参数资料
型号: PIC14000T-20/SS
厂商: Microchip Technology
文件页数: 32/153页
文件大小: 0K
描述: IC MCU OTP 4KX14 A/D 28SSOP
标准包装: 2,100
系列: PIC® 14
核心处理器: PIC
芯体尺寸: 8-位
速度: 20MHz
连通性: I²C
外围设备: POR,温度传感器,WDT
输入/输出数: 20
程序存储器容量: 7KB(4K x 14)
程序存储器类型: OTP
RAM 容量: 192 x 8
电压 - 电源 (Vcc/Vdd): 2.7 V ~ 6 V
数据转换器: 斜率 A/D
振荡器型: 内部
工作温度: 0°C ~ 70°C
封装/外壳: 28-SSOP(0.209",5.30mm 宽)
包装: 带卷 (TR)
PIC14000
DS40122B-page 127
Preliminary
1996 Microchip Technology Inc.
Notes for the analog specications:
Note 1: This parameter is characterized but not tested.
Note 2: IDD values of individual analog module cannot be tested independently but are characterized.
Note 3: Calibration temp accuracy is
± 1°C typical, ± 2°C max.
Note 4: Guaranteed by design.
Note 5: Refer to AN621 for further information on calibration parameters and accuracy.
Calculations:
Temperature coefcients are calculated as:
tc = (value @TMAX - value @TMIN) / ((TMAX-TMIN) * Average(value @TMAX,value @TMIN))
Temperature coefcient for the internal temperature sensor is calculated as:
tc sensor = (sensor voltage @ TMAX - sensor voltage @ 25
°C) / (TMAX - 25°C)
Temperature coefcients for the bandgap reference and programmable current source are calculated as
the larger TC from 25
°C to either TMIN or TMAX
Supply sensitivities are calculated as:
ss = (value@VDDMAX - value@VDDMIN)/((VDDMAX - VDDMIN)*
Average(value@VDDMAX, value@VDDMIN))
Programmable current source output sensitivity is calculated as:
vs = (value@(VDD - 1.4V) - value @ 0V)/(VDD - 1.4V) *
Average(value@(VDD - 1.4V), value @ 0V)
Calibration Accuracy
All parameters calibrated at VDD =
5V, TA = 25
°C unless noted.
3, 5
Accuracy
Parameter
Sym.
Resolution Units
Typ
Max
Conditions
Notes
Slope Reference Ratio
KREF
0.015%
.02%
Bandgap Reference Voltage
KBG
10
V
.01%
Temperature Sensor Output
Voltage
VTHERM
20
V
.02%
Temperature Sensor Slope
Coefcient
KTC
0.33
V/°C 6.7%
Calibrated at 25
°C and Tmax
Internal Oscillator Frequency
FOSC
10.0
kHz
0.14%
Watchdog Timer Time-out
Period
TWDT
1
ms
0.5 ms
Standard Operating Conditions (unless otherwise stated)
Operating Temperature:
-40
°C ≤ TA ≤ +85°C for industrial
0
°C ≤ TA ≤ +70°C for commercial
VDD range: 2.7V (min) to 6.0V (max) unless otherwise stated.
Characteristic
Sym.
Min.
Typ.
Max.
Units
Conditions
Notes
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