參數(shù)資料
型號： LTC2238
廠商： Linear Technology Corporation
英文描述： Replaced by SN74ALVCH16244 : 16-Bit Buffer/Driver With 3-State Outputs 48-SSOP -40 to 85
中文描述： 14位，80Msps ADC的低功耗3V的
文件頁數(shù)： 5/20頁
文件大小： 464K
代理商： LTC2238
LTC2249
5
2249f
Note 1:
Absolute Maximum Ratings are those values beyond which the life
of a device may be impaired.
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 V
DD
, they
will be clamped by internal diodes. This product can handle input currents
of greater than 100mA below GND or above V
DD
without latchup.
Note 4:
V
DD
= 3V, f
SAMPLE
= 80MHz, input range = 2V
P-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 0000 and
11 1111 1111 1111.
Note 7:
Guaranteed by design, not subject to test.
Note 8:
V
DD
= 3V, f
SAMPLE
= 80MHz, input range = 1V
P-P
with
differential drive.
Note 9:
Recommended operating conditions.
TIW
range, otherwise specifications are at T
A
= 25
°
C. (Note 4)
The
●
denotes the specifications which apply over the full operating temperature
SYMBOL
f
s
t
L
PARAMETER
Sampling Frequency
CLK Low Time
CONDITIONS
(Note 9)
Duty Cycle Stabilizer Off
Duty Cycle Stabilizer On (Note 7)
Duty Cycle Stabilizer Off
Duty Cycle Stabilizer On (Note 7)
MIN
1
5.9
5
5.9
5
TYP
MAX
80
500
500
500
500
UNITS
MHz
●
●
●
6.25
6.25
6.25
6.25
0
2.7
4.3
3.3
6
ns
ns
ns
ns
ns
ns
ns
ns
t
H
CLK High Time
●
●
t
AP
t
D
Sample-and-Hold Aperture Delay
CLK to DATA Delay
Data Access Time After OE
↓
BUS Relinquish Time
C
L
= 5pF (Note 7)
C
L
= 5pF (Note 7)
(Note 7)
●
1.4
5.4
10
8.5
●
●
Pipeline
Latency
Cycles
Typical DNL, 2V Range
Typical INL, 2V Range
8192 Point FFT, f
IN
= 5MHz,
–1dB, 2V Range
TYPICAL PERFOR U
CODE
0
I
0
0.5
1.0
16384
2249 G01
–0.5
–1.0
–2.0
4096
8192
12288
–1.5
2.0
1.5
CODE
0
D
0.2
0.4
0.6
16384
2249 G02
0
–0.2
–1.0
4096
8192
12288
–0.6
–0.4
–0.8
1.0
0.8
FREQUENCY (MHz)
0
A
–60
–70
–40
–50
–20
–30
0
35
2249 G03
–80
–90
–100
–110
–120
–10
5
15
25
10
20
30
40
相關(guān)PDF資料
PDF描述
LTC2239 14-Bit, 80Msps Low Power 3V ADC
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