The BL1302A57/S is an A-law monolithic PCM Pin Assignment CODEC/filter which has the A/D and D/A conversion and a serial PCM interface. The device is fabricated using the advanced double-poly nwell CMOS process. It is pin compatible with TP3057. The encode portion of each device consists of an input gain adjust amplifier, an active RC pre-filter which eli.
• Complete CODEC and filtering system (COMBO) including:
--- Transmit high-pass and low-pass filtering
--- Receive low-pass filter with sinx/x correction
--- Active RC noise filters
--- A-law compatible COder and DECoder
--- Internal precision voltage reference
--- Serial I/O interface
--- Internal auto-zero circuitry
• 16 pin DIP or SOP
• Designed for ITU application
http://www.belling.com.cn
-1-
Total 17 Pages
8/28/2006
Wrote by 2006
• ±5V operation
• Low power: Typical
50mW
Stand-by 3mW
• Automatic power-down
• TTL or CMOS compatible digital interfaces
Block Diagram
BL130.
No. | Partie # | Fabricant | Description | Fiche Technique |
---|---|---|---|---|
1 | BL1302A57 |
SHANGHAI BELLING |
Monolithic serial interface compiler encoder / filter | |
2 | BL1302A67 |
SHANGHAI BELLING |
The serial interface chip codec filter | |
3 | BL1302A67S |
SHANGHAI BELLING |
The serial interface chip codec filter | |
4 | BL1361 |
BELLING |
D class amplifier integrated USB audio controller chips | |
5 | BL1361S |
BELLING |
Simple Class D amplifier integrated USB audio controller chips | |
6 | BL1002A |
Bolymin |
Display | |
7 | BL1005-05A5425B |
Advanced Ceramic X |
Multilayer Chip Baluns | |
8 | BL1005-05A5425T |
Advanced Ceramic X |
Multilayer Chip Baluns | |
9 | BL1005-05E2450B |
Advanced Ceramic X |
Multilayer Chip Baluns | |
10 | BL1005-05E2450T |
Advanced Ceramic X |
Multilayer Chip Baluns | |
11 | BL1005-05M2450B |
Advanced Ceramic X |
Multilayer Chip Baluns | |
12 | BL1005-05M2450T |
Advanced Ceramic X |
Multilayer Chip Baluns |