数据搜索系统,热门电子元器件搜索 |
|
TDA7421 数据表(PDF) 8 Page - STMicroelectronics |
|
TDA7421 数据表(HTML) 8 Page - STMicroelectronics |
8 / 38 page ELECTRICAL CHARACTERISTICS (continued) FM Audio Amplifier Ref: FM Test circuit, measure: - Input at VFMLIMIN, = 95dBu, fIN = 10.7MHz - audio output at VAUDIO, BPF 20Hz to 20KHz - muting voltage at VMUTE, DRIVE Symbol Parameter Test Condition Min. Typ. Max. Unit VMUTE Mute Voltage VMUTE,DRIVE for which ∆VAF = - 29dB, FMHIGH set to 0, AUM2-0 set to 111 2V VPLAY Play Voltage VMUTE,DRIVE for which ∆VAF = - 1dB, FMHIGH set to 0, AUM2-0 set to 111 0.3 V GAMP,PLAY Audio Amplifier Gain in Play Conditions VMUTE,DRIVE < VPLAY 9dB GAMP,MUTEMAX Audio Amplifier Highest Gain in Mute Condition VMUTE,DRIVE > VMUTE, FMHIGH set to 1, AUM2-0 set to 001 6.5 dB GAMP,MUTEMIN Audio Amplifier Lowest Gain in Mute Condition VMUTE,DRIVE > VMUTE, FMHIGH set to 0, AUM2-0 set to 111 -21 dB VAF AF Output Level fDEV = 75KHz, FMOD = 1KHz, VMUTE,DRIVE < VMUTE 350 (1) 400 450 (1) mVRMS THD AFTotal Harmonic distortion fDEV = 75KHz, FMOD = 1KHz, VMUTE,DRIVE < VMUTE 0.5 % S+N/N AF Signal to Noise Ratio fDEV = 75KHz, FMOD = 1KHz, VMUTE,DRIVE < VMUTE 68 (1) 75 % AMR Amplitude Modulation Rejection AM modulation deph 30%, fMOD = 1KHz, with respect to FM modulated signal with fDEV = 40KHz, VMUTE,DRIVE < VMUTE 60 (1) 67 dB AUDIOcurr Audio Out Current Capability 5 mA MUTE Rout Mute Drive Output Resistance 1 K Ω NOTE1: Refer to Global application circuit; input at first Ceramic Filter in, FBH3-0 set to 0001, FBL3-0 set to 0001 FM QUALITY DETECTORS Field Strength Detector Ref: FM Test Circuit, measure: - Input at VFMLIMIN, fIN = 10.7MHz, CW - output at VMUTE,DRIVE Symbol Parameter Test Condition Min. Typ. Max. Unit FSDMIN Field Strenght Detector Minimum Threshold VFMLIMIN level at which VMUTE,DRIVE = VMUTE, FSM3-0 set to 0000 40 dBu FSDMAX Field Strenght Detector Maximum VFMLIMIN level at which VMUTE,DRIVE = VMUTE, FSM3-0 set to 1111 60 dBu TDA7421 8/38 |
类似零件编号 - TDA7421 |
|
类似说明 - TDA7421 |
|
|
链接网址 |
隐私政策 |
ALLDATASHEETCN.COM |
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 | 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 |