Philips Semiconductors
IF amplifier/demodulator for FM radio
receivers
Product specification
TDA1599
CHARACTERISTICS (TDA1599T PINNING)
VP = 8.5 V; Tamb = +25 °C; FM-MUTE-ON (I7 = 0); fIF = 10.7 MHz; deviation ±22.5 kHz with fm = 400 Hz; Vi = 10 mV RMS
at pin 20; de-emphasis of 50 µs; tuned circuit at pins 10 and 11 aligned for symmetrical stop pulses; measurements
taken in Fig.4 unless otherwise specified.
SYMBOL
PARAMETER
VP
positive supply voltage (pin 1)
IP
supply current
Mode switch input
I7
input current for FM-MUTE-ON
V7
input voltage for FM-MUTE-ON
input voltage for FM-MUTE-OFF
input voltage for FM-OFF
CONDITIONS
I2 = I7 = 0
MIN.
7.5
−
TYP. MAX. UNIT
8.5 12
V
20 26
mA
−
0
−
mA
2.4
2.8 3.2 V
0.9VREF −
−
V
AF attenuation > 60 dB
−
−
1.4 V
IF amplifier and demodulator
Zi
demodulator input impedance
between pins 10 and 11
Ci
demodulator input capacitance
between pins 10 and 11
25
40 55
kΩ
−
6
−
pF
AF output (pin 4)
Ro
V4
RR1000
output resistance
DC output level
ViIF ≤ 5 µV RMS on pin 20
power supply ripple rejection on pin 4 f = 1000 Hz;
Vripple = 50 mV RMS
Tuning stop detector
∆f
∆f
V20
V14, 15
detuning frequency for STOP-0
for V15 ≥ 3.5 V
for V15 ≤ 0.3 V
detuning frequency for STOP-1
for V14 ≥ 3.5 V
for V14 ≤ 0.3 V
dependence on input voltage for
STOP-0 and STOP-1 (RMS value)
output voltage
on pin 15; Fig.11
on pin 14; Fig.10
Fig.9;
V14, 15 ≥ 3.5 V
V14, 15 ≤ 0.3 V
I14, 15 = 1 mA
Reference voltage source (pin 5)
VREF
R5
TC
reference output voltage
output resistance
temperature coefficient
I5 = −1 mA
I5 = −1 mA
−
2.75
33
−
+22.0
−
−22.0
250
−
−
3.3
−
−
400 −
Ω
3.1 3.45 V
36 −
dB
−
+14.0 kHz
−
−
kHz
−
−14.0 kHz
−
−
kHz
−
−
µV
−
50
µV
−
0.3 V
3.7 4.1
40 80
3.3 −
V
Ω
mV/VK
May 1994
7