ATMEGA48A-MMHR Atmel, ATMEGA48A-MMHR Datasheet - Page 328
![IC MCU AVR 4K FLASH 28QFN](/photos/12/32/123209/28m1-vqfn_sml.jpg)
ATMEGA48A-MMHR
Manufacturer Part Number
ATMEGA48A-MMHR
Description
IC MCU AVR 4K FLASH 28QFN
Manufacturer
Atmel
Series
AVR® ATmegar
Datasheet
1.ATMEGA48A-MMHR.pdf
(566 pages)
Specifications of ATMEGA48A-MMHR
Package / Case
28-VQFN Exposed Pad, 28-HVQFN, 28-SQFN, 28-DHVQFN
Voltage - Supply (vcc/vdd)
1.8 V ~ 5.5 V
Operating Temperature
-40°C ~ 85°C
Speed
20MHz
Number Of I /o
23
Eeprom Size
256 x 8
Core Processor
AVR
Program Memory Type
FLASH
Ram Size
512 x 8
Program Memory Size
4KB (4K x 8)
Data Converters
A/D 8x10b
Oscillator Type
Internal
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Connectivity
I²C, SPI, UART/USART
Core Size
8-Bit
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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28.8
Table 28-16. ADC Characteristics
Note:
8271C–AVR–08/10
Symbol
AV
R
V
R
V
V
REF
REF
CC
AIN
INT
IN
(1)
ADC Characteristics
1. AV
Parameter
Resolution
Absolute accuracy (Including
INL, DNL, quantization error,
gain and offset error)
Integral Non-Linearity (INL)
Differential Non-Linearity
(DNL)
Gain Error
Offset Error
Conversion Time
Clock Frequency
Analog Supply Voltage
Reference Voltage
Input Voltage
Input Bandwidth
Internal Voltage Reference
Reference Input Resistance
Analog Input Resistance
CC
absolute min./max: 1.8V/5.5V
ATmega48A/48PA/88A/88PA/168A/168PA/328/328
V
ADC clock = 200 kHz
V
ADC clock = 1 MHz
V
ADC clock = 200 kHz
Noise Reduction Mode
V
ADC clock = 1 MHz
Noise Reduction Mode
V
ADC clock = 200 kHz
V
ADC clock = 200 kHz
V
ADC clock = 200 kHz
V
ADC clock = 200 kHz
Free Running Conversion
REF
REF
REF
REF
REF
REF
REF
REF
= 4V, V
= 4V, V
= 4V, V
= 4V, V
= 4V, V
= 4V, V
= 4V, V
= 4V, V
Condition
CC
CC
CC
CC
CC
CC
CC
CC
= 4V,
= 4V,
= 4V,
= 4V,
= 4V,
= 4V,
= 4V,
= 4V,
V
CC
GND
Min.
1.0
1.0
13
50
- 0.3
0.25
38.5
Typ
100
4.5
4.5
0.5
1.1
10
32
2
2
2
2
V
CC
AV
1000
V
Max
260
1.2
REF
+ 0.3
CC
Units
LSB
LSB
LSB
LSB
LSB
LSB
LSB
LSB
Bits
kHz
kHz
MΩ
kΩ
µs
V
V
V
V
328
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