Telecommunication Circuit & Radio Circuit

___Other Application IC > Telecommunication Circuit & Radio Circuit___

___Part No.___ ______ (勾選方式)	___Function___ ______ (勾選方式)	___Features___	___VCC(V)___	___Package___ ______ (勾選方式)
___LS1240A___	___Ringer___	___Electronic Tone Ringer with Built-in Bridge Rectifier___ ______ ___* Low current consumption.___ ___* Integrated rectifier bridge with zener diodes to overvoltage___ ___Protection.___ ___* Minimum external circuitry.___ ___* Both frequencies of tone and switching are adjustable by external components.___ ___* Integrated voltage and current hysteresis.___	___26___	___DIP-8___ ___SOP-8___
___31002A___	___Ringer___	___Telephone Tone Ringer___ ______ ___Designed for telephone bell replacement.___ ___Low current drain for multiple extension of lines.___ ___Adjustable 2-frequency tone.___ ___Adjustable warbling rate.___ ___Built-in hysteresis prevents false triggering and rotary dial___ ___'CHIRPS'.___ ___Programmable for initiation current by simple external resistor___	___29___	___DIP-8___ ___SOP-8___
___TA31001___	___Ringer___	___Telephone Tone Ringer___ ______ ___Designed for Telephone Bell Replacement.___ ___Low Current Drain for Multiple Extension of Lines.___ ___Adjustable 2-Frequency Tone.___ ___Adjustable Warbling Rate.___ ___Built-in Hysteresis Prevents False Triggering and Rotary Dial 'CHIRPS'.___ ___Programmable for Initiation Voltage by Simple External Resistor.___	___29___	___DIP-8___
___TA31002___	___Ringer___	___Telephone Tone Ringer___ ______ ___Current consumption is small. (at no-load)___ ___Package is compaction. (DIP-8 pin)___ ___Oscillation frequency is variable.___ ___Built-in threshold circuits prevent false triggering due___ ___to power noise as well as “chirps” due to rotary dial.___ ___*Few external components.___	___29___	___DIP-8___
___TEA1062N/AN___	___Telephone Speech IC___	___Low Voltage Transmission Circuit with Dialler Interface___ ______ ___* Low d.c. line voltage; operates down to 1.6V___ ___(excluding polarity guard).___ ___* Voltage regulator with adjustment static resistance.___ ___* Provides supply with limited current for external circuitry.___ ___* Symmetrical high-impedance inputs (64kΩ)___ ___for dynamic, magnetic or piezoelectric microphones.___ ___* Asymmetrical high-impedance inputs (32kΩ)___ ___for electrets microphones.___ ___* DTMF signal input with confidence tone.___ ___* Mute input for pulse or DTMF dialing.___ ___* Receivering amplifier for several types of earphones.___ ___* Large amplification setting range on microphone and earpiece___ ___amplifiers.___ ___* Line loss compensation facility, line current depedant___ ___(microphone and earpiece amplifiers).___ ___* Gain control adaptable to exchange supply.___ ___* Possibility to adjust the d.c. line voltage___	___12___	___DIP-16___ ___SOP-16___
___TEA1110A___	___Telephone Speech IC___	___Low Voltage Versatile Telephone Transmission Circuit___ ___with Dialler Interface___ ______ ___Low DC line voltage; operates down to 1.6V (excluding voltage___ ___drop over external polarity guard)___ ___* Voltage regulator with adjustable DC voltage___ ___* Provides a supply for external circuits___ ___* Symmetrical high impedance inputs (64kΩ) for dynamic, magnetic___ ___or piezo-electric microphones___ ___* Asymmetrical high impedance input (32kΩ) for electric___ ___microphones___ ___* DTMF input with confidence tone___ ___* MUTE input for pulse or DTMF dialling___ ___* Receiving amplifier for dynamic, magnetic or piezo-electric___ ___earpieces___ ___* AGC line loss compensation for microphone and earpiece___ ___amplifiers.