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NXP Semiconductors - Low power dual operational amplifi

Numéro de référence LM158
Description Low power dual operational amplifi
Fabricant NXP Semiconductors 
Logo NXP Semiconductors 





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LM158 fiche technique
Philips Semiconductors
Low power dual operational amplifiers
Product specification
NE/SA/SE532/
LM158/258/358/A/2904
DESCRIPTION
The 532/358/LM2904 consists of two independent, high gain,
internally frequency-compensated operational amplifiers internally
frequency-compensated operational amplifiers designed specifically
to operate from a single power supply over a wide range of voltages.
Operation from dual power supplies is also possible, and the low
power supply current drain is independent of the magnitude of the
power supply voltage.
UNIQUE FEATURES
In the linear mode the input common-mode voltage range includes
ground and the output voltage can also swing to includes ground
and the output voltage can also swing to ground, even though
operated from only a single power supply voltage. The unity gain
cross frequency is temperature-compensated. The input bias current
is also temperature-compensated.
FEATURES
Internally frequency-compensated for unity gain
Large DC voltage gain—100dB
Wide bandwidth (unity gain)—1MHz (temperature-compensated)
PIN CONFIGURATIONS
D, FE, N Packages
OUTPUT A 1
8 V+
INVERTING INPUT A 2
NON INVERTING INPUT A 3
A B 7 OUTPUT B
–+ +–
6 INVERTING INPUT B
V– 4
5 NON INVERTING INPUT B
Figure 1. Pin Configuration
SL00282
Wide power supply range single supply—3VDC to 30VDC or dual
supplies—±1.5VDC to ±15VDC
Very low supply current drain (400µA)—essentially independent of
supply voltage (1mW/op amp at +5VDC)
Low input biasing current—45nADC temperature-compensated
Low input offset voltage—2mVDC and offset current—5nADC
Differential input voltage range equal to the power supply voltage
Large output voltage—0VDC to V+ 1.5VDC swing
EQUIVALENT CIRCUIT
v+
6µA
100µA
6µA
CC
Q5
Q6
Q7
Q2 Q3
Q1 Q4
INPUTS
+
Q8 Q9
RSC
OUTPUT
Q11
Q10 Q12
Q13
50µA
Figure 2. Equivalent Circuit
SL00283
1995 Nov 27
1 853-1241 16050

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