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)： 2/20頁(yè)
文件大小： 272K
代理商： LTC1420
2
LTC1420
SYMBOL
V
IN
PARAMETER
Analog Input Range (Note 9)
+A
IN
– (–A
IN
)
CONDITIONS
V
REF
= 4.096V (SENSE = 0V), GAIN = 5V (1
×
)
V
REF
= 4.096V (SENSE = 0V), GAIN = 0V (2
×
)
V
REF
= 2.048V (SENSE = V
REF
), GAIN = 5V (1
×
)
V
REF
= 2.048V (SENSE = V
REF
), GAIN = 0V (2
×
)
External V
REF
(SENSE = 5V), GAIN = 5V (1
×
)
External V
REF
(SENSE = 5V), GAIN = 0V (2
×
)
MIN
TYP
±
2.048
±
1.024
±
1.024
±
0.512
±
V
REF
/2
±
V
REF
/4
MAX
UNITS
G
G
G
G
G
G
V
V
V
V
V
V
I
IN
C
IN
Analog Input Leakage Current
Analog Input Capacitance
G
±
20
μ
A
pF
pF
ns
ps
ps
dB
Between Conversions
During Conversions
12
6
30
t
ACQ
t
AP
t
jitter
CMRR
Sample-and-Hold Acquisition Time
Sample-and-Hold Aperture Delay Time
Sample-and-Hold Aperture Delay Time Jitter
Analog Input Common Mode Rejection Ratio
–250
0.6
75
–2.048V < (–A
IN
= +A
IN
) < 2.048V
ABSOLUTEW
0V
DD
= V
DD
(Notes 1, 2)
Supply Voltage (V
DD
)................................................. 6V
Negative Supply Voltage (V
SS
) ................................–6V
Total Supply Voltage (V
DD
to V
SS
) ........................... 12V
Analog Input Voltage
(Note 3) .............................(V
SS
– 0.3V) to (V
DD
+ 0.3V)
Digital Input Voltage
(Note 4) .............................(V
SS
– 0.3V) to (V
DD
+ 0.3V)
Digital Output Voltage........(V
SS
– 0.3V) to (V
DD
+ 0.3V)
Power Dissipation.............................................. 500mW
Operating Temperature Range
LTC1420C ...............................................0
°
C to 70
°
C
LTC1420I............................................ –40
°
C to 85
°
C
Storage Temperature Range................. –65
°
C to 150
°
C
Lead Temperature (Soldering, 10 sec)..................300
°
C
W
W
U
PACKAGE/ORDER IU
U
W
PARAMETER
Resolution (No Missing Codes)
Integral Linearity Error
Differential Linearity Error
Offset Error
CONDITIONS
MIN
12
TYP
MAX
UNITS
Bits
LSB
LSB
LSB
LSB
LSB
ppm/
°
C
G
(Note 7)
G
±
0.35
±
0.25
±
5
±
1
±
1
12
16
30
G
(Note 8)
G
Full-Scale Error
Full-Scale Tempco
U
±
10
±
15
I
OUT(REF)
= 0
ORDER PART
NUMBER
LTC1420CGN
LTC1420IGN
Consult factory for Military grade parts.
T
JMAX
= 110
°
C,
θ
JA
= 110
°
C/W
1
2
3
4
5
6
7
8
9
10
11
12
13
14
TOP VIEW
GN PACKAGE
28-LEAD PLASTIC SSOP
28
27
26
25
24
23
22
21
20
19
18
17
16
15
+A
IN
–A
IN
V
CM
SENSE
V
REF
GND
V
DD
GND
D11 (MSB)
D10
D9
D8
D7
D6
GAIN
OF
CLK
V
SS
GND
V
DD
OV
DD
OGND
D0
D1
D2
D3
D4
D5
The
G
denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at T
A
= 25
°
C. With Internal 4.096V Reference. 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)
CO
N
VERTER CHARACTERISTICS
U
U
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