Part number:
KK145567
Manufacturer:
KODENSHI KOREA
File Size:
686.93 KB
Description:
Pcm codec - filter.
Datasheet Details
Part number:
KK145567
Manufacturer:
KODENSHI KOREA
File Size:
686.93 KB
Description:
Pcm codec - filter.
KK145567, PCM CODEC - FILTER
Pin № 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 Symbol VPO+ GND VPO * VPI VFRO Vcc FSR DR BCLKR/CLKSEL MCLKR/PDN MCLKx BCLKx Dx FSx Description Output of power OA Common output Output of power OA Input of power OA Output of digital signal audio frequency Supply 5 V Input of
www.DataSheet4U.com TECHNICAL DATA PCM CODEC - FILTER KK145567 KK145567N is a one-chip PCM-cofidec which converts speech signal into digital form and backwards.
The IC is design to operate in synchronous and asynchronous systems and is comprised of: - reference generator; - filters on switching capacitors in transmission and receipt channels ; - two operational amplifiers.
The IC does signal companding under the A-low and full differential processing of analogue signals for reduction of nois
KK145567 Features
* linearity in the range more than from
* 10 dBm0 to 3 dBm0 (for Rload between VPO+ and VPO) Rload = 600 Ohm Rload = 1200 Ohm Rload = 10 кOhm Noise attenuation on supply on Vcc or VBB (VPO- connected to VPI) VPO
* or VPO+ connected to GNDA 0
* 4 kHz 4
* 50 kHz Differentia
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