LTC1750 查看數據表（PDF） - Linear Technology
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LTC1750 Datasheet PDF : 24 Pages
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LTC2255/LTC2254
UU
U
I TER AL REFERE CE CHARACTERISTICS (Note 4)
PARAMETER
VCM Output Voltage
VCM Output Tempco
VCM Line Regulation
VCM Output Resistance
CONDITIONS
IOUT = 0
2.85V < VDD < 3.4V
–1mA < IOUT < 1mA
MIN
1.475
TYP
1.500
±25
3
4
MAX
1.525
UNITS
V
ppm/°C
mV/V
Ω
DIGITAL I PUTS A D DIGITAL OUTPUTS The ● denotes the specifications which apply over the
full operating temperature range, otherwise specifications are at TA = 25°C. (Note 4)
SYMBOL
PARAMETER
CONDITIONS
MIN TYP MAX UNITS
LOGIC INPUTS (CLK, OE, SHDN)
VIH
VIL
IIN
CIN
LOGIC OUTPUTS
High Level Input Voltage
Low Level Input Voltage
Input Current
Input Capacitance
VDD = 3V
VDD = 3V
VIN = 0V to VDD
(Note 7)
●2
V
●
0.8
V
● –10
10
µA
3
pF
OVDD = 3V
COZ
ISOURCE
ISINK
VOH
VOL
OVDD = 2.5V
VOH
VOL
OVDD = 1.8V
VOH
VOL
Hi-Z Output Capacitance
Output Source Current
Output Sink Current
High Level Output Voltage
Low Level Output Voltage
High Level Output Voltage
Low Level Output Voltage
High Level Output Voltage
Low Level Output Voltage
OE = High (Note 7)
VOUT = 0V
VOUT = 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
2.995
V
● 2.7 2.99
V
0.005
V
●
0.09 0.4
V
2.49
V
0.09
V
1.79
V
0.09
V
POWER REQUIRE E TS The ● denotes the specifications which apply over the full operating temperature
range, otherwise specifications are at TA = 25°C. (Note 8)
SYMBOL
PARAMETER
CONDITIONS
LTC2255
LTC2254
MIN TYP MAX MIN TYP MAX
UNITS
VDD
Analog Supply Voltage
(Note 9)
● 2.85 3 3.4 2.85 3 3.4
V
OVDD
Output Supply Voltage
(Note 9)
● 0.5 3 3.6 0.5 3 3.6
V
IVDD
PDISS
Supply Current
Power Dissipation
●
132 156
●
395 468
107 126
mA
320 378
mW
PSHDN
Shutdown Power
SHDN = H,
OE = H, No CLK
2
2
mW
PNAP
Nap Mode Power
SHDN = H,
OE = L, No CLK
15
15
mW
22554fa
4
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