+ Reference. CN958 Datasheet

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CN958 Datasheet
Recommendation CN958 Datasheet
Part CN958
Description Single-Supply Op Amp + Reference
Feature CN958; CONSONANCE Low-Power, Single-Supply Op Amp + Reference CN958 General Description The CN958 feature.
Manufacture CONSONANCE
Datasheet
Download CN958 Datasheet




CONSONANCE CN958
CONSONANCE
Low-Power, Single-Supply Op Amp + Reference
CN958
General Description
The CN958 features combinations of a low power
operational amplifier and bandgap reference in an
6-pin SOT23 package. The CN958 operates from a
single 2.5V to 5.5V supply with a typical supply
current of 60uA. The op amp features a
common-mode input voltage range that extends from
the negative supply rail to the positive supply rail, as
well as output stage that swings Rail-to-Rail.
The op amp in the CN958 is internally compensated
to be unity-gain stable with 0.6V/uS slew rate. The
op amp has a unique output stage that enables it to
operate with a low supply current while maintaining
linearity under loaded conditions. In addition, the
device has been designed to exhibit good DC
characteristics over the entire operating temperature
range.
The device is available in 6 pin SOT23 package.
Features
Op Amp + Bandgap Reference
Operating Current: 60uA@4V
Rail-to-Rail Input and Output
2.5V to 5.5V Supply Voltage Range
Internally Frequency Compensated for
Unity-Gain Stable
Internal 1.205V ±2% Bandgap Reference
Op Amp Capable of Driving up to 200pF Load
Operating Temperature Range:
40to 85
Available in SOT23-6 Package
Lead-free, Rohs-compliant and Halogen-free
Applications
Instruments, Terminals, and Bar-Code Readers
Battery-Powered Systems
Automotive Keyless Entry
Low-Frequency, Local-Area Alarms/Detectors
Photodiode Preamplifiers
Audio Preamplifiers
Infrared Receivers for Remote Controls
Smoke Detectors and Safety Sensors
Pin Assignment
AMPIN+ 1
GND 2
AMPOUT 3
6 AMPIN-
CN958
5 REF
4 VCC
www.consonance-elec.com
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Rev 1.0



CONSONANCE CN958
CONSONANCE
Typical Application Circuit
Figure 1 Typical Application Circuit
Ordering Information
Part No.
CN958
Package
Shipping
Operating Temperature Range
SOT23-6 Tape and Reel, 3000/Reel
40to 85
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Rev 1.0



CONSONANCE CN958
CONSONANCE
Block Diagrams
Figure 2 Block Diagram
Pin Description
Pin No.
1
2
3
4
Symbol
AMPIN+
GND
AMPOUT
VCC
5 REF
6 AMPIN-
Description
Non-inverting Op Amp Input.
Negative Terminal of Power Supply or Ground.
Op Amp Output.
Positive Terminal of Power Supply.
Reference Voltage Output. The reference voltage is 1.205V
typical with ±2% accuracy.
Inverting Op Amp Input.
ABSOLUTE MAXIMUM RATINGS
Terminal Voltage (With Respect to GND)
VCC..............…...…......-0.3V to +6.5V
The other Pins……..…....-0.3V to VCC
Input/Output Current
All Pins……………....................20mA
Short-Circuit Duration
REF and AMPOUT……….Continuous
Maximum Junction Temperatures...........+150°C
Thermal Resistance…………………....200°C/W
Operating Temperature.…..….…....-40 to +85°C
Storage Temperature.......…….......-65 to +150°C
Lead Temperature (soldering, 10s) ..........+260°C
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device.
These are stress ratings only, and functional operation of the device at these or any other conditions beyond
those indicated in the operational sections of the specifications is not implied. Exposure to absolute maximum
rating conditions for extended periods may affect device reliability.
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Rev 1.0







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