___	___12___	___DIP-14___ ___SOP-14___
___L6726___	___Telephone Speech IC___	___Universal Speech Circuit___ ______ ___Minimum number of inexpensive external components, 5___ ___capacitors and 11 resistors.___ ___Mute function for operation with DTMF-generator.___ ___Transmit and receive gain regulation for automatic loop loss___ ___compensation.___ ___Extended current and voltage range 5~130mA, down to 2V.___ ___Differential microphone input for good balance to ground.___ ___Balanced receiver output stage.___ ___Short start-up time.___ ___Stabilized DC-supply for low current CMOS dialers and/or___ ___electret microphones.___ ___*DTMF-input controlled by mute.___	___22___	___SOP-18___ ___DIP-18___
___L38812___	___Voice Switched Speaker-phone IC___	___Voice Switch Circuit for Handsfree Speakerphone TAM___ ______ ___* Low power consumption, 1.0mA in all at the typical voltage___ ___3.3V___ ___* Background noise compensation in the transmitting channel___ ___with hold function.___ ___* Good noise performance.___ ___* The least external components needed for function.___ ___* Settable gain dynamics (25 or 50dB)___ ___* Balanced inputs of both the channel input amplifiers.___	___3.3___	___SOP-16___
___MC34118___	___Voice Switched Speaker-phone IC___	___Voice Switched Speaker-Phone Circuit___ ______ ___* Attenuator gain range: 52dB (between Transmit and Receive)___ ___* For line-powered applications : 3~6.5V low voltage operation___ ___* For improved sensitivity :4-point signal sensing___ ___* For Transmit and Receive paths: background noise monitors___ ___* External resistors set microphone amplifier gain___ ___* Mute function included___ ___* Chip disable: active or standby operation___ ___* During dial tone presence: dial tone detector to inhibit receive idle___ ___mode___	___3.5 ~ 6.5___	___SSOP-28___ ___SOP-28___ ___SDIP-28___ ___DIP-28___
___MC34118A___	___Voice Switched Speaker-phone IC___	___Voice Switched Speaker-Phone Circuit___ ______ ___* Attenuator gain range: 52dB (between Transmit and Receive)___ ___* For line-powered applications : 3.5~6.0V low voltage operation___ ___* For improved sensitivity :4-point signal sensing___ ___* For Transmit and Receive paths: background noise monitors___ ___* External resistors set microphone amplifier gain___ ___* Mute function included___ ___* Chip disable: active or standby operation___ ___* During dial tone presence: dial tone detector to inhibit receive idle___ ___mode___	___3.5 ~ 6.0___	___SOP-28___
___MC33218___	___Voice Switched Speaker-phone IC___	___Voice Switched Speaker-Phone with Microprocessor Interface___ ______ ___* Supply Voltage Range: 2.7V ~ 6.5V___ ___* Attenuator Range: 53 or 27 dB (selectable)___ ___* 2 Point Sensing with background Noise monitor in each path___ ___* Microprocessor port for control of:___ ___Volume control(40dB range over 16 levels)___ ___Mute microphone amplifier___ ___Force to receive transmit, or idle modes___ ___Attenuator range selection(27 or 53dB)___ ___includes are amplifiers, attenuators, level detectors and control algorithm___ ___ A dial tone detector prevents fading of dial tone.___ ___* A chip disable pin permits conserving power when the circuit is not in use.___ ___* The data port can be operated at up to 1.0MHz___ ___* I t can be used in conjunction with a variety of speech networks.