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參數(shù)資料
| 型號： | TDA7730B |
| 廠商： | 意法半導(dǎo)體 |
| 英文描述： | SINGLE CHIP RDS DEMODULATOR + FILTER |
| 中文描述： | 單片RDS解調(diào)器過濾器 |
| 文件頁數(shù)： | 3/9頁 |
| 文件大?。?/td> | 1441K |
| 代理商： | TDA7730B |
ELECTRICAL CHARACTERISTICS
(V
CC
= 5V, Tamb = 25
°
C; R
g
= 600
; fosc = 4.332MHz;
V
IN
= 20mVrms unless otherwise specified)
Symbol
SUPPLY
Parameter
Test Condition
Min.
Typ.
Max.
Unit
V
CC
I
S
R
POR
POR
ON
FILTER(measured an pin 4 FILOUT)
Supply Voltage
Supply Current
POR Pull Down Resistor
POR Threshold
4.5
5
9
40
2.5
5.5
V
mA
K
V
pin 20
F
C
BW
G
A
Center Frequency
3dB Bandwidth
Gain
Attenuation
56.5
2.5
18
18
50
35
57
3
20
22
80
50
0.5
1
2
160
40
57.5
3.5
22
KHz
KHz
dB
dB
dB
dB
DEG
DEG
DEG
K
dB
Vrms
mVrms
K
f = 57KHz
f = +4KHz
f = 38KHz; V
i
= 500mVrms
f = 67KHz; V
i
= 250mVrms
A (see note1)
B (see note1)
C (see note1)
Ph
Phase non linearity
5
7.5
10
200
R
i
S/N
V
i
Input Impedance
Signal to Noise Ratio
Maximum Input Signal Capability
100
30
V
i
= 3mVrms
f = 19KHz; T3 < –40dB (see note2)
f = 57KHz (RDS + ARI)
Pin 4
1
50
R
L
Load Impedance
100
CROSS DETECTOR
RA
Resistance pin 3-4
15
21
28
K
OSCILLATOR
F
OSC
Oscillator Frequency
F
SEL
= Open (*)
F
SEL
= Closed to V
CC
(**)
4.332
8.664
MHz
MHz
V
V
V
PP
VCLL
VCLH
Clock Input level LOW (pin 10)
Clock Input Level HIGH (pin 10)
Output Amplitude (pin 9)
1
4
4.5
(*) FSEL pin has an internal 40K
pull down resistor A 4.332MHz QUARTZ must be used (**) A 8.664MHz QUARTZ must be used.
DEMODULATOR
f
O
S
RDS
S
ARI
T
lock
V
OH
V
OL
f
RDS
t
D
Max Oscillator Deviation
RDS Detection Sensitivity
ARI Detection Sensitivity
RDS Lockup Time
Output HIGH Voltage
Output LOW Voltage
Data Rate for RDS
RDDA Transition versus RDCL
F
SEL
= Open
+ 1.2
KHz
mVrms
mVrms
ms
V
V
Hz
μ
sec
1
3
100
I
L
= 0.5mA; pins 12, 13, 14, 15
I
L
= 0.5mA; pins 12, 13, 14, 15
RDCL pin
(see figure 2)
4
1
1187.5
4.3
Note(1):
The phase non linearity is defined as:
Ph = | -2
φ
f2 +
φ
f1 +
φ
f3 |
where
φ
fx is the input-output phase difference at the frequency fx (x = 1,2,3)
TDA7330B
3/9
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PDF描述 |
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| TDA7330 | SINGLE CHIP RDS DEMODULATOR FILTER |
| TDA7330B | Single Chip RDS Demodulator + Filter(單片RDS解調(diào)器和濾波器) |
| TDA7331 | SINGLE CHIP RDS DEMODULATOR+ FILTER |
| TDA7331D | SINGLE CHIP RDS DEMODULATOR+ FILTER |
| TDA7332 | RDS FILTER |
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