AK2307

AK2307 Datasheet

[AK2307/LV]

Part	Datasheet
AK2307	AK2307 (pdf)

Related Parts	Information
AK2307LV	AK2307LV

PDF Datasheet Preview
ASAHI KASEI [AK2307/LV] AK2307/LV SPEECH CODEC for Digital Key telephone 5.0V/3.3V GENERAL DISCREPTION AK2307/LV is an integrated LSI with PCM CODEC, Voice path control, MIC amplifier and Handset driver suitable for PBX/KTS digital key telephone, VoIP Telephone. PCM CODEC is compliant to ITU specification, very low noise, and low power dissipation CODEC. A-law and u-law selectable through Serial I/F register. PCM I/F provides Long/Short frame format and GCI. The output is 8bit compressed data along with 16bit linear format. Voice path block consists of Tone generator, Volume for both TX and RX, Analog inputs, outputs for Handset speaker and the speaker for hands-free conversation, and the path control switch. Side tone can be added internally and its volume is controlled through serial I/F. - 2 MIC AMP for the handset and microphone are integrated. - A 150 ohm handset driver and an extra 150 ohm driver for a headset receiver are provided. - Path control and volume control via serial CPU I/F - programmable tone generator - 5.0V+/-5%, 3.3V+/-0.3V single power supply - Low noise, low power consumption Package 28pin VSOP package - Package size 9.8*7.6mm pin to pin - Pin pitch; 0.65mm MS0199-E-04 1 2005/12 ASAHI KASEI BLOCK DIAGRAM [AK2307/LV] Handset Mic I/F HANDT4 HANDT1 HANDT2 HANDT3 upto +25dB Amp1 +14dB SW1 +14dB SW2 +0dB Amp3 VOL1 16 steps by 1dB +7 to -8dB Back ground Noise ATT TX Digital Attenuator 8 steps by 3dB 0 to -21dB Linear A/u External Mic I/F MIC3 MIC1 MIC2 Amp2 DAOUT RAIN Handset Receiver output HANDR

PDF Datasheet Preview

ASAHI KASEI
[AK2307/LV]

AK2307/LV

SPEECH CODEC for Digital Key telephone 5.0V/3.3V

GENERAL DISCREPTION

AK2307/LV is an integrated LSI with PCM CODEC, Voice path control, MIC amplifier and Handset driver suitable for PBX/KTS digital key telephone, VoIP Telephone.

PCM CODEC is compliant to ITU specification, very low noise, and low power dissipation CODEC. A-law and u-law selectable through Serial I/F register. PCM I/F provides Long/Short frame format and GCI. The output is 8bit compressed data along with 16bit linear format.

Voice path block consists of Tone generator, Volume for both TX and RX, Analog inputs, outputs for Handset speaker and the speaker for hands-free conversation, and the path control switch. Side tone can be added internally and its volume is controlled through serial I/F.
- 2 MIC AMP for the handset and microphone are integrated.
- A 150 ohm handset driver and an extra 150 ohm driver for a headset receiver are provided.
- Path control and volume control via serial CPU I/F
- programmable tone generator - 5.0V+/-5%, 3.3V+/-0.3V single power supply - Low noise, low power consumption

Package 28pin VSOP package
- Package size 9.8*7.6mm pin to pin
- Pin pitch;
0.65mm

MS0199-E-04 1
2005/12

ASAHI KASEI

BLOCK DIAGRAM
[AK2307/LV]

Handset Mic I/F HANDT4

HANDT1

HANDT2 HANDT3
upto +25dB Amp1
+14dB SW1 +14dB SW2
+0dB

Amp3

VOL1
16 steps by 1dB +7 to -8dB

Back ground Noise ATT

TX Digital Attenuator
8 steps by 3dB 0 to -21dB

Linear A/u

External Mic I/F MIC3

MIC1

MIC2

Amp2

DAOUT RAIN

Handset Receiver output

HANDR

Notice: we do not provide any warranties that information, datasheets, application notes, circuit diagrams, or software stored on this website are up-to-date or error free. The archived AK2307 Datasheet file may be downloaded here without warranties.

Datasheet ID: AK2307 515861