OPA313 Datasheet, PDF (3/36 Pages) Texas Instruments – 1-MHz, Micro-Power, Low-Noise, RRIO,1.8-V CMOS OPERATIONAL AMPLIFIER

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OPA313
OPA2313
OPA4313
SBOS649C – SEPTEMBER 2012 – REVISED MARCH 2013
ELECTRICAL CHARACTERISTICS: +5.5 V⁽¹⁾
At T_A = +25 °C, R_L = 10 kΩ connected to V_S / 2, and V_CM = V_OUT = V_S / 2, unless otherwise noted.
OPA313, OPA2313, OPA4313
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
OFFSET VOLTAGE
V_OS
dV_OS/dT
PSRR
Input offset voltage
vs Temperature
vs power supply
Channel separation, dc
T_A = –40°C to +125°C
T_A = –40°C to +125°C
At dc
0.5
2.5
2
74
90
10
INPUT VOLTAGE RANGE
V_CM
Common-mode voltage range
CMRR
Common-mode rejection ratio
INPUT BIAS CURRENT
No phase reversal, rail-to-rail input
T_A = –40°C to +125°C,
(V_S–) – 0.2 V < V_CM < (V_S+) – 1.3 V
T_A = –40°C to +125°C,
V_CM = –0.2 V to 5.7 V
(V–) – 0.2
70
64
(V+) + 0.2
85
80
±0.2
±10
I_B
Input bias current
T_A = –40°C to +85°C⁽²⁾
T_A = –40°C to +125°C⁽²⁾
±50
±600
±0.2
±10
I_OS
NOISE
Input offset current
T_A = –40°C to +85°C⁽²⁾
T_A = –40°C to +125°C⁽²⁾
±50
±600
Input voltage noise (peak-to-
peak)
f = 0.1 Hz to 10 Hz
6
f = 10 kHz
22
e_n
Input voltage noise density
f = 1 kHz
25
i_n
Input current noise density
f = 1 kHz
5
INPUT CAPACITANCE
Differential
1
C_IN
Common-mode
5
OPEN-LOOP GAIN
A_OL
Open-loop voltage gain
Phase margin
0.05 V < V_O < (V+) – 0.05 V, R_L = 100 kΩ
T_A = –40°C to +125°C, 0.1 V < V_O < (V+) – 0.1 V
0.3 V < V_O < (V+) – 0.3 V, R_L = 2 kΩ
V_S = 5.0 V, G = +1
90
104
104
116
100
110
65
UNIT
mV
μV/°C
dB
µV/V
V
dB
dB
pA
pA
pA
pA
pA
pA
μV_PP
nV/√Hz
nV/√Hz
fA/√Hz
pF
pF
dB
dB
dB
degrees
(1) Parameters with minimum or maximum specification limits are 100% production tested at +25ºC, unless otherwise noted. Over
temperature limits are based on characterization and statistical analysis.
(2) Specified by design and characterization; not production tested.
Copyright © 2012–2013, Texas Instruments Incorporated
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