TDA7703 Datasheet, PDF (15/32 Pages) STMicroelectronics – Automatic self alignment for image rejection

TDA7703
Electrical specifications
3.4.2 AM - section
Table 7. AM - section
Symbol
Parameter
AM IMR Mixer
R_in
Input resistance
IIP3
3^rd order intercept point
IIP2
2^nd order intercept point
LO hsupp LO harmonic suppression
AM LNA
Gain Voltage gain
R_in
Input resistance
C_in
Input capacitance
IIP3
3^rd order intercept point
IIP2
2^nd order intercept point
AM PIN diode
IIP2
2^nd order intercept point
R_min
C_in
AM AGC
Minimum resistance
Input capacitance
AGC-Thr
Thr-steps
Referred to mixer input
RF level
Threshold steps
Threshold error
Threshold temperature drift
Test condition
up to V_in/tone = 90 dBµV
up to V_in/tone = 90 dBµV
N=2,3,4,5,6
N=7,9
Max Gain, R_ext = 1.5 kΩ
Min Gain (AGC controlled)
@ maximum LNA gain
@ maximum LNA gain
Full attenuation,
C_source = 80 pF, f=1 MHz
High ohmic
min setting
max setting
3.4.3 VCO
Table 8. VCO
Symbol
Parameter
F_VCO Frequency range VCO
PN
Phase noise of LO
dev
Deviation error (rms)
Test condition
Locked VCO;
values referred @ 100MHz
@ 100 Hz
@ 1 kHz
@ 10 kHz
FM reception, deemphasis
50µs, f_audio=20Hz...20kHz
Min
20
24
-2.5
-3
Min
1100
Typ
30
129
158
100
85
28
12
1000
20
125
143
140
50
12
87
93
1
Typ
-100
-115
-115
5
Max Units
45
kΩ
dBµV
dBµV
dB
31
dB
kΩ
pF
dBµV
dBµV
dBµV
80
Ω
pF
dBµV
2.5
dB
3
Max
1550
Units
MHz
dBc/Hz
Hz
Rev 1
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