OPA2314-Q1 Datasheet, PDF (4/28 Pages) Texas Instruments – 3-MHz, Low-Power, Low-Noise, RRIO, 1.8-V CMOS Operational Amplifier

OPA2314-Q1
SLOS896A – DECEMBER 2014 – REVISED JANUARY 2015
6.3 Recommended Operating Conditions
Over operating free-air temperature range (unless otherwise noted)
V_S
Supply voltage
T_A
Ambient operating temperature
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MIN
1.8 (±0.9)
–40
NOM
MAX
5.5 (±2.75)
125
UNIT
V
°C
6.4 Thermal Information
THERMAL METRIC⁽¹⁾
D
8 PINS
UNIT
R_θJA
R_θJC(top)
R_θJB
ψ_JT
ψ_JB
Junction-to-ambient thermal resistance
Junction-to-case (top) thermal resistance
Junction-to-board thermal resistance
Junction-to-top characterization parameter
Junction-to-board characterization parameter
138.4
89.5
78.6
29.9
78.1
°C/W
(1) For more information about traditional and new thermal metrics, see the IC Package Thermal Metrics application report, SPRA953.
6.5 Electrical Characteristics
At T_A = 25 °C, R_L = 10 kΩ connected to V_S / 2, V_CM = V_S / 2, and V_OUT = V_S / 2, V_S = 1.8 V to 5.5 V, unless otherwise noted.
The phrase over temperature refers to values over the specified temperature range of T_A = –40°C to 125°C.⁽¹⁾
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX UNIT
OFFSET VOLTAGE
V_OS
dV_OS/dT
Input offset voltage
Input offset voltage vs
temperature
V_CM = (V_S+) – 1.3 V
0.5
2.5
mV
1
μV/°C
PSRR
vs power supply
Input offset voltage over
temperature
V_CM = (V_S+) – 1.3 V
78
92
dB
74
dB
Channel separation, DC At DC
10
µV/V
INPUT VOLTAGE RANGE
V_CM
Common-mode voltage
range
(V–) – 0.2
(V+) + 0.2
V
CMRR
Common-mode rejection
ratio
V_S = 1.8 V to 5.5 V, (V_S–) – 0.2 V < V_CM < (V_S+) – 1.3 V
V_S = 5.5 V, V_CM = –0.2 V to 5.7 V⁽²⁾
75
96
66
80
dB
dB
Common-mode rejection
ratio over temperature
V_S = 1.8 V, (V_S–) – 0.2 V < V_CM < (V_S+) – 1.3 V
V_S = 5.5 V, (V_S–) – 0.2 V < V_CM < (V_S+) – 1.3 V
V_S = 5.5 V, V_CM = –0.2 V to 5.7 V⁽²⁾
70
86
dB
73
90
dB
60
dB
INPUT BIAS CURRENT
I_B
Input bias current
Input bias current over
temperature
±0.2
±10
pA
±600
pA
I_OS
Input offset current
Input offset current over
temperature
±0.2
±10
pA
±600
pA
NOISE
Input voltage noise (peak-
to-peak)
f = 0.1 Hz to 10 Hz
5
μV_PP
e_n
Input voltage noise
density
f = 10 kHz
f = 1 kHz
13
nV/√Hz
14
nV/√Hz
i_n
Input current noise density f = 1 kHz
5
fA/√Hz
(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.
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