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Low-Power, Single-Supply
Op Amp + Comparator + Reference
Product Profile
     Reference articles
General Description:
The CN951 features combinations of a low power operational amplifier, comparator and reference in an 8-pin SOP
package. In the CN951, the comparator’s inverting input is connected to an internal 1.211V ±2% bandgap reference.
The CN951 operates from a single 2.5V to 5.5V supply with a typical supply current of 15uA. Both the op amp and
comparator feature a common-mode input voltage range that extends from the negative supply rail to the positive
supply rail, as well as output stages that swing Rail-to-Rail.The op amp in the CN951 is internally compensated to
be unity-gain stable with 20V/ms 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. In addition,the comparator contains
a ±7mV (14mV) internal hysteresis to ensure clean output switching, even with slow-moving input signals.
Instruments, Terminals, and Bar-Code Readers Battery-Powered Systems
Automotive Keyless Entry Low-Frequency, Local-Area Alarms/Detectors
Photodiode Preamps Smart Cards
Infrared Receivers for Remote Controls Smoke Detectors and Safety Sensors
Op Amp + Comparator + Reference
Operating Current: 15uA
Rail-to-Rail Inputs and Outputs
2.5V to 5.5V Supply Voltage Range
Unity-Gain Stable
Internal 1.211V ±2% Bandgap Reference
Internal Comparator Hysteresis: ±7mV(14mV)
Op Amp Capable of Driving up to 1nF Load
Operating Temperature Range: -40℃ to 85℃
Available in SOP8 Package
Lead-free, Rohs-compliant and Halogen-free
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