参数资料
型号: PIC18F8620-E/PT
厂商: Microchip Technology
文件页数: 55/165页
文件大小: 0K
描述: IC PIC MCU FLASH 32KX16 80TQFP
产品培训模块: Asynchronous Stimulus
标准包装: 119
系列: PIC® 18F
核心处理器: PIC
芯体尺寸: 8-位
速度: 25MHz
连通性: EBI/EMI,I²C,SPI,UART/USART
外围设备: 欠压检测/复位,LVD,POR,PWM,WDT
输入/输出数: 68
程序存储器容量: 64KB(32K x 16)
程序存储器类型: 闪存
EEPROM 大小: 1K x 8
RAM 容量: 3.75K x 8
电压 - 电源 (Vcc/Vdd): 4.2 V ~ 5.5 V
数据转换器: A/D 16x10b
振荡器型: 外部
工作温度: -40°C ~ 125°C
封装/外壳: 80-TQFP
包装: 托盘
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 148 of 168
Sep 13, 2011
RX630 Group
5. Electrical 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 value in parentheses indicates the sampling time.
Table 5.22
12-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
12
Bit
Conversion
(Operation
at PCLK =
50 MHz)
AN0 to AN7
Permissible signal source impedance
(max.) = 1.0 k
s
Sampling
in 20
states
Other channels
Permissible signal source impedance
(max.) = 1.0 k
, AVCC
3.0 V
s
Sampling
in 70
states
Permissible signal source impedance
(max.) = 1.0 k
, AVCC
2.7 V
s
Sampling
in 250
states
Analog input capacitance
30
pF
Offset error
±2.0
±7.5
LSB
Full-scale error
±2.0
±7.5
LSB
Quantization error
±0.5
LSB
Absolute accuracy
±2.5
±8.0
LSB
DNL differential nonlinearity error
±2.0
±4.0
LSB
INL integral nonlinearity error
±2.0
±4.0
LSB
Table 5.23
A/D Internal Reference Voltage 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
A/D Internal reference voltage
1.45
1.50
1.55
V
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