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TDA7529 データシート(PDF) 27 Page - STMicroelectronics

部品番号 TDA7529
部品情報  RF front-end for AM/FM DSP car-radio with IF sampling
PDF  60 Pages
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メーカー  STMICROELECTRONICS [STMicroelectronics]
ホームページ  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

TDA7529 データシート(HTML) 27 Page - STMicroelectronics

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TDA7529
Electrical specifications
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4.15
GPIO – general purpose IO interface pins
4.16
AFSAMPLE / AFHOLD
Table 22.
GPIO - general purpose IO interface pins
Pin name
GPIO functionality
Multiplexed
functionality details
are given in the
corresponding
chapters
GPIO-Output
GPIO-Input
High level
Low level
Functionality
voltage
voltage
Source
current
voltage
Sink
current
GP1
3.3V
1 mA
0V
1 mA
Analog input ADC
0 ... 3.3V
GP2
3.3V
1 mA
0V
1 mA
Analog input ADC
0 ... 3.3V FM key AGC input
GP4
3.3V
0.1 mA
0V
10 mA
AM cascode VDS input
0 ... 3.3V
GP5
3.3V
1 mA
0V
1 mA
Digital Input
0 / 3.3V
GP6
3.3V
1 mA
0V
1 mA
Digital Input
0 / 3.3V
SPI MISO output
GP7
3.3V
1 mA
0V
1 mA
FM-AGC voltage output
GP8
3.3V
1 mA
0V
1 mA
AM-AGC voltage output
Symbol
Parameter
Test Condition
Min
Typ
Max
Units
High level output voltage
@ 100k
Ω load to GND
VDD-0.3
V
Low level output voltage
@ 100k
Ω load to VDD
0.3
V
High level source current
GP1 / GP2 / GP5 / GP6:
@ 1k
Ω load to GND
0.5
1
mA
High level source current
GP4
@ 1k
Ω load to GND
0.08
0.1
mA
low level sink current
GP1 / GP2 / GP5 / GP6:
@ 1k
Ω load to VDD
0.8
1
mA
low level sink current
GP4:
@ 100
Ω load to VDD
8.0
10
mA
Input impedance
digital input mode
100
k
Ω
Input voltage range
GP1 / GP2
0
3.5
V
High level input voltage
GP5 / GP6 used as digital
input
2.2
3.5
V
Low level input voltage
GP5 / GP6 used as digital
input
-0.05
1.0
V
Table 23.
AFSAMPLE / AFHOLD
Symbol
Parameter
Test Condition, Comments
Min
Typ
Max
Units
Output voltage at
AFSAMPLE/AFHOLD
3.6
V
Maximum sink current
Vo = 0.4V
800
μA



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