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| OPA187_17 Datasheet, PDF (7/35 Pages) Texas Instruments – Drift, Low Power, Rail-to-Rail Output 36-V Operational Amplifiers Zero-Drift Series | |||
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www.ti.com
OPA187, OPA2187, OPA4187
SBOS807 â DECEMBER 2016
6.6 Electrical Characteristics: Low-Voltage Operation
at TA = +25°C, VS = ±2.25 V to < ±4 V (VS = +4.5 V to < 8 V), RL = 10 kΩ connected to VS / 2(1), and VCM = VOUT = VS / 2(1)
(unless otherwise noted)
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNIT
OFFSET VOLTAGE
VOS
Input offset voltage
PSRR
Power-supply rejection ratio
INPUT BIAS CURRENT
TA = â40°C to +125°C
VS = 4.5 V to 36 V,
TA = â40°C to +125°C
±1
±0.005
±0.01
±15
±0.05
±1
μV
μV/°C
μV/V
IB
IOS
NOISE
Input bias current
Input offset current
VCM = VS / 2
TA = â40°C to +125°C
TA = â40°C to +125°C
±100
±100
±350
pA
±5
nA
±500
pA
±5
nA
en
Input voltage noise
f = 0.1 Hz to 10 Hz
f = 0.1 Hz to 10 Hz
0.4
µVPP
60
nVrms
Input voltage noise density
f = 1 kHz
20
nV/âHz
in
Input current noise density
INPUT VOLTAGE RANGE
f = 1 kHz
160
fA/âHz
VCM
CMRR
Common-mode voltage range
Common-mode rejection ratio
INPUT IMPEDANCE
(Vâ) â 0.1 V < VCM < (V+) â 2 V, VS =
±2.25 V
(Vâ) < VCM < (V+) â 2 V, VS = ±2.25 V,
TA = â40°C to +125°C
(Vâ) â 0.1
114
120
(V+) â 2
V
130
dB
137
dB
ZID
Differential
ZIC
Common-mode
100 || 6
6 || 4.2
MΩ || pF
1012 Ω || pF
OPEN-LOOP GAIN
TA = â40°C to +125°C, VS = ±2.25 V
AOL
Open-loop voltage gain
to ±4 V, (Vâ) + 0.3 V < VO < (V+) â 0.3
120
140
dB
V, RL = 10 kâ¦
FREQUENCY RESPONSE
GBW
Gain-bandwidth product
550
kHz
SR
tOR
THD+N
OUTPUT
Slew rate
Overload recovery time
Total harmonic distortion + noise
VO = 1-V step, G = 1
VIN Ã G = VS
1 kHz, G = 1, VOUT = 1 Vrms, No Load
0.2
8
0.05%
V/μs
μs
Voltage output swing from rail
VS = ±2.25 V to ±4 V, No Load
VS = ±2.25 V to ±4 V, RL = 10 kΩ
VS = ±2.25 V to ±4 V, RL = 10 kΩ, TA =
â40°C to +125°C
5
15
15
25
mV
15
30
ISC
Short-circuit current
RO
Open-loop output resistance
CLOAD
Capacitive load drive
POWER SUPPLY
VS = ±2.25, Sinking
VS = ±2.25, Sourcing
f = 550 kHz, IO = 0, See Figure 21
â20
mA
+20
mA
1.4
kΩ
See Typical Characteristics
IQ
Quiescent current (per amplifier)
VS = ±2.25 V to VS = ±4 V
IO = 0 mA, TA = â40°C to +125°C
100
145
μA
150
μA
(1) VS / 2 = midsupply.
Copyright © 2016, Texas Instruments Incorporated
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Product Folder Links: OPA187 OPA2187 OPA4187
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