EFM32WG840F128 Energy Micro, EFM32WG840F128 Datasheet - Page 31

• Manufacturer Part Number: EFM32WG840F128
• Description: ARM Microcontrollers - MCU 128kb flash 32kb RAM
• Manufacturer: Energy Micro

Specifications of EFM32WG840F128

• Rohs: yes
• Core: ARM Cortex M4F
• Processor Series: EFM32WG840
• Data Bus Width: 32 bit
• Maximum Clock Frequency: 48 MHz
• Program Memory Size: 128 KB
• Data Ram Size: 32 KB
• On-chip Adc: Yes
• Operating Supply Voltage: 1.85 V to 3.8 V
• Operating Temperature Range: - 40 C to + 85 C
• Package / Case: QFN-64
• Mounting Style: SMD/SMT

2012-09-11 - EFM32WG840FXX - d0195_Rev1.00
Figure 3.14. Differential Non-Linearity (DNL)
Digit al
ouput
code
4095
4094
4093
4092
5
4
3
2
1
0
Preliminary
0.5
LSB
Ideal t ransfer
curve
DNL= |[ (V
Exa m p le : Input value
V
digit al out put code D
D
Ideal Code Cent er
corrresponds t o
D+ 1
Full Scale Range
Ideal 50%
Transit ion Point
- V
...the world's most energy friendly microcontrollers
Exa m p le : Adjacent
input value V
corrresponds t o digit al
out put code D+ 1
31
D
)/V
Ideal spacing
bet ween t wo
adjacent codes
V
LSBIDEAL
LSBIDEAL
D+ 1
= 1 LSB
] - 1| where 0 < D < 2
Code widt h = 2 LSB
DNL= 1 LSB
Analog Input
Act ual t ransfer
funct ion wit h one
m issing code.
N
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