TDA7540N STMicroelectronics, TDA7540N Datasheet - Page 20

• Manufacturer Part Number: TDA7540N
• Description: IC TUNER AM/FM CAR RADIO 80-LQFP
• Manufacturer: STMicroelectronics

Specifications of TDA7540N

• Frequency: 10.7MHz
• Modulation Or Protocol: AM, FM
• Applications: Automotive Audio
• Current - Receiving: 12mA
• Data Interface: PCB, Surface Mount
• Antenna Connector: PCB, Surface Mount
• Voltage - Supply: 7.7 V ~ 9 V
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 80-LQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Features: -
• Sensitivity: -
• Memory Size: -
• Data Rate - Maximum: -
• Lead Free Status / Rohs Status: Compliant

Electrical specifications
Table 8.
20/76
Mono/stereo-switch
19kHz PLL
Deemphasis- and highcut
Stereoblend- and highcut-control
V
V
V
V
Symbol
F
F
V
R
PTHMO1
PTHMO0
L
L
AMCMin
AMCMin
PTHST1
PTHST0
L
t
t
t
t
t
t
V
V
f
HC50
HC75
HC25
HC37
HC50
HC75
Gmax
Gstep
DP
Gmin
puafs
puafs
lock
TH1
TH2
Stereodecoder electrical characteristics (continued)
(T
V
circuit, unless otherwise specified).
Pull up voltage for AFS pin
Pull up resistor for AFS pin
1. threshold for AFS PIN
2. threshold for AFS PIN
Pilot threshold voltage
Pilot threshold voltage
Pilot threshold voltage
Pilot threshold voltage
PLL lock range
Pilot deviation
Deemphasis time constant
Deemphasis time constant
Deemphasis time constant
Deemphasis time constant
Highcut time constant
Highcut time constant
Min. AM corner frequency
Max. AM corner frequency
Min. level gain
Max. level gain
Level gain step resolution
MPX
amb
= 25°C, V
= 500mV
Parameter
rms
CC1
mono, f = 1kHz, deemphasis = 50µs, f
= V
CC2
= V
Pilot frequency 19kHz
for Mono->Stereo, PTH = 1
for Mono->Stereo, PTH = 0
for Stereo->Mono, PTH = 1
for Stereo->Mono, PTH = 0
Pilot magnitude
20 mV
DEEMP = 0, DESFT = 1
V
DEEMP = 1, DESFT = 1
V
DEEMP = 0, DESFT = 0
V
DEEMP = 1, DESFT = 0
V
DEEMP = 0, DESFT = 1
V
DEEMP= 1, DESFT = 1
V
DEEMP = 0, DESFT = 1
AMCF
DEEMP = 0, DESFT = 1
AMCF
LG
LG
LG
CC3
LEVEL
LEVEL
LEVEL
LEVEL
LEVEL
LEVEL
= V
rms
Test conditions
>> V
>> V
>> V
>> V
<< V
<< V
CCST
= 4%
HCH
HCH
HCH
HCH
HCL
HCL
= V
CCVCO
= V
CCMIX1
Xtal
Min.
18.9
-0.5
= 10.25MHz, in application
3.1
2.2
0.6
4.0
0.4
10
6
4
7
4
= V
CCMIX2
Typ.
37.5
1.06
3.18
0.67
150
225
3.3
2.4
0.8
4.7
25
10
14
12
50
75
25
8
0
= V
Max.
19.1
3.5
2.6
1.0
0.5
5.2
0.9
15
19
12
16
30
CCIF1
TDA7540N
mV
mV
mV
mV
= 8.5V,
Unit
kHz
kHz
kHz
kΩ
dB
dB
dB
μs
μs
μs
μs
μs
μs
%
V
V
V
rms
rms
rms
rms