参数资料
型号: PIC14000T-20/SS
厂商: Microchip Technology
文件页数: 28/153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 123
Preliminary
1996 Microchip Technology Inc.
14.0
ANALOG SPECIFICATIONS: PIC14000-04 (COMMERCIAL, INDUSTRIAL)
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
Bandgap Voltage Reference
Output Voltage
vo(vref)
1.14
1.19
1.24
V
Turn-on Settling Time to < 0.1%
ton(vref)
1
10
ms
REFOFF bit in SLPCON
register
→ 0
1
Temperature Coefcient
tc(vref)
±50
ppm/
°C Measured from 25°C to
-40
°C, +85°C
1
Temperature Coefcient
tc(vref)
±20
ppm/
°C Measured from 25°C to
0
°C, +70°C
1
Supply Sensitivity
ss(vref)
0.04
%
/V From VDDmin to VDDmax
1
Operating Current (on)
idd(vref)
20
30
A
REFOFF = 0
2
Operating Current (off)
idd(vref)
0
A
REFOFF = 1
2
Programmable Current Source
Output Current
io(cdac)
CDAC pin = 0V
3
18.75
33.75
48.75
A
ADCON1<7:4> = 1111b
(full-scale)
1.25
2.25
3.25
A
ADCON1<7:4> = 0001b
(1 LSB)
-0.5
0
0.5
A
ADCON1<7:4> = 0000b
(zero-scale)
Resolution
res(cdac)
1.25
2.25
3.25
A
1 LSB
Relative accuracy (linearity
error)
racc(cdac)
-1/2
+1/2
lsb
CDAC = 0V
Turn-on Settling Time to < 0.1%
(reference start-up)
ton(cdac)
1
10
ms
Bias generator (reference) turn-on
time
(REFOFF 1
→ 0)
1
Turn-on Settling Time to < 0.1%
(reference already on and
stable)
ton(cdac)
1
10
s
REFOFF = 0 (constant),
ADCON1<7:4> 0000b
→ 1111b
1
Temperature Coefcient
tc(cdac)
±0.1
%/
°C Measured from 25°C to Tmin, Tmax
1
Supply Sensitivity
ss(cdac)
0.2
%
/V From VDDmin to VDDmax
1
Output Voltage Sensitivity
vs(cdac)
-0.1
-0.01
%
/V CDAC pin voltage = 0V to VDD -
1.4V
Output Voltage Range
vo(cdac)
0
VDD-1.4
V
Operating Current (A/D on)
idd(cdac)
50
70
A
ADCON1<7:4> = 1111b
2
Operating Current (A/D off)
idd(cdac)
0
A
REFOFF = 1, ADOFF = 1
2
Temperature Sensor
Output Voltage
vo(temp)
0.92
1.05
1.18
V
TA = 25
°C
Supply Sensitivity
ss(temp)
0.2
%
/V From VDDmin to VDDmax
1
Temperature Coefcient
KTC
3.2
3.65
4.1
mV/
°C Measured from 25°C to Tmax.
Includes
± 2°C temperature
calibration tolerance
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