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參數(shù)資料
| 型號(hào)： | TDA7500 |
| 廠商： | 意法半導(dǎo)體 |
| 英文描述： | DIGITAL AM/FM SIGNAL PROCESSOR |
| 中文描述： | 數(shù)字調(diào)幅/調(diào)頻信號(hào)處理器 |
| 文件頁數(shù)： | 8/14頁 |
| 文件大?。?/td> | 153K |
| 代理商： | TDA7500 |
RECOMMENDED DC OPERATING CONDITIONS
Symbol
V
DDC
T
j
Parameter
Test Condition
Min.
3
-40
Typ.
3.3
Max.
3.6
125
Unit
V
°C
3.3V Power Supply Voltage
Operating Junction Temperature
POWER CONSUMPTION
Symbol
I
dd
Parameter
Value
450
Unit
mA
Maximum current for core power supply @3.3V
Note: 43MHz internal DSP clock at Tamb
ADC PERFORMANCE
Some of the relevant ADC parameters are reported in the following table:
(T = 25°C, AV
DD
= 3.3V, measurement bandwidth 10Hz to 20KHz, A-Weighted Filter.)
Symbol
Parameter
Test Condition
Min.
Typ.
Max.
1
48
Unit
Vrms
KHz
dB
dB
dB
dB
dB
K
dB
dB
Maximum input level (1)
Sample rate
Frequency Response
Instant Dynamic Range
SNR
(THD + N)/S
PSRR
Input Impedance
Crosstalk
Gain mismatch between four
input
CMRR
CM Input range
32
@ 20KHz with f
s
= 44.1KHz
-60dB analog input
1KHz; -3dB analog input
-3dB analog input
0.1Vp @ 1KHz
-3
93
93
-85
90
90
45
10
70
-0.5
30
1Vrms input @ 15KHz
@ 1KHz
0.5
@ 1KHz
40
dB
mV
100
(1) Corresponding to 2VRMS Maximum Differential Input.
DAC PERFORMANCE
Some of the relevant DAC parameters are reported in the following table:
(T = 25°C, AV
DD
= 3.3V, measurement bandwidth 10Hz to 20KHz, A-Weighted Filter 0dB gain, output
load 30k
)
Symbol
Parameter
Test Condition
Min.
Typ.
Max.
1
48
Unit
Vrms
KHz
dB
dB
dB
dB
dB
dB
dB
k
dB
dB
Maximum output level (1)
Sample rate
Frequency Response
Dynamic Range
SNR
Total D R
Digital Silence
(THD + N)/S
PSRR
Output Impedance
Crosstalk
Gain mismatch between six
outputs
32
@ 20KHz with f
s
= 44.1KHz
-60dB analog input
1KHz -3dB analog output
-3
93
93
100
93
-85
90
90
0000$ digital input
-3dB analog input
0.1Vp @ 1KHz
45
30
70
-0.5
1Vrms output @ 15KHz
@ 1KHz
0.5
(1) Corresponding to 2VRMS Maximum Differential Output.
TDA7500
8/14
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