參數(shù)資料
型號(hào): LTC1748IFW
廠商: LINEAR TECHNOLOGY CORP
元件分類: ADC
英文描述: 14-Bit, 80Msps Low Noise ADC
中文描述: 1-CH 14-BIT PROPRIETARY METHOD ADC, PARALLEL ACCESS, PDSO48
封裝: 6.10 MM, PLASTIC, TSSOP-48
文件頁(yè)數(shù): 2/20頁(yè)
文件大?。?/td> 533K
代理商: LTC1748IFW
2
LTC1748
1748fa
PARAMETER
Resolution (No Missing Codes)
Integral Linearity Error
Differential Linearity Error
Offset Error
Gain Error
Full-Scale Tempco
CONDITIONS
MIN
14
–3
–1
–35
–3.5
TYP
MAX
UNITS
Bits
LSB
LSB
mV
%FS
ppm/
°
C
ppm/
°
C
μ
V/
°
C
LSB
RMS
G
(Note 6)
±
0.75
±
0.5
±
8
±
1
±
40
±
20
±
20
0.82
3
G
1.5
35
3.5
(Note 7)
External Reference (SENSE = 1.6V)
Internal Reference
External Reference (SENSE = 1.6V)
Offset Tempco
Input Referred Noise (Transition Noise)
U
SENSE = 1.6V
ORDER PART
NUMBER
LTC1748CFW
LTC1748IFW
OV
DD
= V
DD
(Notes 1, 2)
Supply Voltage (V
DD
)............................................. 5.5V
Analog Input Voltage (Note 3) .... –0.3V to (V
DD
+ 0.3V)
Digital Input Voltage (Note 4) ..... –0.3V to (V
DD
+ 0.3V)
Digital Output Voltage................. –0.3V to (V
DD
+ 0.3V)
OGND Voltage..............................................–0.3V to 1V
Power Dissipation............................................ 2000mW
Operating Temperature Range
LTC1748C ...............................................0
°
C to 70
°
C
LTC1748I............................................ –40
°
C to 85
°
C
Storage Temperature Range................. –65
°
C to 150
°
C
Lead Temperature (Soldering, 10 sec)..................300
°
C
T
JMAX
= 150
°
C,
θ
JA
= 35
°
C/W
The
G
indicates specifications which apply over the full operating
temperature range, otherwise specifications are at T
A
= 25
°
C. (Note 5)
ABSOLUTE
AXI
U
RATIU
W
W
W
PACKAGE/ORDER I
FOR
ATIO
W
U
U
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
TOP VIEW
FW PACKAGE
48-LEAD PLASTIC TSSOP
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
SENSE
V
CM
GND
A
IN+
A
IN–
GND
V
DD
V
DD
GND
REFLB
REFHA
GND
GND
REFLA
REFHB
GND
V
DD
V
DD
GND
V
DD
GND
MSBINV
ENC
ENC
OF
OGND
D13
D12
D11
OV
DD
D10
D9
D8
D7
OGND
GND
GND
D6
D5
D4
OV
DD
D3
D2
D1
D0
OGND
CLKOUT
OE
CO VERTER CHARACTERISTICS
U
SYMBOL
V
IN
I
IN
C
IN
PARAMETER
Analog Input Range (Note 8)
Analog Input Leakage Current
Analog Input Capacitance
CONDITIONS
4.75V
V
DD
5.25V
0 < A
IN+
, A
IN–
< V
DD
Sample Mode ENC < ENC
Hold Mode ENC > ENC
MIN
TYP
MAX
UNITS
G
±
1 to
±
1.6
V
G
–1
1
μ
A
pF
pF
ns
ns
8
4
5
0
t
ACQ
t
AP
t
JITTER
CMRR
Sample-and-Hold Acquisition Time
Sample-and-Hold Acquisition Delay Time
Sample-and-Hold Acquisition Delay Time Jitter
Analog Input Common Mode Rejection Ratio
G
6
0.15
80
ps
RMS
1.5V < (A
IN–
= A
IN+
) < 3V
dB
The
G
indicates specifications which apply over the full operating temperature range, otherwise
specifications are at T
A
= 25
°
C. (Note 5)
U
Consult LTC Marketing for parts specified with wider operating temperature ranges.
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