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參數(shù)資料
| 型號： | TDA7331 |
| 廠商： | STMICROELECTRONICS |
| 元件分類： | 消費家電 |
| 英文描述： | SPECIALTY CONSUMER CIRCUIT, PDIP20 |
| 封裝： | DIP-20 |
| 文件頁數(shù)： | 3/7頁 |
| 文件大小： | 210K |
| 代理商： | TDA7331 |
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THERMAL DATA
Symbol
Description
DIP20
SO20
Unit
Rth j-amb
Thermal Resistance Junction-Ambient
Max
100
200
°C/W
ELECTRICAL CHARACTERISTICS (Tamb = 25°C, VS = 5V, unless otherwise specified).
Symbol
Parameter
Test Condition
Min.
Typ.
Max.
Unit
VS
Supply voltage
4.5
5
5.5
V
IS
Supply current
7.5
11.0
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
50
60
dB
f = 67kHz
35
45
dB
RI
Input impedance of MPX
80
120
150
K
RL
Load impedance on FILOUT
1
M
S/N
Signal to noise ratio
VIN = 3mVRMS
30
40
dB
VIN
MPX input signal
f = 19kHz; T3
≤ 40dB(1)
f = 57kHz (RDS+ ARI)
1000
50
mVRMS
VREF
Reference
VS/2
V
DEMODULATOR
Input pins (EXTRES, FSEL, TM)
all with internal pull down resistor
Input pin (OSEL)
with internal pull up resistor
IPD
Input Current
VIN = 5V (pull-down input)
15
30
A
IPU
Input Current
VIN = 0V (pull-up input)
-25
-10
A
VIH
Input voltage high
0.7
VS 0.8 VS
V
VIL
Input voltage low
0.2
VS 0.3 VS
V
Output pins (RDCL, RDDA, ARI, QUAL, T57)
VOH
Ouput voltage high
IL = 0.5mA
4
4.6
V
VOL
Output voltage low
IL = 0.5mA
0.4
1
V
OSCILLATOR
VCLL
Input level OSCIN pin
OSEL = open circuit
1
V
VCLH
Input level OSCIN pin
OSEL = open circuit
4
V
Amplitude OSCOUT
OSEL = open circuit
4.5
V
VPP
Amplitude OSCIN
(for external drive)
OSEL = GND,
f = 4.332MHz
100
mVpp
OSEL = GND,
f = 8.664MHz
120
mVpp
OSEL = GND,
f = 17.328MHz
150
mVpp
(1) The 3rd harmonic (57kHz) must be less than -40dB with respect to the input signal plus gain.
TDA7331
3/7
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TDA7331D | 功能描述:音頻 DSP RDS Demodulator RoHS:否 制造商:Texas Instruments 工作電源電壓: 電源電流: 工作溫度范圍: 安裝風(fēng)格: 封裝 / 箱體: 封裝:Tube |
| TDA7331DTR | 功能描述:音頻 DSP RDS Demodulator RoHS:否 制造商:Texas Instruments 工作電源電壓: 電源電流: 工作溫度范圍: 安裝風(fēng)格: 封裝 / 箱體: 封裝:Tube |
| TDA7332 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:RDS FILTER |
| TDA7332D | 功能描述:音頻 DSP RDS Filter RoHS:否 制造商:Texas Instruments 工作電源電壓: 電源電流: 工作溫度范圍: 安裝風(fēng)格: 封裝 / 箱體: 封裝:Tube |
| TDA7333 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:RDS/RBDS PROCESSOR |
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