Table 1. AVDD = DVD" />
參數(shù)資料
型號: ADUC814ARU
廠商: Analog Devices Inc
文件頁數(shù): 34/72頁
文件大?。?/td> 0K
描述: IC ADC 12BIT W/FLASH MCU 28TSSOP
標(biāo)準(zhǔn)包裝: 50
系列: MicroConverter® ADuC8xx
核心處理器: 8052
芯體尺寸: 8-位
速度: 16.78MHz
連通性: I²C,SPI,UART/USART
外圍設(shè)備: POR,PSM,溫度傳感器,WDT
輸入/輸出數(shù): 17
程序存儲器容量: 8KB(8K x 8)
程序存儲器類型: 閃存
EEPROM 大小: 640 x 8
RAM 容量: 256 x 8
電壓 - 電源 (Vcc/Vdd): 2.7 V ~ 5.5 V
數(shù)據(jù)轉(zhuǎn)換器: A/D 6x12b; D/A 2x12b
振蕩器型: 內(nèi)部
工作溫度: -40°C ~ 125°C
封裝/外殼: 28-TSSOP(0.173",4.40mm 寬)
包裝: 管件
配用: EVAL-ADUC814QSZ-ND - KIT DEV FOR ADUC814 MICROCONVRTR
ADuC814
Rev. A | Page 4 of 72
SPECIFICATIONS
Table 1. AVDD = DVDD = 2.7 V to 3.3 V or 4.5 V to 5.5 V, VREF = 2.5 V internal reference, XTAL1/XTAL2 = 32.768 kHz crystal. All
specifications TMIN to TMAX, unless otherwise specified1
Parameter
VDD = 5 V
VDD = 3 V
Unit
Test Conditions
ADC CHANNEL SPECIFICATIONS
A GRADE
DC ACCURACY2,3
fSAMPLE = 147 kHz
Resolution
12
Bits
Integral Nonlinearity
2
LSB max
2.5 V internal reference
1
LSB typ
2.5
LSB typ
1.0 V external reference
Differential Nonlinearity
4
LSB max
2.5 V internal reference
2
LSB typ
5
LSB typ
1.0 V external reference
CALIBRATED ENDPOINT ERRORS4, 5
Offset Error
5
LSB max
Offset Error Match
1
LSB typ
Gain Error
5
LSB max
Gain Error Match
1
LSB typ
DYNAMIC PERFORMANCE6
fIN = 10 kHz sine wave
fSAMPLE = 147 kHz
Signal to Noise Ratio (SNR)7
62.5
dB typ
Total Harmonic Distortion (THD)
–65
dB typ
Peak Harmonic or Spurious Noise
–65
dB typ
Channel-to-Channel Crosstalk8
–80
dB typ
B GRADE
fSAMPLE = 147 kHz
Resolution
12
Bits
Integral Nonlinearity
1
LSB max
2.5 V internal reference
0.3
LSB typ
1.5
LSB max
1.0 V external reference11
Differential Nonlinearity
0.9
LSB max
2.5 V internal reference
0.25
LSB typ
+1.5/–0.9
1.5/–0.9
LSB max
1.0 V external reference11
Code Distribution
1
LSB typ
ADC input is a dc voltage
CALIBRATED ENDPOINT ERRORS4, 5
Offset Error
2
3
LSB max
Offset Error Match
1
LSB typ
Gain Error
2
3
LSB max
Gain Error Match
1
LSB typ
DYNAMIC PERFORMANCE6
fIN = 10 kHz sine wave
fSAMPLE = 147 kHz
Signal to Noise Ratio (SNR)7
71
dB typ
Total Harmonic Distortion (THD)
–85
dB typ
Peak Harmonic or Spurious Noise
–85
dB typ
Channel-to-Channel Crosstalk8
–80
dB typ
ANALOG INPUT
Input Voltage Ranges
0 to VREF
V
Leakage Current
1
A max
Input Capacitance
32
pF typ
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