參數(shù)資料
型號(hào)： LTC1420
廠商： Linear Technology Corporation
英文描述： 12-Bit, 10Msps, Sampling ADC(12位, 10Msps,采樣模數(shù)轉(zhuǎn)換器)
中文描述： 12位，10Msps的器件，采樣ADC（12位，10Msps的器件，采樣模數(shù)轉(zhuǎn)換器）
文件頁(yè)數(shù)： 4/20頁(yè)
文件大?。?/td> 272K
代理商： LTC1420
4
LTC1420
SYMBOL
V
DD
OV
DD
V
SS
PARAMETER
Positive Supply Voltage
Output Supply Voltage
Negative Supply Voltage
CONDITIONS
(Note 10)
(Note 10)
Dual Supply Mode
Single Supply Mode
MIN
4.75
2.7
–5.25
TYP
MAX
5.25
5.25
–4.75
UNITS
V
V
V
V
0
I
DD
I
SS
P
D
Positive Supply Current
Negative Supply Current
Power Dissipation
G
48
1.4
250
58
2.5
300
mA
mA
mW
G
G
SYMBOL
f
SAMPLE
t
CONV
t
ACQ
t
H
t
L
t
AP
PARAMETER
Maximum Sampling Frequency
Conversion Time
Acquisition Time
CLK High Time
CLK Low Time
Aperature Delay of Sample-and-Hold
CONDITIONS
MIN
0.02
TYP
MAX
10
90
UNITS
MHz
G
G
70
30
50
50
ns
ns
ns
ns
ps
G
10
20
20
G
G
–250
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 V
SS
or above V
DD
, they
will be clamped by internal diodes. This product can handle input currents
greater than 100mA below V
SS
or above V
DD
without latchup.
Note 4:
When these pin voltages are taken below V
SS
they will be clamped
by internal diodes. This product can handle input currents greater than
100mA below V
SS
without latchup. GAIN is not clamped to V
DD
. When CLK
is taken above V
DD
, it will be clamped by an internal diode. The CLK pin
can handle input currents of greater than 100mA above V
DD
without
latchup.
Note 5:
V
DD
= 5V, V
SS
= –5V or 0V, f
SAMPLE
= 10MHz, t
r
= t
f
= 5ns unless
otherwise specified.
Note 6:
Dynamic specifications are guaranteed for dual supply operation
with a single-ended +A
IN
input and –A
IN
grounded. For single supply
dynamic specifications, refer to the Typical Performance Characteristics.
Note 7:
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 8:
Bipolar offset is the offset voltage measured from –0.5LSB
when the output code flickers between 0000 0000 0000 and
1111 1111 1111.
Note 9:
Guaranteed by design, not subject to test.
Note 10:
Recommended operating conditions.
The
G
denotes the specifications which apply over the full operating temperature
range, otherwise specifications are at T
A
= 25
°
C. Specifications are guaranteed for both dual supply and single supply operation.
(Note 5)
The
G
denotes the specifications which apply over the full operating temperature
range, otherwise specifications are at T
A
= 25
°
C. Specifications are guaranteed for both dual supply and single supply operation.
(Note 5)
POWER REQUIRE E TS
TI I G CHARACTERISTICS
U
W
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