參數(shù)資料
型號: PIC14000T-20I/SO
廠商: Microchip Technology
文件頁數(shù): 29/153頁
文件大?。?/td> 0K
描述: IC MCU OTP 4KX14 A/D 28SOIC
標準包裝: 1,600
系列: PIC® 14
核心處理器: PIC
芯體尺寸: 8-位
速度: 20MHz
連通性: I²C
外圍設備: POR,溫度傳感器,WDT
輸入/輸出數(shù): 20
程序存儲器容量: 7KB(4K x 14)
程序存儲器類型: OTP
RAM 容量: 192 x 8
電壓 - 電源 (Vcc/Vdd): 2.7 V ~ 6 V
數(shù)據轉換器: 斜率 A/D
振蕩器型: 內部
工作溫度: -40°C ~ 85°C
封裝/外殼: 28-SOIC(0.295",7.50mm 寬)
包裝: 帶卷 (TR)
1996 Microchip Technology Inc.
Preliminary
DS40122B-page 124
PIC14000
Temperature Sensor (continued)
Output Linearity
lin(temp)
TBD
1
Operating Current (sensor on)
idd(temp)
150
250
A
TEMPOFF = 0
2
Operating Current (sensor off)
idd(temp)
0
A
TEMPOFF = 1
2
Slope Reference Voltage Divider
Output Voltage (SREFHI)
voh(sref)
1.14
1.19
1.24
V
Output Voltage (SREFLO)
vol(sref)
0.10
0.13
0.16
V
Slope Reference Calibration
Factor
KREF
0.09
0.126
0.16
TA = 25
°C, VDD = 5V
KREF Supply Sensitivity
ss(KREF)
0.02
%/V
From VDDmin to VDDmax
1
KREF Temperature Coefcient
tc(KREF)
20
ppm/
°C From Tmin to Tmax
1
Operating Current (A/D on)
idd(sref)
55
85
A
ADOFF = 0
2
Operating Current (A/D off)
idd(sref)
0
A
ADOFF = 1
2
A/D Comparator
Input Offset Voltage
ioff(adc)
-10
2
10
mV
Measured over common-mode
range
Input Common Mode Voltage
Range
cmr(adc)
0
VDD-1.4
V
Differential Voltage Gain
gain(adc)
100
dB
1
Common Mode Rejection Ratio cmrr(adc)
80
dB
VDD = 5V, TA = 25
°C, over
common-mode range
1
Power Supply Rejection Ratio
psrr(adc)
70
dB
TA = 25
°C, VDDmin to VDDmax
1
Operating Current (A/D on)
idd(adc)
40
65
A
ADOFF = 0
2
Operating Current (A/D off)
0
A
ADOFF = 1
2
Programmable Reference(s)
Upper Range
Output Voltage
Coarse Resolution
Fine Resolution
vo(pref)
resc(pref)
resf(pref)
0.627
0.418
38.0
4.0
0.792
0.528
48.0
5.0
0.957
0.638
58.0
6.0
V
mV
TA = 25
°C
PREFx<7:0> = 7Fh
(127 decimal), max
PREFx<7:0> = 50h
(80 decimal), min
PREFx<2:0> = constant
PREFx<7:3> = constant
Middle Range
Output Voltage
Coarse Resolution
Fine Resolution
vo(pref)
resc(pref)
resf(pref)
0.414
0.380
0.342
3.8
0.38
0.523
0.480
0.432
4.8
0.46
0.632
0.580
0.522
5.8
0.54
V
mV
TA = 25
°C
PREFx<7:0> = 4F
(79 decimal), max
PREFx<7:0> = 00h
(default), mid-point
PREFx<7:0> = C8h
(200 decimal), min
PREFx<2:0> = constant
PREFx<7:3> = constant
1
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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