LTC2222 Просмотр технического описания (PDF) - Linear Technology
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LTC2222 Datasheet PDF : 28 Pages
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LTC2222/LTC2223
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
VICM
Common Mode Input Voltage
Internally Set
Externally Set (Note 7)
l 0.2
V
1.6
V
l 1.1
1.6
2.5
V
RIN
Input Resistance
CIN
Input Capacitance
Logic Inputs (OE, SHDN)
(Note 7)
6
kΩ
3
pF
VIH
High Level Input Voltage
VIL
Low Level Input Voltage
IIN
Input Current
CIN
Input Capacitance
Logic Outputs
VDD = 3.3V
VDD = 3.3V
VIN = 0V to VDD
(Note 7)
l
2
V
l
0.8
V
l –10
10
μA
3
pF
OVDD = 3.3V
COZ
Hi-Z Output Capacitance
ISOURCE Output Source Current
ISINK
Output Sink Current
VOH
High Level Output Voltage
VOL
Low Level Output Voltage
OVDD = 2.5V
VOH
High Level Output Voltage
VOL
Low Level Output Voltage
OVDD = 1.8V
VOH
High Level Output Voltage
VOL
Low Level Output Voltage
OE = High (Note 7)
VOUT = 0V
VOUT = 3.3V
IO = –10μA
IO = –200μA
IO = 10μA
IO = 1.6mA
IO = –200μA
IO = 1.6mA
IO = –200μA
IO = 1.6mA
3
pF
50
mA
50
mA
3.295
V
l 3.1
3.29
V
0.005
V
l
0.09
0.4
V
2.49
V
0.09
V
1.79
V
0.09
V
POWER REQUIREMENTS The l denotes the specifications which apply over the full operating temperature
range, otherwise specifications are at TA = 25°C. (Note 8)
LTC2222
LTC2223
SYMBOL PARAMETER
CONDITIONS
MIN TYP MAX MIN TYP MAX UNITS
VDD
OVDD
IVDD
PDISS
PSHDN
PNAP
Analog Supply Voltage
Output Supply Voltage
Analog Supply Current
Power Dissipation
Shutdown Power
Nap Mode Power
(Note 7)
l 3.1
3.3
3.5
3.1
3.3
3.5
V
(Note 7)
l 0.5
3.3
3.6
0.5
3.3
3.6
V
l
144 162
111 123
mA
l
SHDN = H, OE = H, No CLK
SHDN = H, OE = L, No CLK
475 535
2
35
366 406
mW
2
mW
35
mW
22223fb
5
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