AK2358F

AK2358F Datasheet

[AK2358FI

Part	Datasheet
AK2358F	AK2358F (pdf)

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ASAHI KASEI [AK2358FI Base-band 1S1 for kopian Cordless Telephones CTl, CT1+ •1 Meets to the specification of the europian cordless telephones CT1, CT1+ •1 Built-in voice filter for cordless telephone, MSK MODEM 2400bps , COMPANDOR, and scrambler circuit •1 Low / wide operation voltage range V to 5.5V •1 Built-in COMPANDOR output transient response circuit and time constant circuit •1 No external component is needed for COMPANDOR •1 Built-in buffer amplifier for ceramic receiver driving. •1 Built-in electronic volume for microphone sensitivity and modulator/demodulator sensitivity •1 Receiving level switchable in 8 steps -12 to +9dB •1 Built-in u uting function for voice transmitting and receiving •1 External adjustment for the limiter level •1 Built-in amplifier for transmission and reception gain adjustment •1 Low power CMOS and power-down function u Built-in 3.58MHz oscillator circuit •1 Scrambler circuit with frequency inversion. Two inversion frequencies can be selected. •1 Bypassing the scrambler circuit available u Built-in frame detection function for the MSK demodulator u Control register and MSK MODEM data buffer controlled by serial interface •1 Few external component is necessary resulting cost reduction and small set size. El Package 24 pin VSOP Block Diagram IT Data/Rx Data Control data !rane d e t e c t i o n Receiver control register i and data buffer !4S1 MODEM splatter f i lter Transmission signal output 3 .58NHz Reception signal input 0152 E 00 Eecept inn nutput 1996/12 u-l w TXINO TXIN TXHPF +VR1 Compressor A TDATA ~a TCLK OIR SCLK 01/0 ROF/FD Control > register and data buffer ~ MSK _ Modulator Scrambler Preemphasis~

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ASAHI KASEI
[AK2358FI

Base-band 1S1 for kopian Cordless Telephones CTl, CT1+
•1 Meets to the specification of the europian cordless telephones CT1, CT1+
•1 Built-in voice filter for cordless telephone, MSK MODEM 2400bps , COMPANDOR, and
scrambler circuit
•1 Low / wide operation voltage range V to 5.5V
•1 Built-in COMPANDOR output transient response circuit and time constant circuit
•1 No external component is needed for COMPANDOR
•1 Built-in buffer amplifier for ceramic receiver driving.
•1 Built-in electronic volume for microphone sensitivity and modulator/demodulator
sensitivity
•1 Receiving level switchable in 8 steps -12 to +9dB
•1 Built-in u uting function for voice transmitting and receiving
•1 External adjustment for the limiter level
•1 Built-in amplifier for transmission and reception gain adjustment
•1 Low power CMOS and power-down function u Built-in 3.58MHz oscillator circuit
•1 Scrambler circuit with frequency inversion. Two inversion frequencies can be selected.
•1 Bypassing the scrambler circuit available u Built-in frame detection function for the MSK demodulator u Control register and MSK MODEM data buffer controlled by serial interface
•1 Few external component is necessary resulting cost reduction and small set size.

El Package 24 pin VSOP

Block Diagram

IT Data/Rx Data

Control data
!rane d e t e c t i o n Receiver
control register i and data buffer
!4S1 MODEM
splatter f i lter

Transmission signal output
3 .58NHz

Reception signal input
0152 E 00

Eecept inn nutput
1996/12
u-l w

TXINO

TXIN

TXHPF +VR1

Compressor A

TDATA ~a

TCLK OIR

SCLK
01/0 ROF/FD

Control
> register and
data buffer
~ MSK
_ Modulator

Scrambler Preemphasis~

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Datasheet ID: AK2358F 515862