参数资料
型号: ADUC812BSZ
厂商: Analog Devices Inc
文件页数: 23/57页
文件大小: 0K
描述: IC ADC 12BIT MULTICH MCU 52-MQFP
产品培训模块: Process Control
标准包装: 1
系列: MicroConverter® ADuC8xx
核心处理器: 8052
芯体尺寸: 8-位
速度: 16MHz
连通性: I²C,SPI,UART/USART
外围设备: PSM,温度传感器,WDT
输入/输出数: 34
程序存储器容量: 8KB(8K x 8)
程序存储器类型: 闪存
EEPROM 大小: 640 x 8
RAM 容量: 256 x 8
电压 - 电源 (Vcc/Vdd): 2.7 V ~ 5.5 V
数据转换器: A/D 8x12b,D/A 2x12b
振荡器型: 内部
工作温度: -40°C ~ 85°C
封装/外壳: 52-QFP
包装: 托盘
产品目录页面: 738 (CN2011-ZH PDF)
REV.
–3–
ADuC812
SPECIFICATIONS1, 2 (AV
DD = DVDD = 3.0 V or 5.0 V
10%, REFIN /REFOUT = 2.5 V Internal Reference, MCLKIN = 11.0592 MHz,
fSAMPLE = 200 kHz, DAC VOUT Load to AGND; RL = 2 k , CL = 100 pF. All specifications TA = TMIN to TMAX, unless otherwise noted.)
ADuC812BS
Parameter
VDD = 5 V
VDD = 3 V
Unit
Test Conditions/Comments
ADC CHANNEL SPECIFICATIONS
DC ACCURACY
3, 4
Resolution
12
Bits
Integral Nonlinearity
±1/2
LSB typ
fSAMPLE = 100 kHz
±1.5
LSB max
fSAMPLE = 100 kHz
±1.5
LSB typ
fSAMPLE = 200 kHz
Differential Nonlinearity
±1
LSB typ
fSAMPLE = 100 kHz. Guaranteed No
Missing Codes at 5 V
CALIBRATED ENDPOINT ERRORS
5, 6
Offset Error
±5
LSB max
±1
LSB typ
Offset Error Match
1
LSB typ
Gain Error
±6
LSB max
±1
LSB typ
Gain Error Match
1.5
LSB typ
USER SYSTEM CALIBRATION
7
Offset Calibration Range
±5
% of VREF typ
Gain Calibration Range
±2.5
% of VREF typ
DYNAMIC PERFORMANCE
fIN = 10 kHz Sine Wave
fSAMPLE = 100 kHz
Signal-to-Noise Ratio (SNR)
8
70
dB typ
Total Harmonic Distortion (THD)
–78
dB typ
Peak Harmonic or Spurious Noise
–78
dB typ
ANALOG INPUT
Input Voltage Ranges
0 to VREF
V
Leakage Current
±1
μA max
±0.1
μA typ
Input Capacitance
9
20
pF max
TEMPERATURE SENSOR
10
Voltage Output at 25°C
600
mV typ
Can vary significantly (> ±20%)
Voltage TC
–3.0
mV/°C typ
from device to device
DAC CHANNEL SPECIFICATIONS
DC ACCURACY
11
Resolution
12
Bits
Relative Accuracy
±3
LSB typ
Differential Nonlinearity
±0.5
±1
LSB typ
Guaranteed 12-Bit Monotonic
Offset Error
±60
mV max
±15
mV typ
Full-Scale Error
±30
mV max
±10
mV typ
Full-Scale Mismatch
±0.5
% typ
% of Full-Scale on DAC1
ANALOG OUTPUTS
Voltage Range_0
0 to VREF
V typ
Voltage Range_1
0 to VDD
V typ
Resistive Load
10
k
Ω typ
Capacitive Load
100
pF typ
Output Impedance
0.5
Ω typ
ISINK
50
μA typ
F
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