参数资料
型号: EFM32LG280F256
厂商: Energy Micro
文件页数: 31/69页
文件大小: 0K
描述: IC MCU 32BIT 256KB FLASH QFP100
标准包装: 1,000
系列: Leopard Gecko
核心处理器: ARM? Cortex?-M4
芯体尺寸: 32-位
速度: 48MHz
连通性: EBI/EMI,I²C,IrDA,智能卡,SPI,UART/USART
外围设备: 欠压检测/复位,DMA,POR,PWM,WDT
输入/输出数: 86
程序存储器容量: 256KB(256K x 8)
程序存储器类型: 闪存
RAM 容量: 32K x 8
电压 - 电源 (Vcc/Vdd): 1.85 V ~ 3.8 V
数据转换器: A/D 8x12b,D/A 2x12b
振荡器型: 外部
工作温度: -40°C ~ 85°C
封装/外壳: 100-LQFP
包装: 带卷 (TR)
Preliminary
...the world's most energy friendly microcontrollers
2013-06-28 - EFM32LG280FXX - d0107_Rev1.10
37
www.energymicro.com
Symbol
Parameter
Condition
Min
Typ
Max
Unit
500 kSamples/s, 12 bit, differ-
ential, internal 2.5V reference
58
dB
500 kSamples/s, 12 bit, differ-
ential, VDD reference
59
dB
500 kSamples/s, 12 bit, sin-
gle ended, internal 1.25V ref-
erence
57
dB
500 kSamples/s, 12 bit, sin-
gle ended, internal 2.5V refer-
ence
54
dB
500 kSamples/s, 12 bit, dif-
ferential, internal 1.25V refer-
ence
56
dB
500 kSamples/s, 12 bit, differ-
ential, internal 2.5V reference
53
dB
SNDRDAC
Signal to Noise-pulse Dis-
tortion Ratio (SNDR)
500 kSamples/s, 12 bit, differ-
ential, VDD reference
55
dB
500 kSamples/s, 12 bit, sin-
gle ended, internal 1.25V ref-
erence
62
dBc
500 kSamples/s, 12 bit, sin-
gle ended, internal 2.5V refer-
ence
56
dBc
500 kSamples/s, 12 bit, dif-
ferential, internal 1.25V refer-
ence
61
dBc
500 kSamples/s, 12 bit, differ-
ential, internal 2.5V reference
55
dBc
SFDRDAC
Spurious-Free Dynamic
Range(SFDR)
500 kSamples/s, 12 bit, differ-
ential, VDD reference
60
dBc
After calibration, single ended
2
mV
VDACOFFSET
Offset voltage
After calibration, differential
2
mV
DNLDAC
Differential non-linearity
±1
LSB
INLDAC
Integral non-linearity
±5
LSB
MCDAC
No missing codes
12
bits
3.12 Operational Amplifier (OPAMP)
The electrical characteristics for the Operational Amplifiers are based on simulations.
Table 3.16. OPAMP
Symbol
Parameter
Condition
Min
Typ
Max
Unit
(OPA2)BIASPROG=0xF,
(OPA2)HALFBIAS=0x0, Unity
Gain
400
A
IOPAMP
Active Current
(OPA2)BIASPROG=0x7,
(OPA2)HALFBIAS=0x1, Unity
Gain
100
A
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