- 您现在的位置：买卖IC网 > PDF目录98195 > TDA7420 (STMICROELECTRONICS) SPECIALTY CONSUMER CIRCUIT, PQFP64 PDF资料下载
参数资料
| 型号： | TDA7420 |
| 厂商： | STMICROELECTRONICS |
| 元件分类： | 消费家电 |
| 英文描述： | SPECIALTY CONSUMER CIRCUIT, PQFP64 |
| 封装： | 14 X 14 MM, TQFP-64 |
| 文件页数： | 27/29页 |
| 文件大小： | 230K |
| 代理商： | TDA7420 |
第1页第2页第3页第4页第5页第6页第7页第8页第9页第10页第11页第12页第13页第14页第15页第16页第17页第18页第19页第20页第21页第22页第23页第24页第25页第26页当前第27页第28页第29页
STEREO DECODER PART
ELECTRICAL CHARACTERISTICS (VS = 8.5V; de-emphasis time: T = 50
s; nominal MPX input volt-
age on pin 61 (composite): VMPX = 0.5VRMS (75KHz deviation); modulation frequency = 1KHz;
GI = 1.5dB; Tamb =27
°C; unless otherwise specified)
Symbol
Parameter
Test Condition
Min.
Typ.
Max.
Unit
SVRR
Supply Voltage Ripple Rejection
VRIPPLE = 100mV; f = 1KHz
50
65
dB
VO
DC Output Voltage (HCL, HCR)
3.95
4.25
4.55
V
α
Channel Separation
VSB -VR = 100mVDC
50
dB
THD
Total Harmonic Distortion
0.02
0.3
%
S
+ N
N
Signal Plus Noise to Noise Ratio
f = 20Hz to 16KHz;
S=2VRMS
91
dB
MONO/ STEREO SWITCH
VINTH
Pilot Threshold Voltage
for stereo ”ON” Pth =1
Pth =0
12
19
16
26
22
34
mVRMS
VINTH
Pilot Threshold Voltage
for stereo ”OFF” Pth =1
Pth =0
8
16
14
22
20
28
mVRMS
STEREO BLEND
VSB-VR
Control Voltage for Channel
Separation
α = 6dB; (note 5)
-300
-250
-200
mV
α = 26dB;
-80
mV
HIGH CUT CONTROL
τdeemp
De-Emphasis Time Constant
CL,CR = 1nF; STDDS = 0
VHCC -VR = 100mV
43
50
57
s
CL,CR = 1nF; STDDS = 1
VHCC -VR = 100mV
64
75
86
s
RHCC
High Cut Control Resistance
VHCC -VR = 100mV; STDDS = 0
43
50
57
K
VHCC -VR = -0.5V (note 5)
115
150
185
K
VCO
fOSC
Oscillator Frequency
456
KHz
f/f
Capture and Hold Range
0.5
1
%
CARRIER AND HARMONIC SUPPRESSION AT THE OUTPUT
α19
Pilot Signal f = 19KHz
40
55
dB
α38
Subcarrier f = 38KHz
75
dB
α57
Subcarrier f = 57KHz
62
dB
α76
Subcarrier f = 76KHz
90
dB
INTERMODULATION (note 1)
α2fmod = 10KHz; fspur = 1KHz
65
dB
α3fmod = 13KHz; fspur = 1KHz
75
dB
TRAFFIC RADIO (note 2)
α57
Signal f = 57KHz
70
dB
SCA - SUBSIDIARY COMMUNICATIONS AUTHORIZATION (note 3)
α67
Signal f = 67KHz
75
dB
ACI - ADJACENT CHANNEL INTERFERENCE (note4)
α114
Signal f = 114KHz
95
dB
α190
Signal f = 190KHz
84
dB
TDA7420
7/29
相关PDF资料 |
PDF描述 |
|---|---|
| TDA7421N | AM/FM, AUDIO SINGLE CHIP RECEIVER, PQFP64 |
| TDA7421 | AUDIO SINGLE CHIP RECEIVER, PQFP64 |
| TDA7427AAD1 | PLL FREQUENCY SYNTHESIZER, 200 MHz, PDSO28 |
| TDA7427AD | PLL FREQUENCY SYNTHESIZER, 200 MHz, PDSO28 |
| TDA7427AD1TR | PLL FREQUENCY SYNTHESIZER, 200 MHz, PDSO28 |
相关代理商/技术参数 |
参数描述 |
|---|---|
| TDA7421 | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:AM/FM TUNER FOR CAR RADIO AND Hi-Fi APPLICATIONS |
| TDA7421N | 制造商:ST 功能描述:AM/FM TUNER FOR CAR RADIO AND HI-FI APPLICATIONS |
| TDA7427 | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:AM-FM RADIO FREQUENCY SYNTHESIZER AND IF COUNTER |
| TDA7427A | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:AM-FM RADIO FREQUENCY SYNTHESIZER AND IF COUNTER |
| TDA7427AAD | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:AM-FM RADIO FREQUENCY SYNTHESIZER AND IF COUNTER |
发布紧急采购，3分钟左右您将得到回复。