This part is a kind of semiconductor called BL3208.

Function of this product has 2048 segment low voltage and low noise BBD.

Manufacturers : SHANGHAI BELLING

Image and pinout :

Some of the text within the PDF file :

BL3208 2048 BBD 810 :200233 Tel:86-21-64850700 Fax:86-21-64854424 BL3208 2048 3208A 102.4ms 3208B BBD +5V BL3208 · 10.24ms~102.4ms · 5~10V · 0dB · S/N=71dB( ) · THD=2.5%( ) · 10kHz~100kHz ·N · 3208A 8 3208B 14 GND CP1 IN VGG BL3208A OUT2 OUT1 CP2 VDD DIP 8 PIN GND CP2 VGG IN BL3208B OUT1 OUT2 CP1 VDD OK 2048 BBD CP1 CP2 VGG 2049 .1. 2 1 4 BL3208 2048 BBD BL3208A 1 2 3 4 5 6 7 8 BL3208B GND CP1 IN VGG VDD CP2 OUT1 OUT2 1 GND 2 CP2 3 OUT1 4 OUT2 5 VDD 6 CP1 7 IN 8 VGG (Ta=25 ) VDD , VGG , VCP , VIN VOUT1 , VOUT2 Topr Tstg (Ta=25 ) VDD VGG VCPH VCPL fcp tw (cp) tr (cp) tf (cp) Vx 0 10 0 1 (VGG=14/15VDD ) 2 2048 2049 2 2048 2049 1 (VGG=14/15VDD ) -0.3~+11 -0.3~+11 -20~+60 -55~+125 V V +5V (1415)VDD VDD +10V +1 100 0.5(1/fcp) 500 500 0. [ ... ]

BL3208 PDF Datasheet Download