Datasheet

OPA342, 2342, 4342
2
SBOS106A
SPECIFICATIONS: V
S
= 2.7V to 5.5V
At T
A
= +25°C, R
L
= 10kΩ connected to V
S
/2 and V
OUT
= V
S
/2, unless otherwise noted.
Boldface limits apply over the temperature range, T
A
= –40°C to +85°C.
OPA342NA, UA
OPA2342EA, UA
OPA4342EA, UA, PA
PARAMETER CONDITION MIN TYP MAX UNITS
OFFSET VOLTAGE
Input Offset Voltage V
OS
V
CM
= V
S
/2 ±1 ±6mV
T
A
= –40°C to +85°C ±1 ±6mV
vs Temperature dV
OS
/dT ±3 µV/°C
vs Power Supply PSRR V
S
= 2.7V to 5.5V, V
CM
< (V+) -1.8V 30 200 µV/V
T
A
= –40°C to +85°CV
S
= 2.7V to 5.5V, V
CM
< (V+) -1.8V 250 µV/V
Channel Separation, dc 0.2 µV/V
f = 1kHz 132 dB
INPUT BIAS CURRENT
Input Bias Current I
B
±0.2 ±10 pA
T
A
= –40°C to +85°C See Typical Curve 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
30 nV/√Hz
Current Noise Density, f = 1kHz i
n
0.5 fA/√Hz
INPUT VOLTAGE RANGE
Common-Mode Voltage Range V
CM
–0.3 (V+) + 0.3 V
Common-Mode Rejection Ratio CMRR V
S
= +5.5V, –0.3V < V
CM
< (V+) - 1.8 76 88 dB
T
A
= –40°C to +85°CV
S
= +5.5V, –0.3V < V
CM
< (V+) - 1.8 74 dB
Common-Mode Rejection Ratio CMRR V
S
= +5.5V, –0.3V < V
CM
< 5.8V 66 78 dB
T
A
= –40°C to +85°CV
S
= +5.5V, –0.3V < V
CM
< 5.8V 64 dB
Common-Mode Rejection Ratio CMRR V
S
= +2.7V, –0.3V < V
CM
< 3V 62 74 dB
T
A
= –40°C to +85°CV
S
= +2.7V, –0.3V < V
CM
< 3V 60 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, 10mV < V
O
< (V+) – 10mV 104 124 dB
T
A
= –40°C to +85°CR
L
= 100kΩ, 10mV < V
O
< (V+) – 10mV 100 dB
R
L
= 5kΩ, 400mV < V
O
< (V+) – 400mV 96 114 dB
T
A
= –40°C to +85°CR
L
= 5kΩ, 400mV < V
O
< (V+) – 400mV 90 dB
FREQUENCY RESPONSE C
L
= 100pF
Gain-Bandwidth Product GBW G = 1 1 MHz
Slew Rate SR 1 V/µs
Settling Time, 0.1% V
S
= 5.5V, 2V Step 5 µs
0.01% V
S
= 5.5V, 2V Step 8 µs
Overload Recovery Time V
IN
• G = V
S
2.5 µs
Total Harmonic Distortion + Noise, f = 1kHz THD+N V
S
= 5.5V, V
O
= 3Vp-p
(1)
, G = 1 0.006 %
OUTPUT
Voltage Output Swing from Rail
(2)
R
L
= 100kΩ, A
OL
≥ 96dB 1 mV
R
L
= 100kΩ, A
OL
≥ 104dB 3 10 mV
T
A
= –40°C to +85°CR
L
= 100kΩ, A
OL
≥ 100dB 10 mV
R
L
= 5kΩ, A
OL
≥ 96dB 20 400 mV
T
A
= –40°C to +85°CR
L
= 5kΩ, A
OL
≥ 90dB 400 mV
Short-Circuit Current I
SC
Per Channel ±15 mA
Capacitive Load Drive C
LOAD
See Typical Curve
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
= 0A 150 250 µA
T
A
= –40°C to +85°C 300 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
SO-8 Surface Mount 150 °C/W
TSSOP-14 Surface Mount 100 °C/W
SO-14 Surface Mount 100 °C/W
DIP-14 100 °C/W
NOTES: (1) V
OUT
= 0.25V to 3.25V. (2) Output voltage swings are measured between the output and power-supply rails.