参数资料
型号: PIC16F870-E/SP
厂商: Microchip Technology
文件页数: 42/143页
文件大小: 0K
描述: IC MCU CMOS 20MHZ 2K FLASH 28DIP
产品培训模块: Asynchronous Stimulus
标准包装: 15
系列: PIC® 16F
核心处理器: PIC
芯体尺寸: 8-位
速度: 20MHz
连通性: UART/USART
外围设备: 欠压检测/复位,POR,PWM,WDT
输入/输出数: 22
程序存储器容量: 3.5KB(2K x 14)
程序存储器类型: 闪存
EEPROM 大小: 64 x 8
RAM 容量: 128 x 8
电压 - 电源 (Vcc/Vdd): 4 V ~ 5.5 V
数据转换器: A/D 5x10b
振荡器型: 外部
工作温度: -40°C ~ 125°C
封装/外壳: 28-DIP(0.300",7.62mm)
包装: 管件
配用: I3-DB16F871-ND - BOARD DAUGHTER ICEPIC3
PIC16F870/871
DS30569B-page 134
2003 Microchip Technology Inc.
TABLE 14-9:
PIC16F870/871 (INDUSTRIAL)
PIC16LF870/871 (INDUSTRIAL)
Param
No.
Sym
Characteristic
Min
Typ
Max
Units
Conditions
A01
NR
Resolution
10-bits
bit
VREF = VDD = 5.12V,
VSS
≤ VAIN ≤ VREF
A03
EIL
Integral linearity error
< ± 1
LSb
VREF = VDD = 5.12V,
VSS
≤ VAIN ≤ VREF
A04
EDL
Differential linearity error
< ± 1
LSb
VREF = VDD = 5.12V,
VSS
≤ VAIN ≤ VREF
A06
EOFF
Offset error
< ± 1
LSb
VREF = VDD = 5.12V,
VSS
≤ VAIN ≤ VREF
A07
EGN
Gain error
< ± 1
LSb
VREF = VDD = 5.12V,
VSS
≤ VAIN ≤ VREF
A10
Monotonicity(3)
guaranteed
VSS
≤ VAIN ≤ VREF
A20
VREF
Reference voltage (VREF+ – VREF-)
2.0V
VDD + 0.3
V
A21
VREF+ Reference voltage High
VDD – 2.5V
VDD + 0.3V
V
Must meet spec. A20
A22
VREF-
Reference voltage Low
VSS – 0.3V
VREF+ – 2.0V
V
Must meet spec. A20
A25
VAIN
Analog input voltage
VSS – 0.3
VREF + 0.3
V
A30
ZAIN
Recommended impedance of
analog voltage source
——
10.0
k
A40
IAD
A/D conversion
current (VDD)
Standard(F)
220
A
Average current consumption
when A/D is on (Note 1).
Extended(LF)—
90
A
A50
IREF
VREF input current (Note 2)
10
1000
10
A
During VAIN acquisition.
Based on differential of VHOLD
to VAIN to charge CHOLD, see
During A/D Conversion cycle
*
These parameters are characterized but not tested.
Data in "Typ" column is at 5V, 25°C unless otherwise stated. These parameters are for design guidance only and are not
tested.
Note
1:
When A/D is off, it will not consume any current other than minor leakage current. The power-down current spec includes
any such leakage from the A/D module.
2:
VREF current is from RA3 pin or VDD pin, whichever is selected as reference input.
3:
The A/D conversion result never decreases with an increase in the input voltage, and has no missing codes.
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