參數(shù)資料
型號(hào): LV25450PNW
元件分類: 調(diào)諧器
英文描述: AUDIO TUNER, PQFP64
封裝: 10 X 10 MM, SQFP-64
文件頁數(shù): 22/40頁
文件大?。?/td> 1251K
代理商: LV25450PNW
LV25450PNW
FM-RFAGC operation
0
1
Normal operation
FET OFF
FM-Keyed-AGC operation
0
1
Keyed AGC normal operation
Keyed Wide AGC control function off
A
3
A
2
A
1
A
0
B
3
B
2
B
1
B
0
0 1 1 0 1 0 0 1
1
IN3-2 tuner setting 2
Address 69h, Subaddress [1]
IN
Address Code
Sub Address Code
180
μA(2.65V)
245
μA(3.3V)
S-Meter Shift(TSOUT)
00000
00001
00010
00011
00100
00101
00110
00111
11010
11011
11100
11101
11110
11111
0.14V
2.57
FM/AM-Wide-AGC Sensitivity
0000
0001
0010
0011
0100
1011
1100
1101
1110
1111
-2dB
Center
+2dB
IF AGC clamp variations
correction
000
001
010
011
100
101
110
111
1.0V
2.5V
AM-RF-AGC
amplifier threshold
(steep)
0.14V
2.2V
FM-Keyed
AGC
threshold
0000
0001
0010
0011
0100
1011
1100
1101
1110
1111
0.14V
2.5V
FM/AM-Narrow-AGC Sensitivity
0000
0001
0010
0011
0100
1011
1100
1101
1110
1111
D32-00
D32-01
D32-02
D32-03
D32-04
D32-05
D32-06
D32-07
D32-08
D32-09
D32-10
D32-11
D32-12
D32-13
D32-14
D32-15
D32-16
D32-17
D32-18
D32-19
D32-20
D32-21
D32-22
D32-23
D32-24
D32-25
D32-26
D32-27
D32-28
D32-29
D32-30
D32-31
W_AGC0
W_AGC1
W_AGC2
W_AGC3
N_AGC0
N_AGC1
N_AGC2
N_AGC3
1
0
KEY_AGC0
KEY_AGC1
KEY_AGC2
KEY_AGC3
APF_ADJ0
APF_ADJ1
APF_ADJ2
APF_ADJ3
S_METER0
S_METER1
S_METER2
S_METER3
S_METER4
ADJ_N0
ADJ_N1
ADJ_N2
0
FMFETOFF
W_KEYED
Sub-Address
LLLL
(34)
(35)
(33)
(32)
(31)
(36)
(29)
(28)
(30)
LLLL LLL
L
L LLLLLLLLLLLLLLL L
LL
L
LSB
MSB
1.0 +VBE
2.5 +VBE
[AM] RF-AGC
Amp threshold
(gradual)
Small
Large
Phase shift
trimming
0000
0001
0010
0011
0100
1011
1100
1101
1110
1111
0
1
2
3
4
11
12
13
14
15
[FM] All Pass Filter
Steps on the software
0000
1000
0100
1100
0010
1101
0011
1011
0111
1111
No.A1668-29/40
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