參數(shù)資料
型號(hào): TEA6820T-T
廠商: NXP SEMICONDUCTORS
元件分類: 接收器
英文描述: AM/FM, AUDIO SINGLE CHIP RECEIVER, PDSO56
封裝: PLASTIC, SOT-190-2, VSOP-56
文件頁數(shù): 9/48頁
文件大?。?/td> 351K
代理商: TEA6820T-T
1997 Feb 12
17
Philips Semiconductors
Preliminary specication
In Car Entertainment (ICE) car radio
TEA6820T; TEA6822T
CHARACTERISTICS FOR ANALOG-TO-DIGITAL CONVERTERS (ADCs) FOR LEVEL AND
MULTI-PATH VOLTAGES
Notes
1. The FM level information V50-3 is analog-to-digital converted with 4 bits.
2. The AM level information V49-4 is analog-to-digital converted with 4 bits.
3. The multi-path information V40-4 is analog-to-digital converted with 3 bits covering an IF2 amplitude modulation range
m
≤ 0.6; fmod = 20 kHz.
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
ADC for FM level information; note 1
V37-35
analog-to-digital conversion step size
2
4
8
dB/step
V37-35
analog-to-digital conversion level range
43
56
69
dB
FM STOP
Vstop
variation of stop level as function of V42-4
16
dB/V
ADC for AM level information; note 2
V33-34
analog-to-digital conversion step size
2
4
8
dB/step
V33-34
analog-to-digital conversion level range
43
56
69
dB
AM STOP
Vstop
variation of stop level as function of V43-4
16
dB/V
ADC for multi-path information; note 3
m
multi-path conversion
step 0
5%
step 1
15
%
step 2
22
%
step 3
28
%
step 4
34
%
step 5
40
%
step 6
46
%
step 7
52
60
%
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