參數(shù)資料
型號: EFM32LG840F128
廠商: Energy Micro
文件頁數(shù): 31/67頁
文件大小: 0K
描述: IC MCU 32BIT 128KB FLASH QFN64
標準包裝: 1,000
系列: Leopard Gecko
核心處理器: ARM? Cortex?-M4
芯體尺寸: 32-位
速度: 48MHz
連通性: I²C,IrDA,智能卡,SPI,UART/USART
外圍設備: 欠壓檢測/復位,DMA,LCD,POR,PWM,WDT
輸入/輸出數(shù): 56
程序存儲器容量: 128KB(128K x 8)
程序存儲器類型: 閃存
RAM 容量: 32K x 8
電壓 - 電源 (Vcc/Vdd): 1.85 V ~ 3.8 V
數(shù)據(jù)轉換器: A/D 8x12b,D/A 2x12b
振蕩器型: 外部
工作溫度: -40°C ~ 85°C
封裝/外殼: 64-WFQFN 裸露焊盤
包裝: 帶卷 (TR)
Preliminary
...the world's most energy friendly microcontrollers
2013-06-28 - EFM32LG840FXX - d0115_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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EFM32LG840F256 功能描述:ARM微控制器 - MCU 256KB FL 32KB RAM RoHS:否 制造商:STMicroelectronics 核心:ARM Cortex M4F 處理器系列:STM32F373xx 數(shù)據(jù)總線寬度:32 bit 最大時鐘頻率:72 MHz 程序存儲器大小:256 KB 數(shù)據(jù) RAM 大小:32 KB 片上 ADC:Yes 工作電源電壓:1.65 V to 3.6 V, 2 V to 3.6 V, 2.2 V to 3.6 V 工作溫度范圍:- 40 C to + 85 C 封裝 / 箱體:LQFP-48 安裝風格:SMD/SMT