Datasheet

OPA347, 2347, 4347
3
SBOS167D
www.ti.com
OPA347NA, UA, PA, SA
OPA2347EA, UA, YED
OPA4347EA, UA
ELECTRICAL CHARACTERISTICS: V
S
= 2.5V 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
= 100kΩ connected to V
S
/2 and V
OUT
= V
S
/2, unless otherwise noted.
NOTE: (1) Input bias current for the OPA2347YED package is specified in the absence of light. See the Photosensitivity section for further detail.
PARAMETER CONDITION MIN TYP MAX UNITS
OFFSET VOLTAGE
Input Offset Voltage V
OS
V
S
= 5.5V, V
CM
= (V–) + 0.8V 2 6 mV
over Temperature 27 mV
Drift dV
OS
/dT 3 µV/°C
vs Power Supply PSRR V
S
= 2.5V to 5.5V, V
CM
< (V+) – 1.7V 60 175 µV/V
over Temperature V
S
= 2.5V to 5.5V, V
CM
< (V+) – 1.7V 300 µV/V
Channel Separation, DC 0.3 µV/V
f = 1kHz 128 dB
INPUT VOLTAGE RANGE
Common-Mode Voltage Range V
CM
(V–) – 0.2 (V+) + 0.2 V
Common-Mode Rejection Ratio CMRR
V
S
= 5.5V, (V–) – 0.2V < V
CM
< (V+) – 1.7V 70 80 dB
over Temperature V
S
= 5.5V, V– < V
CM
< (V+) – 1.7V 66 dB
Vs = 5.5V, (V–) – 0.2V < V
CM
< (V+) + 0.2V 54 70 dB
over Temperature Vs = 5.5V, V– < V
CM
< V+ 48 dB
INPUT BIAS CURRENT
(1)
Input Bias Current I
b
±0.5 ±10 pA
Input Offset Current I
OS
±0.5 ±10 pA
INPUT IMPEDANCE
Differential 10
13
|| 3 Ω || pF
Common-Mode 10
13
|| 6 Ω || pF
NOISE V
CM
< (V+) – 1.7V
Input Voltage Noise, f = 0.1Hz to 10Hz 12 µV
PP
Input Voltage Noise Density, f = 1kHz e
n
60 nV/√Hz
Input Current Noise Density, f = 1kHz i
n
0.7 fA/√Hz
OPEN-LOOP GAIN
Open-Loop Voltage Gain A
OL
V
S
= 5.5V, R
L
= 100kΩ, 0.015V < V
O
< 5.485V 100 115 dB
over Temperature
V
S
= 5.5V, R
L
= 100k Ω , 0.015V < V
O
< 5.485V 88 dB
V
S
= 5.5V, R
L
= 5kΩ, 0.125V < V
O
< 5.375V 100 115 dB
over Temperature
V
S
= 5.5V, R
L
= 5k Ω , 0.125V < V
O
< 5.375V 88 dB
A
OL
(SC-70 only) V
S
= 5.5V, R
L
= 5kΩ 0.125V < V
O
< 5.375V 96 115 dB
OUTPUT
Voltage Output Swing from Rail R
L
= 100kΩ, A
OL
> 100dB 5 15 mV
over Temperature R
L
= 100kΩ, A
OL
> 88dB 15 mV
R
L
= 5kΩ, A
OL
> 100dB 90 125 mV
over Temperature R
L
= 5kΩ, A
OL
> 88dB 125 mV
Short-Circuit Current I
SC
±17 mA
Capacitive Load Drive C
LOAD
See Typical Characteristics
FREQUENCY RESPONSE C
L
= 100pF
Gain-Bandwidth Product GBW 350 kHz
Slew Rate SR G = +1 0.17 V/µs
Settling Time, 0.1% t
S
V
S
= 5V, 2V Step, G = +1 21 µs
0.01% V
S
= 5V, 2V Step, G = +1 27 µs
Overload Recovery Time V
IN
× Gain = V
S
23 µs
POWER SUPPLY
Specified Voltage Range V
S
2.5 5.5 V
Minimum Operating Voltage 2.3 V
Minimum Operating Voltage (OPA347SA) 2.4 V
Quiescent Current (per amplifier) I
Q
I
O
= 0 20 34 µA
over Temperature 38
µA
TEMPERATURE RANGE
Specified Range –55 125 °C
Operating Range –65 150 °C
Storage Range –65 150 °C
Thermal Resistance
θ
JA
SOT23-5 Surface-Mount 200 °C/W
SOT23-8 Surface-Mount 150 °C/W
SO-8 Surface-Mount 150 °C/W
SO-14 Surface-Mount 100 °C/W
TSSOP-14 Surface-Mount 100 °C/W
DIP-8 100 °C/W
SC70-5 Surface-Mount 250 °C/W
WCSP 250 °C/W