___	___2.7~6.5___	___DIP-24___ ___SOP-24___
___MC34018___	___Voice Switched Speaker-phone IC___	___Voice Switched Speaker-Phone Circuit___ ______ ___* Chip Select pin for Power conservation (active/standby mode).___ ___* Integrated all necessary active circuitry for a hand-free telephone___ ___into one single chip.___ ___* Operating under wide dynamic range through signal compression___ ___technology.___ ___* Build-In voltage regulators illuminate external regulators for lining___ ___operation.___ ___* Monitoring system for background noise level.___ ___* Background sound level compensation for transmit and___ ___receive levels as well as the background level.___ ___* Power audio amplifier for typical 100mW output (into 25Ω) with___ ___peak limiting for speaker to minimize distortion.___ ___* Volume control function for external volume control circuit.___	___6.0~11.0___	___DIP-28___ ___SOP-28___ ___SSOP-28___ ___SDIP-28___
___UA31136___	___For Cordless Phone___	___FM IF Detector IC for Cordless Telephone___ ______ ___* Low operation voltage: VCC = 1.8 ~ 5.5V___ ___* Excellent temperature characteristics___ ___* High sensitivity 12dB sensitivity: 11dBμV EMF (Input 50Ω)___ ___* High intercept point: 96dBμV (Input 50Ω)___ ___* Quadrature detector, both ceramic and coil discriminators are usable.___ ___* Built-in 2nd MIX Operating frequency: 10 ~ 100MHz___ ___* Built-in noise detection circuit___ ___* RSSI function___	___1.8~5.5___	___TSSOP-16　___
___MC3361BP___	___For Cordless Phone___	___Low Voltage/Power Narrow Band FM IF___ ______ ___Low power consumption (4.0mA typ. at Vcc=4.0V)___ ___Excellent input sensitivity(-3dB limiting, 2.0Vrms typ.)___ ___Minimum number of external components required.___ ___Operating Voltage: 2.5~7.0V___	___2.5~7.0___	___DIP-16___ ___SOP-16___ ___TSSOP-16___
___3362___	___For Cordless Phone___	___Low Power FSK IF IC___ ______ ___* Operation Voltage: 3.5V ~ 5.5V___ ___* Low current consumption: 2.1mA@ VDD=3.5V___ ___* Operating frequency up to 30MHz___ ___* Single chip FSK receiver___ ___* -102dBm sensitivity (BER=10E-3)___ ___* Full ESD protection___	___3.5~5.5___	___SOP-8___
___8507___	___For Cordless Phone___	___4mA Compander___ ______ ___* Wide Supply Voltage (2.4 ~ 7V )___ ___* Easy Gain Control___ ___* Mute/Bypath Logic___ ___* Data In/Out Pin___	___7.0___	___DIP-20___ ___SOP-20___
___UTA31101___	___For Cordless Phone___	___Compander IC For Cordless Telephone___ ______ ___* Wide operating supply voltage range: VCC=1.8~9V___ ___* For noise reduction, compressor and expandor are incorporated into a package.___ ___* Low operating supply voltage and small consumption current___ ___make this IC suitable for its application to the sets using the___ ___battery such as the codeless telephone set. etc.___ ___VCC(MIN)=1.8V (TA=25°C___ ___ICCQ=2.7mA (Typ.) (VCC=3V, TA=25°C)___ ___* Recommendable operating supply voltage: VCC=3V___	___9.0___	___DIP-16___ ___SOP-16___ ___TSSOP-16___
___L2572___	___Radio Circuit___	___Wideband Pll FM Demodulator___ ______ ___* Constant voltage and constant current control___ ___* Single chip PLL system for wideband FM demodulation___ ___* Simple low component count application___ ___* Allows for application of threshold extension___ ___* Fully balanced low radiation design___ ___* High operating input sensivity___ ___* Improved VCO stability with variations in supply or___ ___temperature___ ___* AGC detect and bias adjust___ ___* 75Ω video output drive with low distortion levels___ ___* Dynamic self biasing analog AFC___ ___* Full ESD Protection___	___7.0___	___SOP-16　___
___LAG665F___	___Radio Circuit___	___1-Chip Radio and Cassette Circuit Recorder.