參數(shù)資料
型號： 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別系統(tǒng)（ISS）的
文件頁數(shù)： 9/75頁
文件大?。?/td> 1061K
代理商： TDA7540B
TDA7540B
Electrical specifications
9/75
3.2.2
FM section
1.16
I
CCMIX1
Supply current
AM ON
7
mA
1.17
I
CCMIX2
Supply current
AM ON
7
mA
1.18
I
CCIF1
Supply current
5
mA
1.19
I
CCST
Supply current
13
mA
2
Reference Voltages
2.1
V
REF1
Internal reference voltage
I
REF1
= 0mA
5
V
2.2
V
REF2
Internal reference voltage
I
REF2
= 0mA
2.5
V
3
I
2
C-Bus interface
3.1
f
SCL
Clock frequency
400
kHz
3.2
V
IL
Input low voltage
1
V
3.3
V
IH
Input high voltage
3
5
V
3.4
I
IN
Input current
-5
5
μ
A
3.5
V
O
Output acknowledge
voltage
I
O
= 1.6mA
0.4
V
Table 5.
Electrical characteristics
(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
4
Wide Band RF AGC
4.1
V
9-11
V
9-11
Lower threshold start
V
16
= 2.5V
V
16
= 2.5V
85
dB
μ
V
dB
μ
V
4.2
Upper threshold start
96
5
Narrow Band IF & Keying AGC
5.1
V
77
V
77
Lower threshold start
KAGC = off, V
9-11
= 0mV
RMS
KAGC = off, V
9-11
= 0mV
RMS
KAGC = max,
V
9-11
= 0mV
RMS,
f
IF
=300KHz
KAGC = max,
V
9-11
= 0mV
RMS,
f
IF
=300KHz
f
IF1
generates FS level at V
22
V
22
= +0.8V
86
dB
μ
V
dB
μ
V
5.2
Upper threshold start
98
5.3
V
77
Lower threshold start with
KAGC
98
dB
μ
V
5.4
V
22
Startpoint KAGC
2.2
V
5.5
Control range KAGC
16
dB
k
5.6
R
IN
Input resistance
10
Table 4.
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
Xtal
= 10.25MHz, in application circuit, unless otherwise specified).
Item
Symbol
Parameter
Test conditions
Min.
Typ.
Max.
Unit
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