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Part Name(s) : AN17830A
Panasonic Corporation
Panasonic Corporation
Description : AN17830A

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Unisonic Technologies
Unisonic Technologies
Description : DUAL 2.2W Audio Amplifier PLUS STEREO HEADPHONE FUNCTION

■ DESCRIPTION
The UTC LM4863 is a dual bridge-connected Audio Power Amplifier. It combines dual bridge speaker Amplifiers and stereo headphone Amplifiers on one chip to simplify Audio system design. In addition, the headphone input pin allows the Amplifiers to operate in single-ended mode when driving stereo headphones.
The IC could deliver different Power by packages as below (when connected to a 5V supply with less than 1.0% THD+N.):

   - HTSSOP-20, 4Ω load: 2.2W
   - HTSSOP-20, 3Ω load: 2.5W(with forced-air cooled)
   - SOP/DIP , 8Ω load: 1.1W.

The UTC LM4863 features an externally controlled, low-Power consumption shutdown mode, a stereo headphone Amplifier mode, and thermal shutdown protection. It also utilizes circuitry to reduce “clicks and pops” during device turn-on.

■ FEATURES
* “Click and pop” suppression circuitry
* Thermal shutdown protection circuitry
* Unity-gain stable
* Stereo headphone Amplifier mode

Description : DUAL 2.2W Audio Amplifier PLUS STEREO HEADPHONE FUNCTION

■ DESCRIPTION
The UTC LM4863 is a dual bridge-connected Audio Power Amplifier. It combines dual bridge speaker Amplifiers and stereo headphone Amplifiers on one chip to simplify Audio system design. In addition, the headphone input pin allows the Amplifiers to operate in single-ended mode when driving stereo headphones.
The IC could deliver different Power by packages as below (when connected to a 5V supply with less than 1.0% THD+N.):

   - HTSSOP-20, 4Ω load: 2.2W
   - HTSSOP-20, 3Ω load: 2.5W(with forced-air cooled)
   - SOP/DIP , 8Ω load: 1.1W.

The UTC LM4863 features an externally controlled, low-Power consumption shutdown mode, a stereo headphone Amplifier mode, and thermal shutdown protection. It also utilizes circuitry to reduce “clicks and pops” during device turn-on.

■ FEATURES
* “Click and pop” suppression circuitry
* Thermal shutdown protection circuitry
* Unity-gain stable
* Stereo headphone Amplifier mode

Part Name(s) : TDA7220 TDA7220M
First Components International
First Components International
Description : Dual Low-Voltage Power Amplifier

Dual Low-voltage Power Amplifier

The TDA7220M is a monolithic integrated circuit in 8 lead Minidip package. It is intended for use as dual Audio Power Amplifier in portable cassette player and radios.

Features
• Supply Voltage Down to 1.8V
• Low Crossover Distorsion
• Low Quiescent Current
• Bridge or Stereo Configuration

Description : ANGULAR HALL SENSOR / ENCODER

DESCRIPTION
The CMOS device iC-MA consists of a quadruple Hall sensor array which has been optimized for the magnetic measurement of angles of rotation. This array permits error-tolerant adjustment of the magnet, reducing assembly efforts. The integrated signal conditioning unit provides a differential sine/cosine signal at the output. The sensor generates one sine cycle per each full rotation of the magnet, enabling the angle to be clearly determined. At the same time the internal amplitude control unit produces an regulated output amplitude of 2 Vpp regardless of variations in the magnetic field strength, supply voltage and temperature. Furthermore, signals are provided which enable the sensor amplitude to be assessed and also report any magnet loss.

FEATURES
♦ Quadruple Hall sensor array for error-tolerant adjustment
♦ Non-sensitive to magnetic stray fields due to differential
   measurement technique
♦ Interpolator with a resolution of up to 256 angle steps per cycle
♦ Rotational speeds up to 60 000 rpm
♦ 4 buffered I/O stages for signal outputs
♦ Three configuration inputs for operating mode selection
♦ Analog operation modes:
   - sine/cosine signals controlled to 2 Vpp
   - triangle or sawtooth signal with selectable amplitude
♦ Digital operation modes:
   - A/B quadrature signals with Z index pulse
   - Counter pulses for external binary counters
♦ Cascading of multiple iC-MA possible for chain operation
♦ Error signal output for detection of low magnetic field strength
♦ Additional operating modes with reduced Power consumption
♦ Standby mode when not enabled
♦ Extended temperature range of -40...+125 °C

APPLICATIONS
♦ Analog and digital angle sensors
♦ Incremental angular encoders
♦ Magnetic multiturn encoders
♦ Potentiometer replacement
♦ Contactless rotary switch
♦ Commutation of brushless DC motors
♦ Flow meter

Part Name(s) : AN17810A
Panasonic Corporation
Panasonic Corporation
Description : Audio Power Amplifier IC

AN17810A is Audio Power Amplifier IC.



