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STR720 bảng dữ liệu(PDF) 391 Page - STMicroelectronics

tên linh kiện STR720
Giải thích chi tiết về linh kiện  ARM720T 16/32-BIT MCU WITH 16K RAM, USB, CAN, 3 TIMERS, ADC, 6 COMMUNICATIONS INTERFACES
PDF  401 Pages
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nhà sản xuất  STMICROELECTRONICS [STMicroelectronics]
Trang chủ  http://www.st.com
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STR720 bảng dữ liệu(HTML) 391 Page - STMicroelectronics

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STR720 - ELECTRICAL CHARACTERISTICS
391/401
Where RIN can be defined by the following formula.
All parameters required to describe ADC input pads are reported in the following table.
1.
VDD(all) = 1.80 V ± 10%, VDD3(all) = 3.30 V ± 10%, TA = -40 / +85 °C unless otherwise specified.
2.
Data based on design guidelines, not tested in production.
3.
Data based on design characterization performed on sample devices, not tested in production.
4.
Data based on design guidelines and validation, not tested in production.
Table 106. ADC Input Characteristics
Symbol
Parameter
Test Conditions(1)
Value
Unit
Min.
Typ
Max
CIN
Analog input capacitance(2)
See Figure 79.
CIN = CP1+CP2+CS
--
5
pF
FMOD
Modulator frequency(3)
(oversampling clock)
--
4
MHz
K
Equivalent analog input
resistor constant(4)
See Figure 80.
In single channel mode value
must be divided by 4.
1728
2160
2592
k
Ω⋅MHz
RIN
Equivalent analog
input resistance(4)
See Figure 80.
FMOD = 4 MHz,
round-robin mode.
-
540
-
k
Ω
VCM
Common mode voltage(2)
1.19
1.25
1.31
V
fAIN
Analog input bandwidth(2)
(FMOD/4096)
FMOD = 4 MHz
-
-
976
Hz
ts
Conversion time
FMOD = 4 MHz
128
ns
R
IN
K
1
F
MOD
---------------
⋅
=



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