參數(shù)資料
型號: TEA6822T-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-190-1, VSOP-56
文件頁數(shù): 22/48頁
文件大?。?/td> 351K
代理商: TEA6822T-T
1997 Feb 12
29
Philips Semiconductors
Preliminary specication
In Car Entertainment (ICE) car radio
TEA6820T; TEA6822T
Table 8
Output signal of reference frequency divider
IF COUNTER
Table 9
IF counter sensitivity
AM counting windows are 4 or 40 ms. FM counting windows are 4 or 40 ms. AM counting resolution is 250 or 25 Hz.
FM counting resolution is 5 kHz, 625 Hz, 50 kHz or 6.25 kHz. AM IF-prescaler is divisible by 1. FM IF-prescaler is
divisible by 25 or 200.
SYMBOL
PARAMETER
MIN.
TYP.
MAX.
UNIT
V10-11(p-p)
differential output voltage (peak-to-peak value)
0.3
0.4
0.5
V
V10-4(p-p);
V11-4(p-p)
single-ended output voltage (peak-to-peak value)
0.15
0.2
0.3
V
C10-4; C11-4
output capacitance
4pF
R10-52; R11-52
output resistance
800
1000
1200
SYMBOL
PARAMETER
CONDITIONS
MIN.
UNIT
V33-34
IF counter sensitivity
AM mode; m = 0
200
V
V37-35
IF counter sensitivity
FM mode
200
V
Fig.21 IF counter structure.
handbook, full pagewidth
MHA205
FM IF2
AM IF2
prescaler setting
FM IF-PRESCALER
÷ 25 /÷ 200
8-BIT BINARY COUNTER
4 ms/40 ms
counter window
B0 B1 B2 B3 B4 B5 B6 B7
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