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Part: SA58605D
Category:
Analog & Mixed-Signal Processing
-> Amplifiers
-> Operational Amplifiers
Description: SA58605; Dual Operational Amplifier And 2.5 V Shunt Regulator;; Package: SOT23-5 (SO5)
Company: Philips Semiconductors
Datasheet: Download SA58605D datasheet File size : 70 kB
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Datasheet text preview:
INTEGRATED CIRCUITS
SA58605 Dual operational amplifier and 2.5 V shunt regulator
Product data 2002 Mar 25
Philips Semiconductors
Philips Semiconductors
Product data
Dual operational amplifier and 2.5 V shunt regulator
SA58605
DESCRIPTION
The SA58605 incorporates two op amps and 2.5 V shunt regulator in an unique circuit configuration. The output of the device is inverted when the inverting inputs of either or both op amps exceed the internally set reference voltages at their non-inverting inputs. Amp "A" is referenced to 2.5 V while Amp "B" is referenced to 154 mV. The SA58605 incorporates a "NOR logic" configuration with these specific gate levels. SA58605 supports voltage control and sensor applications such as AC adapter, switch mode power supply and battery chargers. It is available in the 5 leaded, SOT23-5 surface mount package.
FEATURES
· Low input bias current: 30 nA typ. · Low operating supply current: 1.2 mA typ. · Reference voltages at non-inverting inputs:
Amp "A" at 2.5 V typ. Amp "B" at 154 mV
APPLICATIONS
· AC adapter and battery charger · Switched Mode Power Supply (SMPS) · Control voltage/sensor
SIMPLIFIED DEVICE DIAGRAM
VCC 5 AIN 4
4000 AMP A 46920 AMP B
3080
1 OUT
2 GND
3 BIN
SL01618
Figure 1. Simplified system diagram.
2002 Mar 25
2
8532334 27919
Philips Semiconductors
Product data
Dual operational amplifier and 2.5 V shunt regulator
SA58605
ORDERING INFORMATION
TYPE NUMBER NUMBER SA58605D PACKAGE NAME SOT23-5, SOT25, SO5 DESCRIPTION plastic small outline package; 5 leads (see dimensional drawing) TEMPERATURE RANGE 40 to +85 °C
Part number marking
The package is marked with a four letter code. The first three letters designate the product. The fourth letter, represented by `x', is a date tracking code. Part Number SA58605D Marking AJAx
PIN CONFIGURATION
INTERNAL EQUIVALENT CIRCUIT
VCC 5 AIN 4
OUT
1
5
V CC
GND
2
SA58605
4 AIN
4000 AMP A
BIN
3
46920
AMP B
SL01613
3080
Figure 2. Pin configuration.
1 2 GND 3 BIN
PIN DESCRIPTION
PIN 1 2 3 4 5 SYMBOL OUT GND BIN AIN VCC Output. Ground. Amp B inverting input. Non-inverting input internally set at 154 mV reference voltage. Amp A inverting input. Non-inverting input internally set at 2.5 V reference voltage. Positive supply. DESCRIPTION
OUT
SL01618
Figure 3. Internal equivalent circuit.
2002 Mar 25
3
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