參數(shù)資料
型號: PIC18F8720T-E/PT
廠商: Microchip Technology
文件頁數(shù): 54/165頁
文件大?。?/td> 0K
描述: IC PIC MCU FLASH 64KX16 80TQFP
標準包裝: 1,200
系列: PIC® 18F
核心處理器: PIC
芯體尺寸: 8-位
速度: 25MHz
連通性: EBI/EMI,I²C,SPI,UART/USART
外圍設備: 欠壓檢測/復位,LVD,POR,PWM,WDT
輸入/輸出數(shù): 68
程序存儲器容量: 128KB(64K x 16)
程序存儲器類型: 閃存
EEPROM 大?。?/td> 1K x 8
RAM 容量: 3.75K x 8
電壓 - 電源 (Vcc/Vdd): 4.2 V ~ 5.5 V
數(shù)據(jù)轉換器: A/D 16x10b
振蕩器型: 外部
工作溫度: -40°C ~ 125°C
封裝/外殼: 80-TQFP
包裝: 帶卷 (TR)
配用: XLT80PT3-ND - SOCKET TRAN ICE 80MQFP/TQFP
AC164320-ND - MODULE SKT MPLAB PM3 80TQFP
AC174011-ND - MODULE SKT PROMATEII 80TQFP
R01DS0060EJ0100 Rev.1.00
Page 147 of 168
Sep 13, 2011
RX630 Group
5. Electrical Characteristics
5.6
A/D Conversion Characteristics
Note: When A/D conversion is done during access to the external bus, the accuracy may degrade.
In this case, repeat conversion several times and calculate by software the average of the converted values, excluding the
maximum and minimum values.
Note 1. The conversion time includes the sampling time and the comparison time. As the test conditions, the number of sampling states
is indicated.
Note 2. The scanning is not supported.
Note 3. The value in parentheses indicates the sampling time.
Table 5.21
10-Bit A/D Conversion Characteristics
Conditions: VCC = AVCC0 = VCC_USB = 2.7 to 3.6 V, VREFH/VREFH0 = 2.7 V to AVCC0
VSS = AVSS0 = VREFL/VREFL0 = VSS_USB = 0 V
PCLK = 8 to 50 MHz
Ta = Topr
Item
Min.
Typ.
Max.
Unit
Test
Conditions
Resolution
10
Bit
Conversion
(Operation at
PCLK = 50
MHz)
With 0.1-F
external
capacitor
When the capacitor is charged enough*2
3.0 (2.5)*3
s
Sampling
in 125
states
Without 0.1-F
external
capacitor
Permissible signal source
impedance (max.) = 1.0 k
, VCC
3.0 V
1.5 (1.0)*3
Sampling
in 50
states
Permissible signal source
impedance (max.) = 1.0 k
, VCC
2.7 V
3.5 (3.0)*3
Sampling
in 150
states
Permissible signal source
impedance (max.) = 5.0 k
, VCC
3.0 V
2.0 (1.5)*3
Sampling
in 75
states
Permissible signal source
impedance (max.) = 5.0 k
, VCC
2.7 V
4.0 (3.5)*3
Sampling
in 175
states
Analog input capacitance
6.0
pF
Offset error
±1.5
±3.0
LSB
Full-scale error
±1.5
±3.0
LSB
Quantization error
±0.5
LSB
Absolute accuracy
±1.5
±3.0
LSB
DNL differential nonlinearity error
±0.5
±1.0
LSB
INL integral nonlinearity error
±1.5
±3.0
LSB
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