LTC2240-12(RevB) 查看數據表（PDF） - Linear Technology
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LTC2240-12 Datasheet PDF : 28 Pages
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LTC2240-12
INTERNAL REFERENCE CHARACTERISTICS (Note 4)
PARAMETER
VCM Output Voltage
VCM Output Tempco
VCM Line Regulation
VCM Output Resistance
CONDITIONS
IOUT = 0
2.375V < VDD < 2.625V
–1mA < IOUT < 1mA
MIN TYP MAX UNITS
1.225 1.25 1.275
V
±35
ppm/°C
3
mV/V
2
Ω
DIGITAL INPUTS AND DIGITAL OUTPUTS The l denotes the specifications which apply over the
full operating temperature range, otherwise specifications are at TA = 25°C. (Note 4)
SYMBOL
PARAMETER
ENCODE INPUTS (ENC+, ENC–)
CONDITIONS
MIN TYP MAX UNITS
VID
Differential Input Voltage
(Note 7)
VICM
Common Mode Input Voltage
Internally Set
Externally Set (Note 7)
l 0.2
V
l
1.5
V
1.2
1.5
2.0
V
RIN
Input Resistance
4.8
kΩ
CIN
Input Capacitance
LOGIC INPUTS (OE, SHDN)
(Note 7)
2
pF
VIH
High Level Input Voltage
VIL
Low Level Input Voltage
IIN
Input Current
CIN
Input Capacitance
LOGIC OUTPUTS (CMOS MODE)
VDD = 2.5V
VDD = 2.5V
VIN = 0V to VDD
(Note 7)
l 1.7
V
l
0.7
V
l –10
10
μA
3
pF
OVDD = 2.5V
COZ
Hi-Z Output Capacitance
OE = High (Note 7)
3
pF
ISOURCE
ISINK
VOH
VOL
Output Source Current
Output Sink Current
High Level Output Voltage
Low Level Output Voltage
VOUT = 0V
VOUT = 2.5V
IO = –10μA
IO = –500μA
37
mA
23
mA
2.495
V
2.45
V
0.005
V
0.07
V
OVDD = 1.8V
VOH
VOL
High Level Output Voltage
Low Level Output Voltage
IO = –500μA
IO = 500μA
1.75
V
0.07
V
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