TDA7332 Ver la hoja de datos (PDF) - STMicroelectronics
Número de pieza
componentes Descripción
Lista de partido
TDA7332 Datasheet PDF : 6 Pages
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TDA7332
otherwise specified)
Symbol
Parameter
Test Condition
Min. Typ. Max. Unit
SUPPLY SECTION
VCC
Supply Voltage
4.5
5 5.5
V
IS
Supply Current
6
9
14 mA
FILTER
FC
Center Frequency
56.5 57 57.5 KHz
BW
3dB Bandwidth
2.5
3 3.5 KHz
G
Gain
f = 57KHz
18
20 22 dB
A
Attenuation
∆f = ±4KHz
18
22
dB
f = 38KHz; Vi = 500mVrms
50
80
dB
f = 67KHz; Vi = 250mVrms
35
50
dB
∆Ph
Phase non linearity
A (see note1)
0.5 5 DEG
B (see note1)
1 7.5 DEG
C (see note1)
t(s) Ri
Input Impedance
S/N
Signal to Noise Ratio
Vi = 3mVrms
duc Vi
Input Signal
f = 19KHz; T3 < –40dB (see note2)
f = 57KHz (RDS + ARI)
ro RL
Load Impedance
Pin 12
P LIMITER
te RA
Resistance pin 8-12
le VOL
Comp. Output LOW
so VOH
Comp. Output HIGH
b Duty Cycle
IO = +0.5mA
IO = –0.5mA
Vi = 1mVrms
O OSCILLATOR
ct(s) - FOSC
Oscillator Frequency
Output Amplitude
FSEL = Open
FSEL = Closed to Ground
u VCLL
rod VOLH
Clock Input Level LOW
Clock Input Level HIGH
P CRYSTAL TYPE = EURO QUARTZ
Note (1):
te The phase non linearity is defined as: DPh = | -2 ff2 + ff1 + ff3 |
le where ffx is the input-output phase difference at the frequency fx (x = 1,2,3)
so Table 4.
Ob Measure
f1 (KHz)
f2 (KHz)
f3 (KHz)
2
10 DEG
100 160 200 KΩ
30
40
dB
1 Vrms
50 mVrms
100
KΩ
15
21 28 KΩ
1
V
4
V
50
%
4.332
MHz
8.664
MHz
4.5
VPP
1
V
4
V
∆Ph max
A
56.5
57
57.5
<5°
B
56
57
58
<7.5°
C
55.5
57
58.5
<10°
Note (2): The 3th harmonic (57KHz) at the output (pin12) must be less than -40dB in respect to the input signal plus gain.
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