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| TDA7546 Datasheet, PDF (13/68 Pages) STMicroelectronics – Multichip module for TMC tuner applications | |||
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TDA7546
Electrical specification
3.3
Tuner
Table 5.
Tuner
(Tamb = -40 to +85°C, VCC1 = VCC2 = VCC3 = VCCVCO = VCCMIX1 = VCCIF1=8.5V,
fRF = 98.1MHz, dev. = 40KHz, fMOD = 1KHz, fIF1 = 10.7MHz, fIF2 = 450KHz,
fXtal = 10.25MHz, in application circuit, unless otherwise specified.)
Symbol
Parameter
Test Conditions
Min. Typ. Max. Unit
Supply
VCC1 Digital supply voltage
VCC2 Analog supply voltage
VCC3 Tuning section voltage
VCCVCO VCO supply voltage
VCCMIX1 MIX1 supply voltage
VCCIF1 IF1 supply voltage
ICC1 Supply current
ICC2 Supply current
ICC3 Supply current
ICCVCO Supply current
ICCMIX1 Supply current
ICCIF1 Supply current
Reference Voltages
VREF1
VREF2
Internal reference voltage
Internal reference voltage
Wide Band RF AGC
Lower threshold start
V3-5
Upper threshold start
Narrow Band IF & Keying AGC
Lower threshold start
Upper threshold start
V77
Lower threshold start with
KAGC
V56 Startpoint KAGC
Î
Control range KAGC
RIN Input resistance
IREF1 = 0mA
IREF2 = 0mA
V6 = 2.5V
V6 = 2.5V
KAGC = off, V3-5 = 0mVRMS
KAGC = off, V3-5 = 0mVRMS
KAGC = max, V3-5 = 0mVRMS,
ÎfIF=300KHz
KAGC = max, V3-5 = 0mVRMS,
ÎfIF=300KHz
fIF1 generate FSW level at V56
ÎV56 = +0.4V
7.7
8.5
10
V
7.7
8.5
10
V
7.7
8.5
10
V
7.7
8.5
10
V
7.7
8.5
10
V
7.7
8.5
10
V
7.5
10
mA
60
70
mA
2
3
mA
9.5
12
mA
8
10.5 mA
6
7.5 mA
4.8
5
5.2
V
2.3
2.5
2.7
V
78
82
86 dBμV
90
94
98 dBμV
82
86
90 dBμV
94
98
102 dBμV
94
98
102 dBμV
3.6
V
16
dB
10
13
16
kΩ
13/68
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