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| OPA2325 Datasheet, PDF (5/32 Pages) Texas Instruments – Precision, 10-MHz, Low-Noise, Low-Power, RRIO, CMOS Operational Amplifier | |||
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www.ti.com
OPA2325
SBOS637 â OCTOBER 2016
6.5 Electrical Characteristics: VS = 2.2 V to 5.5 V or ±1.1 V to ±2.75 V
at TA = 25°C, RL = 10 kΩ connected to VS / 2, VCM = VS / 2, and VOUT = VS / 2 (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
OFFSET VOLTAGE
VOS
Input offset voltage
40
dVOS/dT Input offset voltage drift
VS = 5.5 V, TA = â40°C to +125°C
2
PSRR
Power-supply rejection ratio
VS = 2.2 V to +5.5 V
6
VS = 2.2 V to 5.5 V, TA = â40°C to +125°C
15
Channel separation
At 1 kHz
130
INPUT VOLTAGE
VCM
CMRR
Common-mode voltage range
Common-mode rejection ratio
INPUT BIAS CURRENT
(Vâ) â 0.1
VS = 5.5 V, (Vâ) â 0.1 V < VCM < (V+) + 0.1 V
TA = â40°C to +125°C
100
114
95
±0.2
IB
Input bias current
TA = â40°C to +85°C
TA = â40°C to +125°C
±0.2
IOS
NOISE
Input offset current
TA = â40°C to +85°C
TA = â40°C to +125°C
Input voltage noise
f = 0.1 Hz to 10 Hz
2.8
f = 1 kHz
10
en
Input voltage noise density
f = 10 kHz
9
in
Input current noise density
f = 1 kHz
1.3
INPUT CAPACITANCE
Differential
5
Common-mode
4
OPEN-LOOP GAIN
AOL
Open-loop voltage gain
PM
Phase margin
FREQUENCY RESPONSE (VS = 5.0 V, CL = 50 pF)
GBP
Gain bandwidth product
0.1 V < VO < (V+) â 0.1 V, RL = 10 kΩ
0.1 V < VO < (V+) â 0.1 V, RL = 10 kΩ,
TA = â40°C to +125°C
0.2 V < VO < (V+) â 0.2 V, RL = 2 kΩ
G = 1 V/V, VS = 5 V, CL = 15 pF
Unity gain
105
130
95
128
100
110
67
10
SR
Slew rate
G = +1
5
To 0.1%, 2-V step, G = +1
0.6
tS
Settling time
To 0.01%, 2-V step, G = +1
1
THD+N
Overload recovery time
Total harmonic distortion + noise(1)
VIN Ã G > VS
VO = 4 VPP, G = +1, f = 10 kHz, RL = 10 kΩ
VO = 2 VPP, G = +1, f = 10 kHz, RL = 600 Ω
200
0.0005%
0.005%
MAX
150
7.5
20
(V+) + 0.1
±10
±500
±10
±10
±500
±10
UNIT
µV
µV/°C
µV/V
dB
V
dB
pA
nA
pA
nA
µVPP
nV/âHz
fA/âHz
pF
pF
dB
Degrees
MHz
V/μs
µs
ns
(1) Third-order filter; bandwidth = 80 kHz at â3 dB.
Copyright © 2016, Texas Instruments Incorporated
Product Folder Links: OPA2325
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