參數(shù)資料
型號： TDA7540B
廠商： 意法半導體
英文描述： AM/FM Car Radio Tuner IC with Stereo Decoder and Intelligent Selectivity System (ISS)
中文描述： 調(diào)幅/調(diào)頻收音機調(diào)諧器集成電路汽車與立體聲解碼器和智能識別系統(tǒng)（ISS）的
文件頁數(shù)： 12/75頁
文件大?。?/td> 1061K
代理商： TDA7540B
Electrical specifications
TDA7540B
12/75
13.16
R
OUT
Output resistance
4
k
Multipath Channel Gain
13.17
G
min
G
max
Gain minimum
MPG=0
12
dB
13.18
Gain maximum
MPG=1
23
dB
Multipath Bandpass Filter
13.19 f
BP19
13.20 f
BP31
13.21 Q
Centre frequency
MPF=0
19
kHz
Centre frequency
MPF=1
31
kHz
Quality factor
5
8
10
Multipath Output
13.22
V
24
V
24
R
OUT
Output voltage low
0.1
V
13.23
Output voltage high
4.9
V
k
13.24
Output resistance
2.5
14
ISS (intelligent Selectivity System)
Filter 450kHz
14.1
f
centre
BW 3dB
Centre frequency
f
REF_intern
= 450kHz
ISS80 = 1
450
kHz
14.2
Bandwidth, -3dB
80
kHz
14.3
BW 20dB Bandwidth, -20dB
ISS80 = 1
150
kHz
14.4
BW 3dB
Bandwidth, -3dB
ISS80 = 0
120
kHz
14.5
BW 20dB Bandwidth, -20dB
ISS80 = 0
250
kHz
14.6
BW 3dB
Bandwidth weather band
ISS30 = 1
30
kHz
14.7
BW 20dB -20dB weather band
ISS30 = 1
80
kHz
Adjacent Channel ISS Filter Threshold
14.8
V
NTH
V
NTH
V
WTH
V
WTH
Internal low threshold
ACNTH
0
V
14.9
Internal high threshold
ACNTH
0.3
V
14.10
Internal low threshold
ACWTH
0.25
V
14.11
Internal high threshold
ACWTH
0.95
V
Multipath Threshold
14.12
V
THMP
V
THMP
Internal low threshold
MPTH
0.50
V
14.13
Internal high threshold
MPTH
1.25
V
ISS Filter Time Constant
14.14
I
27
,I
28
I
27
,I
28
I
27
,I
28
Charge current low mid
TISS, ISSCTL = 1
-74
μ
A
μ
A
μ
A
14.15
Charge current high mid
TISS, ISSCTL = 1
-60
14.16
Charge current low narrow TISS, ISSCTL = 1
-124
Table 5.
Electrical characteristics (continued)
(T
amb
= 25°C, V
CC1
= V
CC2
= V
CC3
= V
CCST
= V
CCVCO
= V
CCMIX1
= V
CCMIX2
= V
CCIF1
= 8.5V,
f
RF
= 98MHz, dev= 40kHz, f
MOD
= 1kHz, f
Xtal
= 10.25MHz, in application circuit, unless
otherwise specified).
Item
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
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相關代理商/技術參數(shù)
參數(shù)描述
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TDA7540NTR 功能描述:調(diào)諧器 AM/FM car radio Tuner IC Decoder RoHS:否 制造商:NXP Semiconductors 功能: 噪聲系數(shù): 工作電源電壓: 最小工作溫度: 最大工作溫度:
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TDA7541B 功能描述:音頻放大器 AM/FM car radio Tuner IC Decoder RoHS:否 制造商:STMicroelectronics 產(chǎn)品:General Purpose Audio Amplifiers 輸出類型:Digital 輸出功率: THD + 噪聲: 工作電源電壓:3.3 V 電源電流: 最大功率耗散: 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel
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