TDA7703 Datasheet, PDF (14/32 Pages) STMicroelectronics – Automatic self alignment for image rejection

Electrical specifications
TDA7703
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
IIP3
FM AGC
Input resistance
3^rd order intercept point
up to V_in/tone = 85 dBµV
90
130
170
kΩ
121
dBµV
RFAGC threshold, referred to
mixer input;
RF level
RFAGC-Thr _{Threshold steps}
min setting
max setting
Threshold error
Threshold temperature drift
IFAGC-Thr
IFAGC threshold, referred to
mixer input; at tuned
frequency
RF level
Threshold steps
min setting
max setting
Threshold error
Threshold temperature drift
Pin diode source current
see note⁽¹⁾
Pin diode sink current
Pin diode source current in
constant current mode
see note⁽¹⁾
85
dBµV
91
2
dB
-1.5
1.5
dB
0.016
77
dB/K
dBµV
81
2
dB
-1.5
1.5
dB
0.016
dB/K
12
mA
3
20
µA
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.
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