TDA7540B STMicroelectronics, TDA7540B Datasheet - Page 18

TDA7540B

Manufacturer Part Number
TDA7540B
Description
Manufacturer
STMicroelectronics
Datasheet

Specifications of TDA7540B

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

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DOCUMENT CD00108485
Copyright STMicroelectronics
Electrical specifications
3.2.3
Table 6.
14/75
17.10
17.11
17.12
17.13
Item
17.1
17.2
17.3
17.4
17.5
17.6
17.7
17.8
17.9
18.1
18.2
18.3
19.1
20.1
20.2
20.3
17
18
19
20
Global
AM Mixer1 (10.7MHz)
AGC Voltage Driver Output
AGC PIN Diode Driver Output
Symbol
V
(S+N)/N
|I
∆V
R
ANT_us
CCR
THD
78max
REVISION 1.0
| I
V
V
V
V
R
C
a
f
V
V
V
OUT
AF
I
Electrical Characteristics
(T
f
otherwise specified).
ANT
IF
53
24
71
71
6
7
AM section
RF
IN
IN
4
6
6
|
amb
|
= 98MHz, m= 30%, f
= 25°C, V
Usable sensitivity
IF2 AGC Range
Signal to Noise Ratio
IF rejection
Frequency response
Total Harmonic Distortion
AF output level
IF output level
Min. RF AGC threshold
Max. RF AGC threshold
Min. IF AGC threshold
Max. IF AGC threshold
Min. DAGC threshold
Max. DAGC threshold
AGC2 charge current
Charge current ratio
Max. AGC output voltage
Min. AGC output voltage
AGC current
AGC driver current
Input resistance
Input capacitance
Output impedance
Parameter
CC1
= V
CC2
MOD
= V
= 400kHz, f
CC3
COMPANY INTERNAL
(S+N)/N = 26 dB
Ref.: V
Ref: V
IF = 10.7MHz
Ref.: V
V
m = 0.3
V
m = 0.3
V
WAGC
WAGC
DAGC
seek
differential
differential
differential
Ref.: V
V
seek/seek off
V
INRF
INRF
INRF
INRF
= V
AF
ACTIVE
= -3 dB
CCST
Test Conditions
INRF
= 60dBµV, m = 0.8
= 120 dBµV, m = 0.8
= 60dBµV
= 60dBµ, m=off
INRF
INRF
INRF
Xtal
= V
= 60dBµV,
= 60dBµV,
= 60dBµV
= 60dBµV,
= 10.25MHz, in application circuit, unless
CCVCO
= V
CCMIX1
Min.
100
100
3.5
25
50
50
70
Unauthorized reproduction and communication strictly prohibited
= V
CCMIX2
DATE 11-May-2006
Typ.
160
190
190
109
109
100
3.6
0.5
0.3
1.0
0.3
19
52
55
80
90
90
74
96
30
-2
4
= V
Max.
0.5
CCIF1
TDA7540B
mV
mV
= 8.5V,
dBµV
dBµV
dBµV
dBµV
dBµV
dBµV
dBµV
Unit
kHz
mA
dB
dB
dB
µA
µA
kΩ
pF
kΩ
%
V
V
RMS
RMS
page: 14/75

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