| 数据搜索系统,热门电子元器件搜索 |
|
TDA7540N 数据表(PDF) 20 Page - STMicroelectronics |
|
|
|||||||||||||||||||||||||||||
TDA7540N 数据表(HTML) 20 Page - STMicroelectronics |
|
20 / 76 page ![]() Electrical specifications TDA7540N 20/76 Vpuafs Pull up voltage for AFS pin 3.1 3.3 3.5 V Rpuafs Pull up resistor for AFS pin 25 k Ω VTH1 1. threshold for AFS PIN 2.2 2.4 2.6 V VTH2 2. threshold for AFS PIN 0.6 0.8 1.0 V Mono/stereo-switch VPTHST1 Pilot threshold voltage for Mono->Stereo, PTH = 1 6 10 15 mVrms VPTHST0 Pilot threshold voltage for Mono->Stereo, PTH = 0 10 14 19 mVrms VPTHMO1 Pilot threshold voltage for Stereo->Mono, PTH = 1 4 8 12 mVrms VPTHMO0 Pilot threshold voltage for Stereo->Mono, PTH = 0 7 12 16 mVrms 19kHz PLL flock PLL lock range Pilot magnitude 20 mVrms = 4% 18.9 19.1 kHz DP Pilot deviation Pilot frequency 19kHz 4 30 % Deemphasis- and highcut tHC50 Deemphasis time constant DEEMP = 0, DESFT = 1 VLEVEL >> VHCH 50 μs tHC75 Deemphasis time constant DEEMP = 1, DESFT = 1 VLEVEL >> VHCH 75 μs tHC25 Deemphasis time constant DEEMP = 0, DESFT = 0 VLEVEL >> VHCH 25 μs tHC37 Deemphasis time constant DEEMP = 1, DESFT = 0 VLEVEL >> VHCH 37.5 μs tHC50 Highcut time constant DEEMP = 0, DESFT = 1 VLEVEL << VHCL 150 μs tHC75 Highcut time constant DEEMP= 1, DESFT = 1 VLEVEL << VHCL 225 μs FAMCMin Min. AM corner frequency DEEMP = 0, DESFT = 1 AMCF 1.06 kHz FAMCMin Max. AM corner frequency DEEMP = 0, DESFT = 1 AMCF 3.18 kHz Stereoblend- and highcut-control LGmin Min. level gain LG -0.5 0 0.5 dB LGmax Max. level gain LG 4.0 4.7 5.2 dB LGstep Level gain step resolution LG 0.4 0.67 0.9 dB Table 8. Stereodecoder electrical characteristics (continued) (Tamb = 25°C, VCC1 = VCC2 = VCC3 = VCCST= VCCVCO = VCCMIX1 = VCCMIX2 = VCCIF1 = 8.5V, VMPX = 500mVrms mono, f = 1kHz, deemphasis = 50µs, fXtal = 10.25MHz, in application circuit, unless otherwise specified). Symbol Parameter Test conditions Min. Typ. Max. Unit |
|
链接网址 |
| ALLDATASHEET是否为您带来帮助? [ DONATE ] |
关于 Alldatasheet | 广告服务 | 联系我们 | 隐私政策 | 数据表链接 | 链接交换 | 制造商名单 All Rights Reserved©Alldatasheet.com |
| Russian : Alldatasheetru.com | Korean : Alldatasheet.co.kr | Spanish : Alldatasheet.es | French : Alldatasheet.fr | Italian : Alldatasheetit.com Portuguese : Alldatasheetpt.com | Polish : Alldatasheet.pl | Vietnamese : Alldatasheet.vn Indian : Alldatasheet.in | Mexican : Alldatasheet.com.mx | British : Alldatasheet.co.uk | New Zealand : Alldatasheet.co.nz |
|
Family Site : ic2ic.com |
icmetro.com |