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Unisonic Technologies |
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 resi |
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Unisonic Technologies |
LOW POWER OPERATIONAL AMPLIFIERS * Dual supply operation from ±2V to ±18V * High slew rate: 2.0V/µs * Large output voltage swing * 600Ω output drive capability * Low offset voltage: 0.15mV (Mean) * Low total harmonic distortion: 0.0024% (@ 1.0 kHz w/600Ω load) * High gain bandwidth: |
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Unisonic Technologies |
LOW VOLTAGE/POWER NARROW BAND FM IF *Low power consumption (4.0mA typ. at Vcc=4.0V) *Excellent input sensitivity (-3dB limiting, 2.0µVrms typ.) *Minimum number of external components required. *Operating Voltage:2.5~7.0V DIP-16 APPLICATIONS *Cordless phone (for home use) *FM dual con |
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Unisonic Technologies |
DC TO DC CONVERTER CONTROLLER *Operation from 3.0V to 40V. *Short circuit current limiting. *Low standby current. *Output switch current of 1.5A without external transistors. *Frequency of operation from 100Hz to 100kHz. *Step-up, step-down or inverting switch regulators. DIP-8 |
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Unisonic Technologies |
DC to DC Converter Controller *Operation from 3.0V to 40V. *Short circuit current limiting. *Low standby current. *Output switch current of 1.5A without external transistors. *Frequency of operation from 100Hz to 100kHz. *Step-up, step-down or inverting switch regulators. DIP-8 |
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Unisonic Technologies |
DUAL LOW NOISE OPERATIONAL AMPLIFIERS * Dual supply operation from: ±5.0 V to ±18 V * Low input offset voltage: 0.15mV * Large output voltage swing: +14.1V/ -14.6V * High slew rate: 7.0V/µs * Low voltage noise: 4.5nV/ Hz * Low total harmonic distortion: 0.002% * High gain bandwidth produ |
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Unisonic Technologies |
LOW INPUT OFFSET VOLTAGE OPERATIONAL AMPLIFIERS * Single (or dual) supply operation from +3 V to +36V (±1.5V~±18V) * Large output voltage swing: +14.1V/-14.6V * Input offset voltage trimmed to 100µV (Typ) * Very low input bias current: 300nA * Very low input offset current: 3.0nA * High input resi |
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Unisonic Technologies |
VOICE SWITCHED SPEAKER-PHONE CIRCUIT *All necessary level detection and attenuation controls for a hand-free telephone included. *Background noise level monitoring with long time constant. *Background sound level compensation for transmit and receive levels as well as the background lev |
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Unisonic Technologies |
DC TO DC CONVERTER CONTROLLER *Operation from 3.0V to 40V. *Short circuit current limiting. *Low standby current. *Output switch current of 1.5A without external transistors. *Frequency of operation from 100Hz to 100kHz. *Step-up, step-down or inverting switch regulators. DIP-8 |
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Unisonic Technologies |
HIGH SLEW RATE/ WIDE BANDWIDTH/ SINGLE SUPPLY OPERATIONAL AMPLIFIERS *Wide bandwidth: 4.5 MHz *High slew rate: 13V/µs *Fast settling time:1.1µs to 0.1% *Wide single supply operation: 3.0V to 44V *Wide input common mode voltage range: Includes Ground (VEE) *Low input offset voltage: 3.0mV maximum *Large output voltage |
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Unisonic Technologies |
LOW POWER AUDIO AMPLIFIER *Wide operating supply voltage: Vcc=2V~16V *Low quiescent supply current( Icc=2.7mA, typ) *Medium output power( Po=250mW at Vcc=6V, RL=32ohm, THD=10%) *Load impedance range(8 to 100ohm) *Low distortion *Mute function(Icc=65µA, typ) *Minimum number of |
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