LTC2259-14 查看數據表（PDF） - Linear Technology
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LTC2259-14 Datasheet PDF : 32 Pages
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LTC2261-14
LTC2260-14/LTC2259-14
DIGITAL INPUTS AND OUTPUTS The l denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at TA = 25°C. (Note 5)
SYMBOL PARAMETER
CONDITIONS
MIN
TYP
MAX UNITS
ENCODE INPUTS (ENC+, ENC–)
Differential Encode Mode (ENC– Not Tied to GND)
VID
Differential Input Voltage
VICM
Common Mode Input Voltage
VIN
Input Voltage Range
(Note 8)
Internally Set
Externally Set (Note 8)
ENC+, ENC– to GND
l
0.2
V
1.2
V
l
1.1
1.6
V
l
0.2
3.6
V
RIN
Input Resistance
CIN
Input Capacitance
Single-Ended Encode Mode (ENC– Tied to GND)
(See Figure 10)
(Note 8)
10
kΩ
3.5
pF
VIH
High Level Input Voltage
VIL
Low Level Input Voltage
VIN
Input Voltage Range
VDD = 1.8V
VDD = 1.8V
ENC+ to GND
l
1.2
l
l
0
V
0.6
V
3.6
V
RIN
Input Resistance
CIN
Input Capacitance
DIGITAL INPUTS (CS, SDI, SCK)
(See Figure 11)
(Note 8)
30
kΩ
3.5
pF
VIH
High Level Input Voltage
VIL
Low Level Input Voltage
IIN
Input Current
VDD = 1.8V
VDD = 1.8V
VIN = 0V to 3.6V
l
1.3
l
l
–10
V
0.6
V
10
μA
CIN
Input Capacitance
(Note 8)
SDO OUTPUT (Open-Drain Output. Requires 2k Pull-Up Resistor if SDO is Used)
3
pF
ROL
Logic Low Output Resistance to GND
VDD = 1.8V, SDO = 0V
IOH
Logic High Output Leakage Current
SDO = 0V to 3.6V
COUT
Output Capacitance
(Note 8)
DIGITAL DATA OUTPUTS (CMOS MODES: FULL DATA RATE AND DOUBLE DATA RATE)
200
Ω
l
–10
10
μA
4
pF
OVDD = 1.8V
VOH
High Level Output Voltage
VOL
Low Level Output Voltage
OVDD = 1.5V
VOH
High Level Output Voltage
VOL
Low Level Output Voltage
OVDD = 1.2V
VOH
High Level Output Voltage
VOL
Low Level Output Voltage
DIGITAL DATA OUTPUTS (LVDS MODE)
IO = –500μA
IO = 500μA
IO = –500μA
IO = 500μA
IO = –500μA
IO = 500μA
l 1.750
1.790
V
l
0.010
0.050
V
1.488
V
0.010
V
1.185
V
0.010
V
VOD
Differential Output Voltage
100Ω Differential Load, 3.5mA Mode
l
247
350
454
mV
100Ω Differential Load, 1.75mA Mode
175
mV
VOS
Common Mode Output Voltage
100Ω Differential Load, 3.5mA Mode
l 1.125
1.250
1.375
V
100Ω Differential Load, 1.75mA Mode
1.250
V
RTERM On-Chip Termination Resistance
Termination Enabled, OVDD = 1.8V
100
Ω
226114f
5
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