OPA349, 2349
4
SBOS121B
www.ti.com
PARAMETER CONDITION MIN TYP
(1)
MAX UNITS
OFFSET VOLTAGE
Input Offset Voltage V
OS
V
S
= 5V, V
CM
= 2.5V ±2 ±10 mV
Over Temperature
±2 ±13 mV
Drift dV
OS
/dT ±15 µV/°C
vs Power Supply PSRR V
S
= 1.8V to 5.5V, V
CM
= (V–) + 0.3V 350 1000 µV/V
Over Temperature 3000 µV/V
Channel Separation, dc R
L
= 100kΩ 10 µV/V
f = 1kHz 66
(1)
dB
INPUT VOLTAGE RANGE
Common-Mode Voltage Range V
CM
(V–) – 0.2 (V+) + 0.2 V
Common-Mode Rejection Ratio CMRR V
S
= +5V, –0.2V < V
CM
< 5.2V 48 60 dB
Over Temperature 46 dB
V
S
= +5V, –0.2V < V
CM
< 3.5V 52 72 dB
Over Temperature 50 dB
INPUT BIAS CURRENT
Input Bias Current I
B
±0.5 ±10 pA
Input Offset Current I
OS
±1 ±10 pA
INPUT IMPEDANCE
Differential 10
13
|| 2 Ω || pF
Common-Mode 10
13
|| 4 Ω || pF
NOISE
Input Voltage Noise, f = 0.1Hz to 10Hz 8 µVp-p
Input Voltage Noise Density, f = 1kHz e
n
300 nV/√Hz
Current Noise Density, f = 1kHz i
n
4fA/√Hz
OPEN-LOOP GAIN
Open-Loop Voltage Gain A
OL
R
L
= 1MΩ, V
S
= +5.5V, +0.3V < V
O
< +5.2V
74 90 dB
Over Temperature 72 dB
Open-Loop Voltage Gain A
OL
R
L
= 10kΩ, V
S
= +5.5V, +0.35V < V
O
< +5.15V
74 90 dB
Over Temperature 60 dB
OUTPUT
Voltage Output Swing from Rail R
L
= 1MΩ, V
S
= +5.5V, A
OL
> 74dB 150 300 mV
Over Temperature 300 mV
R
L
= 10kΩ, V
S
= +5.5V, A
OL
> 74dB 200 350 mV
Over Temperature 350 mV
Output Current ±8mA
Short-Circuit Current I
SC
±10 mA
FREQUENCY RESPONSE C
L
= 10pF
Gain-Bandwidth Product GBW G = +1 70 kHz
Slew Rate SR V
S
= +5V, G = +1 0.02 V/µs
Settling Time, 0.1% t
S
V
S
= 5V, 1V Step 65 µs
0.01% V
S
= 5V, 1V Step 80 µs
Overload Recovery Time V
IN
• Gain = V
S
5 µs
POWER SUPPLY
Specified Voltage Range V
S
+1.8 +5.5 V
Quiescent Current (per amplifier) I
Q
I
O
= 0 1 2 µA
Over Temperature 10
µA
TEMPERATURE RANGE
Specified Range –40 +70 °C
Operating Range –40 +85 °C
Storage Range –65 +150 °C
Thermal Resistance
θ
JA
SOT23-8 Surface-Mount 200 °C/W
SO-8 Surface-Mount 150 °C/W
NOTE: (1) Refer to Typical Characteristic curves.
OPA2349
ELECTRICAL CHARACTERISTICS (Dual): V
S
= +1.8V to +5.5V
Boldface limits apply over the specified temperature range, T
A
= –40°C to +70°C.
At T
A
= +25°C, and R
L
= 1MΩ connected to V
S
/2, unless otherwise noted.
