Datasheet

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ELECTRICAL CHARACTERISTICS: V
S
= 2.7V to 5V
OPA340
OPA2340
OPA4340
SBOS073B – SEPTEMBER 1997 – REVISED NOVEMBER 2007
BOLDFACE limits apply over the specified temperature range, T
A
= – 40 ° C to +85 ° C. V
S
= 5V.
At T
A
= +25 ° C, R
L
= 10k Ω connected to V
S
/2, and V
OUT
= V
S
/2, unless otherwise noted.
OPA340NA, PA, UA
OPA2340EA, PA, UA
OPA4340EA, UA
PARAMETER CONDITIONS MIN TYP
(1)
MAX UNIT
OFFSET VOLTAGE
Input Offset Voltage V
OS
V
S
= 5V ± 150 ± 500 µ V
vs Temperature dV
OS
/dT ± 2.5 µ V/ ° C
vs Power Supply PSRR V
S
= 2.7V to 5.5V, V
CM
= 0V 30 120 µ V/V
Over Temperature V
S
= 2.7V to 5.5V, V
CM
= 0V 120 µ V/V
Channel Separation, dc 0.2 µ V/V
INPUT BIAS CURRENT
Input Bias Current I
B
± 0.2 ± 10 pA
Over Temperature ± 60 pA
Input Offset Current I
OS
± 0.2 ± 10 pA
NOISE
Input Voltage Noise, f = 0.1kHz to 50kHz 8 µ Vrms
Input Voltage Noise Density, f = 1kHz e
n
25 nV/ √ Hz
Current Noise Density, f = 1kHz i
n
3 fA/ √ Hz
INPUT VOLTAGE RANGE
Common-Mode Voltage Range V
CM
– 0.3 (V+) + 0.3 V
Common-Mode Rejection Ratio CMRR – 0.3V < V
CM
< (V+) – 1.8V 80 92 dB
V
S
= 5V, – 0.3V < V
CM
< 5.3V 70 84 dB
V
S
= 2.7V, – 0.3V < V
CM
< 3V 66 80 dB
INPUT IMPEDANCE
Differential Ω pF
10
13
3
Common-Mode Ω pF
10
13
6
OPEN-LOOP GAIN
Open-Loop Voltage Gain A
OL
R
L
= 100k Ω , 5mV < V
O
< (V+) – 5mV 106 124 dB
Over Temperature R
L
= 100k Ω , 5mV < V
O
< (V+) – 5mV 106 dB
R
L
= 10k Ω , 5mV < V
O
< (V+) – 50mV 100 120 dB
Over Temperature R
L
= 10k Ω , 5mV < V
O
< (V+) – 50mV 100 dB
R
L
= 2k Ω , 200mV < V
O
< (V+) – 200mV 94 114 dB
Over Temperature R
L
= 2k Ω , 200mV < V
O
< (V+) – 200mV 94 dB
FREQUENCY RESPONSE
Gain-Bandwidth Product GBW G = 1 5.5 MHz
Slew Rate SR V
S
= 5V, G = 1, C
L
= 100pF 6 V/ µ s
Settling Time, 0.1% V
S
= 5V, 2V Step, C
L
= 100pF 1 µ s
Settling Time, 0.01% V
S
= 5V, 2V Step, C
L
= 100pF 1.6 µ s
Overload Recovery Time V
IN
• G = V
S
0.2 µ s
Total Harmonic Distortion + Noise THD+N V
S
= 5V, V
O
= 3V
PP
(2)
, G = 1, f = 1kHz 0.0007 %
(1) V
S
= +5V.
(2) V
OUT
= 0.25V to 3.25V.
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