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LTC2237IUH Datasheet(PDF) 5 Page - Linear Technology

Part # LTC2237IUH
Description  10-Bit, 65/40/25Msps Low Noise 3V ADCs
Download  28 Pages
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Manufacturer  LINER [Linear Technology]
Direct Link  http://www.linear.com
Logo LINER - Linear Technology

LTC2237IUH Datasheet(HTML) 5 Page - Linear Technology

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LTC2238/LTC2237/LTC2236
5
223876fa
TI I G CHARACTERISTICS The denotes the specifications which apply over the full operating temperature
range, otherwise specifications are at TA = 25°C. (Note 4)
Note 1: Stresses beyond those listed under Absolute Maximum Ratings
may cause permanent damage to the device. Exposure to any Absolute
Maximum Rating condition for extended periods may affect device
reliability and lifetime.
Note 2: All voltage values are with respect to ground with GND and OGND
wired together (unless otherwise noted).
Note 3: When these pin voltages are taken below GND or above VDD, they
will be clamped by internal diodes. This product can handle input currents
of greater than 100mA below GND or above VDD without latchup.
Note 4: VDD = 3V, fSAMPLE = 65MHz (LTC2238), 40MHz (LTC2237), or
25MHz (LTC2236), input range = 2VP-P with differential drive, unless
otherwise noted.
Note 5: Integral nonlinearity is defined as the deviation of a code from a
straight line passing through the actual endpoints of the transfer curve.
The deviation is measured from the center of the quantization band.
Note 6: Offset error is the offset voltage measured from –0.5 LSB when
the output code flickers between 00 0000 0000 and 11 1111 1111.
Note 7: Guaranteed by design, not subject to test.
Note 8: VDD = 3V, fSAMPLE = 65MHz (LTC2238), 40MHz (LTC2237), or
25MHz (LTC2236), input range = 1VP-P with differential drive.
Note 9: Recommended operating conditions.
LTC2238
LTC2237
LTC2236
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
MIN
TYP
MAX
MIN
TYP
MAX
UNITS
fs
Sampling Frequency (Note 9)
165
140
125
MHz
tL
CLK Low Time
Duty Cycle Stabilizer Off
7.3
7.7
500
11.8
12.5
500
18.9
20
500
ns
Duty Cycle Stabilizer On
5
7.7
500
5
12.5
500
5
20
500
ns
(Note 7)
tH
CLK High Time
Duty Cycle Stabilizer Off
7.3
7.7
500
11.8
12.5
500
18.9
20
500
ns
Duty Cycle Stabilizer On
5
7.7
500
5
12.5
500
5
20
500
ns
(Note 7)
tAP
Sample-and-Hold
0
0
0
ns
Aperture Delay
tD
CLK to DATA Delay
CL = 5pF (Note 7)
1.4
2.7
5.4
1.4
2.7
5.4
1.4
2.7
5.4
ns
Data Access Time
CL = 5pF (Note 7)
4.3
10
4.3
10
4.3
10
ns
After OE
BUS Relinquish Time (Note 7)
3.3
8.5
3.3
8.5
3.3
8.5
ns
Pipeline
5
5
5
Cycles
Latency
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)
LTC2238
LTC2237
LTC2236
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
MIN
TYP
MAX
MIN
TYP
MAX
UNITS
VDD
Analog Supply
(Note 9)
2.7
3
3.4
2.7
3
3.4
2.7
3
3.4
V
Voltage
OVDD
Output Supply
(Note 9)
0.5
3
3.6
0.5
3
3.6
0.5
3
3.6
V
Voltage
IVDD
Supply Current
68.3
80
40
48
25
30
mA
PDISS
Power Dissipation
205
240
120
144
75
90
mW
PSHDN
Shutdown Power
SHDN = H,
2
2
2
mW
OE = H, No CLK
PNAP
Nap Mode Power
SHDN = H,
15
15
15
mW
OE = L, No CLK


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