EFM32LG995F256 Energy Micro, EFM32LG995F256 Datasheet - Page 35

• Manufacturer Part Number: EFM32LG995F256
• Description: ARM Microcontrollers - MCU 256KB FL 32KB RAM
• Manufacturer: Energy Micro

Specifications of EFM32LG995F256

• Rohs: yes
• Core: ARM Cortex M3
• Processor Series: Leopard Gecko (LG)
• Data Bus Width: 32 bit
• Maximum Clock Frequency: 48 MHz
• Program Memory Size: 256 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: BGA-120
• Mounting Style: SMD/SMT
• A/d Bit Size: 12 bit
• Interface Type: I2C, SPI, USB, UART
• Number Of Programmable I/os: 93
• Program Memory Type: Flash

2012-09-11 - EFM32LG995FXX - d0124_Rev1.00
Figure 3.18. ADC Absolute Offset, Common Mode = Vdd /2
Figure 3.19. ADC Dynamic Performance vs Temperature for all ADC References, Vdd = 3V
–1
–2
–3
–4
64
71
70
69
68
67
66
65
63
–40
4
0
5
3
2
1
2.0
Offset vs Supply Voltage, Temp = 25°
2.2
Signal to Noise Ratio (SNR)
–15
2.4
2.6
5
Tem perat ure [ ° C]
2.8
Vdd (V)
25
3.0
Preliminary
3.2
45
Vref= 1V25
Vref= 2V5
Vref= 2XVDDVSS
Vref= 5VDIFF
Vref= VDD
3.4
65
3.6
3.8
85
2XVDDVSS
Vdd
5VDIFF
2V5
1V25
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35
–0.5
–1.0
79.4
79.2
79.0
78.8
78.6
78.4
78.2
78.0
2.0
0.0
1.5
1.0
0.5
–40
–40
Spurious-Free Dynamic Range (SFDR)
Offset vs Temperature, Vdd = 3V
–15
–15
5
5
Tem perat ure [ ° C]
Tem p (C)
25
25
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45
45
VRef= 1V25
VRef= 2V5
VRef= 2XVDDVSS
VRef= 5VDIFF
VRef= VDD
65
65
85
85
1V25
Vdd
2V5
2XVDDVSS
5VDIFF