參數(shù)資料
型號(hào)： TDA7540B
廠商： 意法半導(dǎo)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(jī)調(diào)諧器集成電路汽車與立體聲解碼器和智能識(shí)別系統(tǒng)（ISS）的
文件頁(yè)數(shù)： 17/75頁(yè)
文件大小： 1061K
代理商： TDA7540B
TDA7540B
Electrical specifications
17/75
26.3
t
HC25
Deemphasis time constant
DEEMP = 0, DESFT = 0
V
LEVEL
>> V
HCH
25
μ
s
26.4
t
HC37
Deemphasis time constant
DEEMP = 1, DESFT = 0
V
LEVEL
>> V
HCH
37.5
μ
s
26.5
t
HC50
Highcut time constant
DEEMP = 0, DESFT = 1
V
LEVEL
<< V
HCL
150
μ
s
26.6
t
HC75
Highcut time constant
DEEMP= 1, DESFT = 1
V
LEVEL
<< V
HCL
225
μ
s
26.7
F
AMCMin
Min. AM corner frequency
DEEMP = 0, DESFT = 1
AMCF
1.06
kHz
26.8
F
AMCMin
Max. AM corner frequency
DEEMP = 0, DESFT = 1
AMCF
3.18
kHz
27
Stereoblend- and highcut-control
27.1
L
Gmin
Min. level gain
LG
0
dB
27.2
L
Gmax
Max. level gain
LG
4.7
dB
27.3
L
Gstep
Level gain step resolution
LG
0.67
dB
27.4
VSBL
min
Min. voltage for mono
SBC
29
%V
REF1
27.5
VSBL
max
Max. voltage for mono
SBC
58
%V
REF1
27.6
VSBL
step
Step resolution
SBC
4.2
%V
REF1
27.7
VHCH
min
Min. voltage for no highcut
VHCH
42
%V
REF1
27.8
VHCH
max
Max. Voltage for no highcut
VHCH
66
%V
REF1
27.9
VHCH
step
Step resolution
VHCH
8
%V
REF1
27.10
VHCL
min
Min. voltage for full high cut VHCL, MAXHC = 00
11
%VHCH
27.11
VHCL
max
Max. voltage for full high cut VHCL, MAXHC = 00
33
%VHCH
27.12
VHCL
step
Step resolution
VHCL, MAXHC = 00
7.3
%VHCH
28
Carrier and harmonic suppression at the output
28.1
a19
Pilot signal f=19kHz
V
pilot
= 50mV
rms
50
dB
28.2
a38
Subcarrier f=38kHz
75
dB
28.3
a57
Subcarrier f=57kHz
62
dB
28.4
a76
Subcarrier f=76kHz
90
dB
29
Intermodulation (Note 1)
29.1
a2
f
mod
=10kHz, f
spur
=1kHz
65
dB
29.2
a3
f
mod
=13kHz, f
spur
=1kHz
75
dB
Table 7.
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,
V
MPX
= 500mV
rms
mono, f = 1kHz, deemphasis = 50
μ
s, f
Xtal
= 10.25MHz, in application
circuit, unless otherwise specified).
Item
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
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參數(shù)描述
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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(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel
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