参数资料
型号: LC89086M
元件分类: ADC
英文描述: 1-CH 8-BIT PROPRIETARY METHOD ADC, PARALLEL ACCESS, PDSO24
封装: MFP-24
文件页数: 2/6页
文件大小: 64K
代理商: LC89086M
No. 5428-2/6
LC89086M
Electrical Characteristics
Electrical DC Characteristics at Ta = –30 to +70
°C, AV
DD = DVDD = 4.5 to 5.5 V, AVSS = DVSS = 0 V
Parameter
Symbol
Conditions
Ratings
Unit
min
typ
max
Reference resistance
Rref
VrefH (pin 5) – VrefL (pin 8)
210
300
390
Analog input capacitance
CAIN
30
pF
Analog input resistance
RAIN
10
M
Reference high-level input voltage
VrefH
When VrefHO (pin 4) and VrefLO (pin 9)
Vref L + 2.0
VDD
V
are unused.
Reference low-level input voltage
VrefL
When VrefHO (pin 4) and VrefLO (pin 9) are unused.
0
VrefH – 2.0
V
Reference high-level output voltage
VrefH
When VrefHO (pin 4) and VrefLO (pin 9)
1.9
2.0
2.1
V
are used, and AVDD = DVDD = 5 V
Reference low-level output voltage
VrefL
When VrefHO (pin 4) and VrefLO (pin 9)
–0.05
0
+0.05
V
are used, and AVDD = DVDD = 5 V
Analog input voltage
VAIN
VrefL
VrefH
V
Digital high-level voltage
VIH
2.2
VDD +0.3
V
Digital low-level voltage
VIL
–0.3
+0.8
V
Digital high-level output current
IOH
VOH = VDD – 0.4 V
–2
mA
Digital low-level output current
IOL
VOL = 0.4 V
2
mA
Parameter
Symbol
Conditions
Ratings
Unit
min
typ
max
Clock high-level period
TWH
23
ns
Clock low-level period
TWL
23
ns
Analog input acquisition time
TAP
10
20
30
ns
Digital output data delay time
Td
C load = 30 pF
15
30
45
ns
Digital output data enable time
TOE
C load = 30 pF
2
5
10
ns
Digital output data disable time
TOD
C load = 30 pF
2
5
10
ns
Electrical AC Characteristics 1 at Ta = –30 to +70
°C, AV
DD = DVDD = 4.5 to 5.5 V, AVSS = DVSS = 0 V
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