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OPA314 Datasheet, PDF (4/35 Pages) Texas Instruments – 3-MHz, Low-Power, Low-Noise, RRI/O, 1.8-V CMOS OPERATIONAL AMPLIFIER
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OPA314
OPA2314
OPA4314
SBOS563D – MAY 2011 – REVISED MARCH 2012
www.ti.com
ELECTRICAL CHARACTERISTICS: VS = +1.8 V to +5.5 V(1) (continued)
Boldface limits apply over the specified temperature range: TA = –40°C to +125°C.
At TA = +25 °C, RL = 10 kΩ connected to VS/2, VCM = VS/2, and VOUT = VS/2, unless otherwise noted.
OPA314, OPA2314, OPA4314
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
FREQUENCY RESPONSE
GBW
SR
tS
THD+N
Gain-bandwidth product
Slew rate(3)
Settling time
Overload recovery time
Total harmonic distortion +
noise (4)
VS = 1.8 V, RL = 10 kΩ, CL = 10 pF
VS = 5.0 V, RL = 10 kΩ, CL = 10 pF
VS = 5.0 V, G = +1
To 0.1%, VS = 5.0 V, 2-V step , G = +1
To 0.01%, VS = 5.0V, 2-V step , G = +1
VS = 5.0 V, VIN × Gain > VS
VS = 5.0 V, VO = 1 VRMS, G = +1, f = 1 kHz, RL = 10 kΩ
2.7
3
1.5
2.3
3.1
5.2
0.001
OUTPUT
VO
Voltage output swing from supply
rails
Over temperature
ISC
Short-circuit current
RO
Open-loop output impedance
POWER SUPPLY
VS = 1.8 V, RL = 10 kΩ
VS = 5.5 V, RL = 10 kΩ
VS = 1.8 V, RL = 2 kΩ
VS = 5.5 V, RL = 2 kΩ
VS = 5.5 V, RL = 10 kΩ
VS = 5.5 V, RL = 2 kΩ
VS = 5.0 V
VS = 5.5 V, f = 100 Hz
5
15
5
20
15
30
22
40
30
60
±20
570
VS
Specified voltage range
IQ
Quiescent current per amplifier
Over temperature
Power-on time
TEMPERATURE
OPA314, OPA2314, OPA4314, VS = 1.8 V, IO = 0 mA
OPA2314, OPA4314, VS = 5.0 V, IO = 0 mA
OPA314, VS = 5.0 V, IO = 0 mA
VS = 5.0 V, IO = 0 mA
VS = 0 V to 5 V, to 90% IQ level
1.8
5.5
130
180
150
190
150
210
220
44
Specified range
–40
+125
Operating range
–40
+150
Storage range
–65
+150
UNIT
MHz
MHz
V/μs
μs
μs
μs
%
mV
mV
mV
mV
mV
mV
mA
Ω
V
µA
µA
µA
µA
µs
°C
°C
°C
(3) Signifies the slower value of the positive or negative slew rate.
(4) Third-order filter; bandwidth = 80 kHz at –3 dB.
4
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