Common-Mode Rejection Ratio CMRR
V
S
= ±5V, (V–) – 0.3V < V
CM
< (V+) + 0.3V 66 77 dB
over Temperature
V
S
= ± 5V, (V–) < V
CM
< (V+) 74 dB
V
S
= ±5V, (V–) – 0.3V < V
CM
< (V+) – 2V 66 96 dB
over Temperature
V
S
= ± 5V, (V–) < V
CM
< (V+) – 2V 93 dB
INPUT BIAS CURRENT
Input Bias Current I
B
V
S
= ±5V, V
CM
= 0V ±1 ±10 pA
Input Offset Current I
OS
V
S
= ±5V, 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
= ±5V, V
CM
= 0V 6 µVp-p
Input Voltage Noise Density, f = 1kHz e
n
V
S
= ±5V, V
CM
= 0V 45 nV/√Hz
Current Noise Density, f = 1kHz i
n
V
S
= ±5V, 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 120 dB
R
L
= 20kΩ, (V–)+0.075V < V
O
< (V+)–0.075V 100 110 dB
over Temperature R
L
= 20k Ω , (V–)+0.075V < V
O
< (V+)–0.075V 106 dB
R
L
= 5kΩ, (V–)+0.15V < V
O
< (V+)–0.15V 100 110 dB
over Temperature R
L
= 5kΩ, (V–)+0.15V < V
O
< (V+)–0.15V 106 dB
OUTPUT
Voltage Output Swing from Rail R
L
= 100kΩ, A
OL
> 80dB 40 mV
R
L
= 20kΩ, A
OL
> 100dB 75 mV
R
L
= 5kΩ, A
OL
> 100dB 150 mV
Output Current I
OUT
|V
S
– V
OUT
| < 1V ±10 mA
Short-Circuit Current I
SC
±40 mA
Capacitive Load Drive C
LOAD
See Typical Performance Curves
FREQUENCY RESPONSE C
L
= 100pF
Gain-Bandwidth Product GBW G = +1 1 MHz
Slew Rate SR V
S
= ±5V, G = +1 0.6 V/µs
Settling Time, 0.1% t
S
V
S
= ±5V, 5V Step, G = +1 15 µs
0.01% V
S
= ±5V, 5V Step, G = +1 20 µs
Overload Recovery Time V
IN
• Gain = V
S
3 µs
Total Harmonic Distortion + Noise THD+N V
S
= ±5V, V
O
= 3Vp-p, G = +1, f = 1kHz 0.02 %
POWER SUPPLY
Specified Voltage Range, Single Supply V
S
412V
Specified Voltage Range, Dual Supplies V
S
±2 ±6V
Operating Voltage Range 3.6 to 12 V
Quiescent Current (per amplifier) I
Q
I
O
= 0 160 250 µA
over Temperature 200
µA
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