___ ______ ___1-Chip stereo tape recorder with motor speed controller.___ ___Operating supply voltage range: VCC=2~5V___ ___*Good volume control___	___7.5___	___SOP-28___
___7642___	___Radio Circuit___	___1-Chip AM Radio Circuit___ ______ ___Low operating voltage: Down to VCC=1.3V___ ___Low Quiescent Current: ICCO=0.2mA___ ___*Low external component required.___	___6.0___	___TO-92___ ___SOT-23___
___TA7613AP___	___Radio Circuit___	___1-Chip AM/FM Radio IC___ ______ ___Low external components count.___ ___Wide operating voltage: 3 - 13 V.___ ___Internal regulated supply for constant current operation.___ ___DC selection of AM/FM mode.___	___11.0___	___DIP-16___
___A6043___	___Radio Circuit___	___FM Stereo Multiplex___ ______ ___* Low and wide operation: VCC= 3V~12V___ ___* High pilot lamp ON sensitivity: VL(ON) = 9mVrms (Typ.)___ ___* Suitable for LED driving: ILAMP = 20mA (Max.)___ ___* Recommendable input voltage range: VIN = 200~700mVrms___ ___* Low distortion: THD = 0.08% (Typ.) at VIN = 200mVrms(Stereo)___ ___* VCO stop capability stereo lamp and turn off are simultaneously___ ___operated by connect pin 7 to VCC.___ ___* Easy adjustment (The monitored free running frequency of VCO___ ___is 38kHz at pin 6.)___	___12.0___	___SIP-9___
___A6225___	___Radio Circuit___	___Dual Pre-Amplifier___ ______ ___* Dual pre amplifier for cat or home stereo use.___ ___* High voltage gain: GVO = 100dB (Typ.) at f= 1kHz.___ ___* Excellent channel separation and high ripple rejection___ ___: CS = 65dB(Typ.)___ ___(f = 10kHz, RG = 2.2kΩ, VOUT= 0dBm)___ ___: RR = 50dB(Typ.)___ ___* Low noise: VNI = 1.0μV(Typ.) at RG = 2.2kΩ, Bw =20Hz~20kHz___ ___* Wide operating supply voltage range: VCC = 6~16V (TA = 25°C)___	___16.0___	___SIP-9___
___BA3308___	___Radio Circuit___	___Dual Pre-Amplifier with ALC___ ______ ___* Wide operating power supply voltage range___ ___(VCC =4.5V ~ 14V)___ ___* Power-on mute circuit to avoid “pop” noise generation.___ ___* No input coupling capacitors are necessary___ ___* High gain (GVO=80dB)and low noise (VNIN=1μVrms)___ ___* Low distortion (THD=0.1%)___ ___* Good ALC channel balance with built-in ALC rectifier diode___ ___* Adjustable ALC dynamic range by external input resistor.___	___16.0___	___TSSOP-14___ ___SOP-14___ ___SIP-9___
___KA22241___	___Radio Circuit___	___Dual Equalizer Amplifier with ALC___ ______ ___* Dual equalizer amplifier with built-in ALC circuit___ ___* Low noise VNI=1.0μV(Typical)___ ___* High open loop voltage gain: Gv=80dB(Typical)___ ___* Good ALC response balance between channels___ ___* Not necessary the input coupling capacitor___ ___* Not necessary the diode or transistor for ALC___ ___* Built in power supply muting circuit___ ___* Minimum number of external parts required___	___16.0___	___SOP-14___ ___SIP-9___
___UTC571N___	___Radio Circuit___	___Compandor___ ______ ___* Complete compressor and expandor in one Chip___ ___* Temperature compensated___ ___* Greater than 110dB dynamic range___ ___* Operates down to 6VDC___ ___* System levels adjustable with external components___ ___* Distortion may be trimmed out___ ___* Dynamic noise reduction systems___ ___* Voltage-controlled amplifier___	___6.0 ~ 18___	___SOP-16___ ___SOP-16(W)___

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