TDA7540B STMicroelectronics, TDA7540B Datasheet - Page 21

• Manufacturer Part Number: TDA7540B
• Manufacturer: STMicroelectronics

Specifications of TDA7540B

• Case: TQFP
• Dc: 06+
• Lead Free Status / Rohs Status: Compliant

DOCUMENT CD00108485
Copyright STMicroelectronics
TDA7540B
Table 7.
27.10
27.11
27.12
Item
26.3
26.4
26.5
26.6
26.7
26.8
27.1
27.2
27.3
27.4
27.5
27.6
27.7
27.8
27.9
28.1
28.2
28.3
28.4
29.1
29.2
27
28
29
Stereoblend- and highcut-control
Carrier and harmonic suppression at the output
Intermodulation (Note 1)
VHCH
VHCH
VHCH
VHCL
VHCL
VSBL
VSBL
VHCL
VSBL
Symbol
F
F
REVISION 1.0
L
L
AMCMin
AMCMin
L
t
t
t
t
HC25
HC37
HC50
HC75
a19
a38
a57
a76
Electrical characteristics (continued)
(T
V
circuit, unless otherwise specified).
Gmax
Gstep
Gmin
a2
a3
MPX
amb
max
step
max
step
min
max
step
min
min
= 25°C, V
= 500mV
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
Min. voltage for mono
Max. voltage for mono
Step resolution
Min. voltage for no highcut
Max. Voltage for no highcut VHCH
Step resolution
Min. voltage for full high cut VHCL, MAXHC = 00
Max. voltage for full high cut VHCL, MAXHC = 00
Step resolution
Pilot signal f=19kHz
Subcarrier f=38kHz
Subcarrier f=57kHz
Subcarrier f=76kHz
f
f
mod
mod
=10kHz, f
=13kHz, f
rms
CC1
Parameter
mono, f = 1kHz, deemphasis = 50µs, f
= V
spur
spur
CC2
=1kHz
=1kHz
= V
CC3
COMPANY INTERNAL
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
SBC
SBC
SBC
VHCH
VHCH
VHCL, MAXHC = 00
V
= V
LEVEL
LEVEL
LEVEL
LEVEL
pilot
ACTIVE
CCST
= 50mV
Test Conditions
>> V
>> V
<< V
<< V
= V
HCH
HCH
HCL
HCL
rms
CCVCO
= V
Xtal
CCMIX1
= 10.25MHz, in application
Unauthorized reproduction and communication strictly prohibited
Min.
= V
Electrical specifications
CCMIX2
DATE 11-May-2006
Typ.
37.5
1.06
3.18
0.67
150
225
4.7
7.3
4.2
42
11
33
75
62
90
25
29
58
66
50
65
75
0
8
= V
Max.
CCIF1
%VHCH
%V
%V
%V
%VHCH
%VHCH
%V
%V
%V
= 8.5V,
Unit
kHz
kHz
dB
dB
dB
dB
dB
dB
dB
dB
dB
µs
µs
µs
µs
REF1
REF1
REF1
REF1
REF1
REF1
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