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| OPA340-EP_15 Datasheet, PDF (3/19 Pages) Texas Instruments – SINGLE-SUPPLY RAIL-TO-RAIL OPERATIONAL AMPLIFIERS | |||
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OPA340-EP
www.ti.com
SBOS433A â AUGUST 2008 â REVISED APRIL 2011
ELECTRICAL CHARACTERISTICS: VS = 2.7 V to 5 V
Over specified temperature range (TA = â55°C to 125°C), VS = 5 V, RL = 10 k⦠connected to VS/2, VOUT = VS/2 (unless
otherwise noted)
PARAMETER
CONDITIONS
MIN
TYP
MAX UNIT
OFFSET VOLTAGE
Input offset voltage
vs temperature
vs power supply
Channel separation, dc
VOS VS = 5 V
dVOS/dT
PSRR VS = 2.7 V to 5.5 V, VCM = 0 V
TA = 25°C
TA = Full range
±150
±2.5
30
0.2
±500
±1600
150
μV
μV
μV/°C
μV/V
μV/V
INPUT BIAS CURRENT
Input bias current
IB
Input offset current
IOS
NOISE
±0.2
±500 pA
±0.2
±600 pA
Input voltage noise, f = 0.1 kHz to 50
kHz
8
μVrms
Input voltage noise density, f = 1 kHz
en
Current noise density, f = 1 kHz
in
INPUT VOLTAGE RANGE
25
nV/âHz
3
fA/âHz
Common-mode voltage range
Common-mode rejection ratio
INPUT IMPEDANCE
VCM
CMRR â0.3 V < VCM < (V+) â 1.8 V
VS = 5 V, â0.3 V < VCM < 5.3 V
VS = 2.7 V, â0.3 V < VCM < 3 V
TA = 25°C
TA = Full range
TA = 25°C
TA = Full range
TA = 25°C
â0.3
(V+) + 0.3
V
78
92
dB
75
dB
70
84
dB
64
dB
66
80
dB
Differential
1013 ⥠3
⦠⥠pF
Common-mode
1013 ⥠6
⦠⥠pF
OPEN-LOOP GAIN
Open-loop voltage gain
FREQUENCY RESPONSE
AOL RL = 100 kâ¦, 10 mV < VO < (V+) â 10 mV
RL = 10 kâ¦, 70 mV < VO < (V+) â 70 mV
RL = 2 kâ¦, 250 mV < VO < (V+) â 250 mV
103
124
dB
98
120
dB
92
114
dB
Gain-bandwidth product
GBW G = 1
5.5
MHz
Slew rate
Settling time, 0.1%
Settling time, 0.01%
Overload recovery time
Total harmonic distortion + noise
SR VS = 5 V, G = 1, CL = 100 pF
VS = 5 V, 2-V Step, CL = 100 pF
VS = 5 V, 2-V Step, CL = 100 pF
VIN ⢠G = VS
THD+N VS = 5 V, VO = 3 VPP (1), G = 1, f = 1 kHz
6
1
1.6
0.2
0.0007
V/μs
μs
μs
μs
%
(1) VOUT = 0.25 V to 3.25 V
Copyright © 2008â2011, Texas Instruments Incorporated
3
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