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参数资料
| 型号： | TDA7478D |
| 厂商： | STMICROELECTRONICS |
| 元件分类： | 消费家电 |
| 英文描述： | SPECIALTY CONSUMER CIRCUIT, PDSO16 |
| 封装： | SOP-16 |
| 文件页数： | 3/8页 |
| 文件大小： | 173K |
| 代理商： | TDA7478D |
3/8
TDA7478
Table 4. Absolute Maximum Ratings
(1) The 3rd harmonic (57kHz) must be less than -40dB with respect to the input signal plus gain.
Symbol
Parameter
Value
Unit
VS
Supply Voltage
-0.3 to 7
V
Top
Operating Temperature Range
-40 to 85
°C
Tstg
Storage Temperature
-55 to 150
°C
Table 5. Electrical Characteristcs
(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
12.0
mA
FILTER
fC
Center frequency
56.6
57
57.4
kHz
BW
3dB Bandwidth
2.5
3
3.5
kHz
G
Gain
f = 57kHz
17
20
23
dB
A
Attenuation
f ± 4kHz
22
dB
f = 38kHz
60
dB
f = 67kHz
45
dB
RI
Input impedance of MPX
120
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)
1000
50
mVRMS
SRDS
RDS Detection Sensitivity
1
mVrms
SARI
ARI Detection Sensitivity
3
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, 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
OSEL = GND, f = 8.664MHz
100
120
mVpp
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相关代理商/技术参数 |
参数描述 |
|---|---|
| TDA7479 | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:SINGLE CHIP RDS DEMODULATOR FILTER |
| TDA7479_04 | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:SINGLE CHIP RDS DEMODULATOR + FILTER |
| TDA7479_08 | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:Single chip RDS demodulator filter |
| TDA7479AD | 功能描述:射频无线杂项 INFOTAINMENT SIGNAL RoHS:否 制造商:Texas Instruments 工作频率:112 kHz to 205 kHz 电源电压-最大:3.6 V 电源电压-最小:3 V 电源电流:8 mA 最大功率耗散: 工作温度范围:- 40 C to + 110 C 封装 / 箱体:VQFN-48 封装:Reel |
| TDA7479ADTR | 功能描述:射频无线杂项 SINGLE CHIP DEMOD RoHS:否 制造商:Texas Instruments 工作频率:112 kHz to 205 kHz 电源电压-最大:3.6 V 电源电压-最小:3 V 电源电流:8 mA 最大功率耗散: 工作温度范围:- 40 C to + 110 C 封装 / 箱体:VQFN-48 封装:Reel |
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