(AV
參數(shù)資料
型號: DS87C550-QNL
廠商: Maxim Integrated Products
文件頁數(shù): 30/49頁
文件大?。?/td> 0K
描述: IC MCU EPROM ADC/PWM HS 68-PLCC
標準包裝: 18
系列: 87C
核心處理器: 8051
芯體尺寸: 8-位
速度: 33MHz
連通性: EBI/EMI,SIO,UART/USART
外圍設備: 電源故障復位,PWM,WDT
輸入/輸出數(shù): 55
程序存儲器容量: 8KB(8K x 8)
程序存儲器類型: OTP
RAM 容量: 1K x 8
電壓 - 電源 (Vcc/Vdd): 4.5 V ~ 5.5 V
數(shù)據(jù)轉換器: A/D 6x10b
振蕩器型: 外部
工作溫度: -40°C ~ 85°C
封裝/外殼: 68-LCC(J 形引線)
包裝: 管件
DS87C550 EPROM High-Speed Microcontroller with ADC and PWM
36 of 49
A/D CONVERTER ELECTRICAL CHARACTERISTICS
(AVCC=VCC=5V, VREF=5V, fOSC=4MHz, TA=-40
°C to 85°C, unless otherwise noted. Typical
values are at TA=25
°C)
PARAMETER
SYMBOL
MIN
TYP
MAX
UNITS
NOTES
Analog Supply Voltage
AVCC
AVSS
VCC
GND
VCC
GND
V
Analog Supply Current
AIDD
0.7
2.3
mA
Analog Idle Mode Current
AIDDI
3.5
mA
Analog Power-Down Mode Current
AIDDPD
0.5
1
A
Analog Input Voltage
ADC7-
ADC0
AVREF-
AVREF+
V
4
External Analog Reference Voltage
AVREF-
AVREF+
AVSS-0.2
AVCC +
0.2
V
4
Analog Input Capacitance
CIN
10
15
pF
4
A/D Clock
tACLK
1
6.25
s
2, 4
Sampling Time
tADS
5 tACLK
tACLK
4
Conversion Time
tADC
16 tACLK
tACLK
3, 4
Resolution
10
Bits
4
Differential non-linearity
EDL
±1.0
LSB
Integral non-linearity
EIL
±2.0
LSB
Offset Error
EOS
±2.0
LSB
Gain Error
EG
±1.0
%
Cross-talk between A/D inputs
ECT
-60
dB
4
NOTES FOR A/D CONVERTER ELECTRICAL CHARACTERISTICS
1. The following condition must not be exceeded: GND-0.2V < AVSS < VCC + 0.2V.
2. Due to the dynamic nature of the A/D converter, tACLK has both min and max specifications.
3. A complete conversion cycle requires 16 ACLK periods, including five input sampling periods.
4. This parameter is guaranteed by design.
TYPICAL ICC VERSUS FREQUENCY
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