„Features : Dual 6.5 W Audio Power Amplifier, with muting circuit and standby circuit.



„Applications : For low frequency Amplifier



„Package : SIL-12 pin plastic package (Power-type with fin)



„Type : Silicon monolithic bipolar IC




Tiger Electronic
Tiger Electronic
Description : DUAL Power Amplifier

GENERAL DESCRIPTION
The TDA2822 is a monolithic integrated circuit in 8 lead Minidip package. It is intended for use as dual Audio Power Amplifier in portable cassette tape players and radios.

FEATURES
● Dual Low-voltage Power Amplifier
● Supply voltage down to 1.8V
● Low crossover distortion
● Low quiescent current
● Bridge or stereo configuration

Description : P-TYPE LASER DIODE DRIVER

FEATURES
✦ Peak value controlled laser driver for operation from CW up to
   155 MHz
✦ Spike-free switching of laser currents of up to 300 mA
✦ Setting of laser Power (APC) via external resistor
✦ Optional current control (ACC)
✦ Laser current limitation
✦ LVDS/TTL switching input with TTL monitor output
✦ Low current consumption sleep-mode < 50 µA
✦ Safety shutdown with overtemperature
✦ Error signal output with overtemperature, undervoltage and
   overcurrent
✦ All current LD types can be used (P/M/N configurations)
✦ Fast soft-start
✦ Strong suppression of transients with small external capacitors

APPLICATIONS
✦ Pulsed and CW laser diode
   modules
✦ Laser diode pointers
✦ Laser levels
✦ Bar-code readers
✦ Distance measurement

Description : DUAL CW P-TYPE LASER DIODE DRIVER

FEATURES
✦ Dual channel CW operation with up to 750 mA per channel
✦ Up to 1500 mA with both channels combined
✦ 2.8 V to 11 V Power supply
✦ Operation with or without µController
✦ Individual enable input per channel
✦ Individual laser Power supply per channel
✦ Control loop accuracy better than 1%
✦ Internal programmable logarithmic monitor resistor
✦ Operating point setup with 10 bit logarithmic resolution
✦ ACC or APC mode individually configurable for each channel
✦ A/D converters for analog monitoring
✦ Serial programming interface (SPI or I2C compliant)
✦ Configuration content verification and validation
✦ Programmable laser overcurrent protection
✦ Optimized for P-type laser diodes
✦ Low drop linear regulator for 3.3 V
✦ Low current standby mode
✦ Temperature monitor
✦ Temperature range -40 . . . 85 °C

APPLICATIONS
✦ Laser diode and LED modules
✦ CW P-type laser diode drivers
✦ Embedded laser diode controllers
✦ Structured-light 3D illuminations
✦ Multiple laser diode control
✦ Optical amplification/pumping
✦ Safety related laser controllers

Description : 15 V CW P-TYPE LASER DIODE DRIVER

FEATURES
✦ Optimised for P-type laser diodes (case grounded)
✦ CW operation up to 350 mA from 3 to 15 V supply voltage
✦ Rapid soft start after Power-on
✦ Simple Power adjustment via an external resistor
✦ Control loop accuracy better than 2% with changes in
   temperature, supply voltage and load current
✦ Integrated reverse polarity protection for the iC and laser diode
✦ Strong suppression of transients with small external
   capacitors; integrated flyback path
✦ Permanent shutdown with excessive chip temperature and
   overcurrent (i.e. if the laser diode is damaged or the feedback
   current path fails)
✦ Second feedback input MDA also permits the operation of
   N-type laser diodes
✦ Modulation via the feedback inputs possible
✦ Wide monitor current range from 2.5 µA to 6.25 mA

APPLICATIONS
✦ Laser diode modules
✦ Laser diode pointers
✦ Pilot lasers
✦ Laser levels
✦ Barcode readers
✦ Distance measuring sensors

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