參數(shù)資料
型號： TDA7580
廠商： 意法半導(dǎo)體
英文描述： FM/AM DIGITAL IF SAMPLING PROCESSOR
中文描述： 調(diào)頻/調(diào)幅數(shù)字IF采樣處理器
文件頁數(shù)： 12/31頁
文件大?。?/td> 450K
代理商： TDA7580
TDA7580
12/31
Note: 74.1MHz internal DSP clock, at T
amb
= 25°C. Current due to external loads not included.
OSCILLATOR CHARACTERISTICS
Notes: 1. The accuracy of this figure only depends on the quartz frequency precision: high stability oscillator
QUARTZ CHARACTERISTICS
DSP CORE
FM STEREO DECODER CHARACTERISTICS
I
OSCac
Current through V
OSC
Power
Supply
V
DD
=1.8V,VDD3=3.3V
with quartz in FM mode
11
14
17
mA
I
MTR
Current through V
MTR
Power
Supply
V
DD
=1.8V,VDD3=3.3V
5
mA
Symbol
Parameter
Test Condition
Min.
Typ.
Max.
Unit
F
OSCFM
Oscillator Frequency (XTI/XTO)
V
OSC
@ 3.3V
74.1
MHz
F
OSCAM
Oscillator Frequency (XTI/XTO)
V
OSC
@ 3.3V
74.106
MHz
Parameter Name
Temperature range
Adjustment tolerance (@ 25°C ± 3°C)
Frequency stability (-20°C ÷ +70°C)
Aging @ 25°C
Shunt (static) capacitance (Co)
Packages (holders)
Mode of oscillation
Parameter Value
-55°C ÷ +125°C
+/-20ppm
+/-50ppm
5ppm/year
<6pF
UM-1; HC-52U; HC-35; HC-48U; HC-49U; HC-50U; HC-51U
AT-3
rd
<35ohm
≥
74108000 Hz
target 74.1MHz
Resonance resistance (ESR)
Oscillation Frequency (without external load)
Oscillation Frequency (12pF parallel load)
Symbol
Parameter
Test Condition
Min.
Typ.
Max.
Unit
F
dspMax
Maximum DSP clock frequency
At 1.7V Core Power Supply and
125°C junction temperature
81.5
MHz
Symbol
a_ch
THD
(S+N)/N
Parameter
Test Condition
Min.
50
Typ.
Max.
Unit
dB
%
dB
Channel Separation
Total Harmonic Distortion
Signal plus Noise to Noise ratio
0.02
80
CURRENT CONSUMPTION
(continued)
Symbol
Parameter
Test Condition
Min.
Typ.
Max.
Unit
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