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LTC2261CUJ-12-TRPBF Datasheet(PDF) 6 Page - Linear Technology

Part # LTC2261CUJ-12-TRPBF
Description  12-Bit, 125/105/80Msps Ultralow Power 1.8V ADCs
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Manufacturer  LINER [Linear Technology]
Direct Link  http://www.linear.com
Logo LINER - Linear Technology

LTC2261CUJ-12-TRPBF Datasheet(HTML) 6 Page - Linear Technology

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LTC2261-12
LTC2260-12/LTC2259-12
6
226112f
POWER REQUIREMENTS The l denotes the specifications which apply over the full operating temperature
range, otherwise specifications are at TA = 25°C. (Note 9)
SYMBOL PARAMETER
CONDITIONS
LTC2261-12
LTC2260-12
LTC2259-12
UNITS
MIN
TYP
MAX
MIN
TYP
MAX
MIN
TYP
MAX
CMOS Output Modes: Full Data Rate and Double Data Rate
VDD
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
OVDD
Output Supply Voltage
(Note 10)
l
1.1
1.9
1.1
1.9
1.1
1.9
V
IVDD
Analog Supply Current
DC Input
Sine Wave Input
l
68.7
70
81.1
57.1
58.3
67.4
48
49
56.6
mA
mA
IOVDD
Digital Supply Current
Sine Wave Input, OVDD=1.2V
3.5
2.9
2.2
mA
PDISS
Power Dissipation
DC Input
Sine Wave Input, OVDD=1.2V
l
124
130
146
103
108
122
87
91
102
mW
mW
LVDS Output Mode
VDD
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
OVDD
Output Supply Voltage
(Note 10)
l
1.7
1.9
1.7
1.9
1.7
1.9
V
IVDD
Analog Supply Current
Sine Wave Input
l
73.6
86.9
61.9
73.1
52.7
62.2
mA
IOVDD
Digital Supply Current
(0VDD = 1.8V)
Sine Input, 1.75mA Mode
Sine Input, 3.5mA Mode
l
l
18.8
36.7
22.2
43.3
18.8
36.7
22.2
43.3
18.8
36.7
22.2
43.3
mA
mA
PDISS
Power Dissipation
Sine Input, 1.75mA Mode
Sine Input, 3.5mA Mode
l
l
166
199
196
235
145
177
172
210
129
161
152
190
mW
mW
All Output Modes
PSLEEP
Sleep Mode Power
0.5
0.5
0.5
mW
PNAP
Nap Mode Power
9
9
9
mW
PDIFFCLK
Power Increase with Differential Encode Mode Enabled
(No increase for Nap or Sleep Modes)
10
10
10
mW
TIMING CHARACTERISTICS 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
LTC2261-12
LTC2260-12
LTC2259-12
UNITS
MIN
TYP
MAX
MIN
TYP
MAX
MIN
TYP
MAX
fS
Sampling Frequency
(Note 10)
l
1
125
1
105
1
80
MHz
tL
ENC Low Time (Note 8)
Duty Cycle Stabilizer Off
Duty Cycle Stabilizer On
l
l
3.8
2.0
4
4
500
500
4.52
2.00
4.76
4.76
500
500
5.93
2.00
6.25
6.25
500
500
ns
ns
tH
ENC High Time (Note 8)
Duty Cycle Stabilizer Off
Duty Cycle Stabilizer On
l
l
3.8
2.0
4
4
500
500
4.52
2.00
4.76
4.76
500
500
5.93
2.00
6.25
6.25
500
500
ns
ns
tAP
Sample-and-Hold
Acquisition Delay Time
000
ns
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Digital Data Outputs (CMOS Modes: Full Data Rate and Double Data Rate)
tD
ENC to Data Delay
CL = 5pF (Note 8)
l
1.1
1.7
3.1
ns
tC
ENC to CLKOUT Delay
CL = 5pF (Note 8)
l
1
1.4
2.6
ns
tSKEW
DATA to CLKOUT Skew
tD – tC (Note 8)
l
0
0.3
0.6
ns
Pipeline Latency
Full Data Rate Mode
Double Data Rate Mode
5.0
5.5
Cycles
Cycles


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