TINY88-15MZ Atmel, TINY88-15MZ Datasheet - Page 172
![no-image](/images/manufacturer_photos/0/0/78/atmel_sml.jpg)
TINY88-15MZ
Manufacturer Part Number
TINY88-15MZ
Description
MCU AVR 8KB FLASH 12MHZ 32-QFN
Manufacturer
Atmel
Series
AVR® ATtinyr
Datasheet
1.TINY88-15MZ.pdf
(246 pages)
Specifications of TINY88-15MZ
Core Processor
AVR
Core Size
8-Bit
Speed
16MHz
Connectivity
I²C, SPI
Peripherals
Brown-out Detect/Reset, POR, WDT
Number Of I /o
28
Program Memory Size
8KB (8K x 8)
Program Memory Type
FLASH
Eeprom Size
64 x 8
Ram Size
512 x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 5.5 V
Data Converters
A/D 8x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 125°C
Package / Case
32-VQFN Exposed Pad, 32-HVQFN, 32-SQFN, 32-DHVQFN
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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17.9
172
Analog Noise Canceling Techniques
ATtiny88 Automotive
In order to avoid distortion from unpredictable signal convolution, signal components higher than
the Nyquist frequency (f
quency components with a low-pass filter before applying the signals as inputs to the ADC.
Figure 17-8. Analog Input Circuitry
Note:
Digital circuitry inside and outside the device generates EMI which might affect the accuracy of
analog measurements. When conversion accuracy is critical, the noise level can be reduced by
applying the following techniques:
• Keep analog signal paths as short as possible.
• Make sure analog tracks run over the analog ground plane.
• Keep analog tracks well away from high-speed switching digital tracks.
• If any port pin is used as a digital output, it mustn’t switch while a conversion is in progress.
• The analog supply voltage pin (AV
(V
CC
) via an LC network as shown in
The capacitor in the figure depicts the total capacitance, including the sample/hold capacitor and
any stray or parasitic capacitance inside the device. The value given is worst case.
ADCn
ADC
/2) should not be present. The user is advised to remove high fre-
I
IH
I
IL
CC
) should be connected to the digital supply voltage pin
Figure
1..100 kOhm
17-9.
C
S/H
= 14 pF
V
CC
/2
9157B–AVR–01/10
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