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TDA7703TR

P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P21P22-P24P25-P27P28-P30P31-P32
TDA7703 Electrical specifications
Rev 1 13/32
3 Electrical specifications
3.1 Absolute maximum ratings
3.2 Thermal data
3.3 General key parameters
Table 3. Absolute maximum ratings
Symbol Parameter Test condition Min Typ Max Units
V
CC
Supply voltage 5.5 V
T
stg
Storage temperature -55 150 °C
Table 4. Thermal data
Symbol Parameter Test condition Value Units
R
Th j-case
Thermal resistance
junction to case
LQFP44 10x10, double-layer JEDEC PCB 55 °C/W
Table 5. General key parameters
Symbol Parameter Test condition Min Typ Max Units
V
CC
5 V supply voltage 4.7 5 5.25 V
I
CC
Supply current @ 5 V 220 295 mA
T
amb
Ambient temperature range -30 75 °C
V
VCCREG12
VCCREG12 supply voltage see note
(1)
2V
V
1V2
Digital core 1.2V supply
voltage
when supplied externally
see note
(2)
1.08 1.2 1.32 V
I
1V2
Digital core 1.2 V supply
current
V
1V2
= 1.08 V
see note
(2)
120 mA
V
1V2
= 1.2 V
see note
(2)
80 135 mA
V
1V2
= 1.32 V
see note
(2)
150 mA
1. In the typical application supplied from 5V with a series resistor.
2. When the 1.2 V supply is applied externally, and not using the internal 1.2 V regulator.
Electrical specifications TDA7703
14/32 Rev 1
3.4 Electrical characteristics
V
CC
= 5 V; T
amb
= 27 °C; unless otherwise specified.
3.4.1 FM - section
Table 6. FM - section
Symbol Parameter Test condition Min Typ Max Units
FM IMR mixer
R
in
Input resistance 90 130 170 kΩ
IIP3 3
rd
order intercept point up to V
in/tone
= 85 dBµV 121 dBµV
FM AGC
RFAGC-Thr
RFAGC threshold, referred to
mixer input;
RF level
min setting 85
dBµV
max setting 91
Threshold steps 2 dB
Threshold error -1.5 1.5 dB
Threshold temperature drift 0.016 dB/K
IFAGC-Thr
IFAGC threshold, referred to
mixer input; at tuned
frequency
RF level
min setting 77
dBµV
max setting 81
Threshold steps 2 dB
Threshold error -1.5 1.5 dB
Threshold temperature drift 0.016 dB/K
Pin diode source current see note
(1)
12 mA
Pin diode sink current 3 20 µA
Pin diode source current in
constant current mode
see note
(1)
0.4 mA
1. The current is generated by a PTAT (Proportional To Absolute Temperature) source, and has therefore a temperature
dependency described by: ΔI/Io = ΔT/To, with Io being the current at ambient temperature (25 °C) and To the ambient
temperature (25°C) expressed in Kelvin, that is 298 K.
TDA7703 Electrical specifications
Rev 1 15/32
3.4.2 AM - section
3.4.3 VCO
Table 7. AM - section
Symbol Parameter Test condition Min Typ Max Units
AM IMR Mixer
R
in
Input resistance 20 30 45 kΩ
IIP3 3
rd
order intercept point up to V
in/tone
= 90 dBµV 129 dBµV
IIP2 2
nd
order intercept point up to V
in/tone
= 90 dBµV 158 dBµV
LO hsupp LO harmonic suppression
N=2,3,4,5,6 100
dB
N=7,9 85
AM LNA
Gain Voltage gain
Max Gain, R
ext
= 1.5 kΩ 24 28 31
dB
Min Gain (AGC controlled) 12
R
in
Input resistance 1000 kΩ
C
in
Input capacitance 20 pF
IIP3 3
rd
order intercept point @ maximum LNA gain 125 dBµV
IIP2 2
nd
order intercept point @ maximum LNA gain 143 dBµV
AM PIN diode
IIP2 2
nd
order intercept point
Full attenuation,
C
source
= 80 pF, f=1 MHz
140 dBµV
R
min
Minimum resistance 50 80 Ω
C
in
Input capacitance High ohmic 12 pF
AM AGC
AGC-Thr
Referred to mixer input
RF level
min setting 87
dBµV
max setting 93
Thr-steps
Threshold steps 1
dBThreshold error -2.5 2.5
Threshold temperature drift -3 3
Table 8. VCO
Symbol Parameter Test condition Min Typ Max Units
F
VCO
Frequency range VCO 1100 1550 MHz
PN Phase noise of LO
Locked VCO;
values referred @ 100MHz
@ 100 Hz
@ 1 kHz
@ 10 kHz
-100
-115
-115
dBc/Hz
dev Deviation error (rms)
FM reception, deemphasis
50µs, f
audio
=20Hz...20kHz
5Hz
P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P21P22-P24P25-P27P28-P30P31-P32

TDA7703TR

Mfr. #:
Buy TDA7703TR
Manufacturer:
STMicroelectronics
Description:
Tuners AM FM Radio Tuner VCO PLL Dig IF
Lifecycle:
New from this manufacturer.
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