TDA7331D STMicroelectronics, TDA7331D Datasheet - Page 3

• Manufacturer Part Number: TDA7331D
• Description: Audio DSPs RDS Demodulator
• Manufacturer: STMicroelectronics

Specifications of TDA7331D

• Mounting Style: SMD/SMT
• Package / Case: SO-20
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

THERMAL DATA
ELECTRICAL CHARACTERISTICS (T
(1) The 3rd harmonic (57kHz) must be less than -40dB with respect to the input signal plus gain.
FILTER
DEMODULATOR
OSCILLATOR
Input pins (EXTRES, FSEL, TM)
Input pin (OSEL)
Output pins (RDCL, RDDA, ARI, QUAL, T57)
Symbol
R
Symbol
VCLH
VCLL
th j-amb
V
V
BW
S/N
V
V
I
V
V
I
V
V
R
R
PU
I
f
G
REF
PD
A
OH
C
OL
PP
S
IN
IH
IL
S
L
I
Thermal Resistance Junction-Ambient
Supply voltage
Supply current
Center frequency
3dB Bandwidth
Gain
Attenuation
Input impedance of MPX
Load impedance on FILOUT
Signal to noise ratio
MPX input signal
Reference
Input Current
Input Current
Input voltage high
Input voltage low
Ouput voltage high
Output voltage low
Input level OSCIN pin
Input level OSCIN pin
Amplitude OSCOUT
Amplitude OSCIN
(for external drive)
Parameter
Description
amb
= 25°C, V
f = 57kHz
f = 38kHz
f = 67kHz
V
f = 19kHz; T3
f = 57kHz (RDS+ ARI)
V
V
I
I
OSEL = open circuit
OSEL = open circuit
OSEL = open circuit
OSEL = GND,
f = 4.332MHz
OSEL = GND,
f = 8.664MHz
OSEL = GND,
f = 17.328MHz
L
L
f
IN
IN
IN
= 0.5mA
= 0.5mA
= 3mV
= 5V (pull-down input)
= 0V (pull-up input)
4kHz
Test Condition
RMS
S
= 5V, unless otherwise specified).
40dB(1)
Max
all with internal pull down resistor
0.7 V
DIP20
Min.
56.5
4.5
2.5
-25
100
80
15
18
18
50
35
30
1
4
4
with internal pull up resistor
S
0.8 V
0.2 V
Typ.
V
120
100
120
150
7.5
4.6
0.4
4.5
57
20
22
60
45
40
S
5
3
/2
S
S
SO20
200
0.3 V
Max.
1000
11.0
57.5
150
-10
5.5
3.5
22
50
30
1
1
TDA7331
S
mV
mV
mVpp
mVpp
mVpp
Unit
Unit
C/W
kHz
kHz
M
mA
K
dB
dB
dB
dB
dB
V
V
V
V
V
V
V
V
V
RMS
RMS
A
A
3/7