BL3208

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 0.3VCPH V V V V kHz ns ns V .2. 4 BL3208 2048 BBD t r(cp) t f(cp) CP2 90% 50% CP1 10% Vx t w(cp) T (Ta=25 ,VDD=VCPH=5V, VCPL=0V,VGG=4.67V,RL=100kW,LPRfc=20kHz, Att=48dB/oct) _ d fi fcp=40kHz, Vi=0.36Vrms 3dB (fi=1kHz, 0dB) Vi fcp=40kHz,fi=1kHz,THD=2.5% Li fcp=40kHz,fi=1kHz, Vi=0.36Vrms THD fcp=40kHz,fi=1kHz, Vi=0.25Vrms Vno fcp=100kHz S/N fcp=100kHz 10.24 10 -4 0.36 71 102.4 ms kHz 4 2.5 0.25 Vrms dB % mVrms dB BL3208 fcp (Hz) 2048 BBD td td = 1024 fcp .3. 4 BL3208 BL3208 ( ) R,C 2048 BL3102 4 3 2 1 0 2 4 BBD 6 (3) 1) (LPF) LPF LPF 2) DC / 10k 100k 100k 100k Rs 5.6k 3208A f140dB/oct 3.3m VDD out1 out2 in BL3208a 47m CP1VGG BL3102 ...