Datasheet

LTC2268-14/
LTC2267-14/LTC2266-14
5
22687614fa
SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
DIGITAL INPUTS (CS, SDI, SCK in Serial or Parallel Programming Mode. SDO in Parallel Programming Mode)
V
IH
High Level Input Voltage V
DD
=1.8V
l
1.3 V
V
IL
Low Level Input Voltage V
DD
=1.8V
l
0.6 V
I
IN
Input Current V
IN
= 0V to 3.6V
l
–10 10 µA
C
IN
Input Capacitance 3 pF
SDO OUTPUT (Serial Programming Mode. Open Drain Output. Requires 2kΩ Pull-Up Resistor if SDO is Used)
R
OL
Logic Low Output Resistance to GND V
DD
=1.8V, SDO = 0V 200 Ω
I
OH
Logic High Output Leakage Current SDO = 0V to 3.6V
l
–10 10 µA
C
OUT
Output Capacitance 3 pF
DIGITAL DATA OUTPUTS
V
OD
Differential Output Voltage 100Ω Differential Load, 3.5mA Mode
100Ω Differential Load, 1.75mA Mode
l
l
247
125
350
175
454
250
mV
mV
V
OS
Common Mode Output Voltage 100Ω Differential Load, 3.5mA Mode
100Ω Differential Load, 1.75mA Mode
l
l
1.125
1.125
1.25
1.25
1.375
1.375
V
V
R
TERM
On-Chip Termination Resistance Termination Enabled, OV
DD
=1.8V 100 Ω
DigiTal inpuTs anD ouTpuTs
The l denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at T
A
= 25°C. (Note 5)
poWer reQuireMenTs
The l denotes the specifications which apply over the full operating temperature
range, otherwise specifications are at T
A
= 25°C. (Note 9)
SYMBOL PARAMETER CONDITIONS
LTC2268-14 LTC2267-14 LTC2266-14
UNITSMIN TYP MAX MIN TYP MAX MIN TYP MAX
V
DD
Analog Supply Voltage (Note 10)
l
1.7 1.8 1.9 1.7 1.8 1.9 1.7 1.8 1.9 V
OV
DD
Output Supply Voltage (Note 10)
l
1.7 1.8 1.9 1.7 1.8 1.9 1.7 1.8 1.9 V
I
VDD
Analog Supply Current Sine Wave Input
l
150 168 119 131 98 111 mA
I
OVDD
Digital Supply Current 2-Lane Mode, 1.75mA Mode
2-Lane Mode, 3.5mA Mode
l
l
16
30
20
34
16
29
19
33
15
29
18
32
mA
mA
P
DISS
Power Dissipation 2-Lane Mode, 1.75mA Mode
2-Lane Mode, 3.5mA Mode
l
l
299
324
338
364
243
266
270
295
203
229
232
257
mW
mW
P
SLEEP
Sleep Mode Power 1 1 1 mW
P
NAP
Nap Mode Power 70 70 70 mW
P
DIFFCLK
Power Increase with Differential Encode Mode Enabled
(No Increase for Sleep Mode)
20 20 20 mW
TiMing characTerisTics
The l denotes the specifications which apply over the full operating temperature
range, otherwise specifications are at T
A
= 25°C. (Note 5)
SYMBOL PARAMETER CONDITIONS
LTC2268-14 LTC2267-14 LTC2266-14
UNITSMIN TYP MAX MIN TYP MAX MIN TYP MAX
f
S
Sampling Frequency (Notes 10, 11)
l
5 125 5 105 5 80 MHz
t
ENCL
ENC Low Time (Note 8) Duty Cycle Stabilizer Off
Duty Cycle Stabilizer On
l
l
3.8
2
4
4
100
100
4.52
2
4.76
4.76
100
100
5.93
2
6.25
6.25
100
100
ns
ns
t
ENCH
Analog Supply Current Duty Cycle Stabilizer Off
Duty Cycle Stabilizer On
l
l
3.8
2
4
4
100
100
4.52
2
4.76
4.76
100
100
5.93
2
6.25
6.25
100
100
ns
ns
t
AP
Sample-and-Hold
Acquisition Delay Time
0 0 0 ns