DS72030W200FPV Renesas Electronics America, DS72030W200FPV Datasheet - Page 1075
DS72030W200FPV
Manufacturer Part Number
DS72030W200FPV
Description
MPU, 32BIT, SH7203, ROMLESS, 240QFP
Manufacturer
Renesas Electronics America
Series
SH7200r
Datasheet
1.R5S72030W200FP.pdf
(1686 pages)
Specifications of DS72030W200FPV
Core Size
32bit
Program Memory Size
32KB
Cpu Speed
200MHz
Digital Ic Case Style
QFP
No. Of Pins
240
Supply Voltage Range
1.1V To 1.3V
Operating Temperature Range
-20°C To +85°C
Svhc
No SVHC
Rohs Compliant
Yes
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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Table 20.7 Analog Input Pin Ratings
20.7.5
This LSI's analog input is designed such that conversion precision is guaranteed for an input signal
for which the signal source impedance is 5 kΩ or less. This specification is provided to enable the
A/D converter's sample-and-hold circuit input capacitance to be charged within the sampling time;
if the sensor output impedance exceeds 5 kΩ, charging may be insufficient and it may not be
possible to guarantee A/D conversion precision. However, for A/D conversion in single mode with
a large capacitance provided externally for A/D conversion in single mode, the input load will
essentially comprise only the internal input resistance of 3 kΩ, and the signal source impedance is
ignored. However, as a low-pass filter effect is obtained in this case, it may not be possible to
follow an analog signal with a large differential coefficient (e.g., 5 mV/μs or greater) (see
figure 20.10). When converting a high-speed analog signal, a low-impedance buffer should be
inserted.
Item
Analog input capacitance
Allowable signal-source impedance
Permissible Signal Source Impedance
AN0 to AN7
Note: Values are reference values.
Figure 20.9 Analog Input Pin Equivalent Circuit
3 k
Min.
⎯
⎯
20 pF
Rev. 3.00 Sep. 28, 2009 Page 1043 of 1650
To A/D converter
Max.
20
5
Section 20 A/D Converter (ADC)
REJ09B0313-0300
Unit
pF
kΩ
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