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| OA1NP Datasheet, PDF (7/31 Pages) STMicroelectronics – Rail-to-rail input and output | |||
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OA1NP, OA2NP, OA4NP
Electrical characteristics
VCC+ = 3.3 V with VCC- = 0 V, Vicm = VCC/2, Tamb = 25 ° C, and RL = 1 Mï connected to
VCC/2 (unless otherwise specified)
Symbol
Table 5. Electrical characteristics
Parameter
Conditions
Min. Typ. Max. Unit
DC performance
Vio Input offset voltage
ïVio/ïT
ïVio
Input offset voltage drift
Long-term input offset
voltage drift
-40 °C < T< 85 °C
-40 °C < T< 85 °C
T = 25 °C(1)
Iio
Input offset current(2)
-40 °C < T< 85 °C
Iib
CMR
Avd
VOH
VOL
Iout
ICC
Input bias current(2)
-40 °C < T< 85 °C
Common mode rejection
ratio 20 log (ïVicm/ïVio)
Vicm = 0 to 2.1 V, Vout = VCC/2
-40 °C < T< 85 °C
Vicm = 0 to 3.3 V, Vout = VCC/2
-40 °C < T< 85 °C
Large signal voltage gain
Vout = 0.3 V to (VCC+ - 0.3 V)
RL= 100 kï
-40 °C < T< 85 °C
High level output voltage
(drop from VCC+)
RL = 100 kï
-40 °C < T< 85 °C
Low level output voltage
RL = 100 kï
-40 °C < T< 85 °C
Output sink current
Vout = VCC, VID= -200 mV
-40 °C < T< 85 °C
Output source current
Vout = 0 V, VID = + 200 mV
-40 °C < T< 85 °C
Supply current (per channel) No load, Vout = VCC/2
-40 °C < T< 85 °C
AC performance
GBP
Fu
ïm
Gm
Gain bandwidth product
Unity gain frequency
Phase margin
Gain margin
RL = 1 Mï, CL = 60 pF
-3
0.1
3
mV
-3.4
3.4
5
ïV/°C
0.36
---------ï-----V------------
month
1
5
30
pA
1
5
30
70
92
70
60
77
60
dB
105 120
105
40
40
mV
40
40
6
9
6
mA
8
11
8
600 800
nA
850
8
kHz
8
60
degrees
11
dB
DocID025993 Rev 2
7/31
31
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