參數(shù)資料
型號： LT1993
廠商： Linear Technology Corporation
英文描述： 14-Bit, 125/105Msps Low Power 3V ADCs
中文描述： 14位，125/105Msps低功耗3V的模數(shù)轉(zhuǎn)換器
文件頁數(shù)： 2/24頁
文件大?。?/td> 608K
代理商： LT1993
LTC2255/LTC2254
2
22554f
ABSOLUTEW
OV
DD
= V
DD
(Notes 1, 2)
Supply Voltage (V
DD
)................................................. 4V
Digital Output Ground Voltage (OGND) .......–0.3V to 1V
Analog Input Voltage (Note 3) ..... –0.3V to (V
DD
+ 0.3V)
Digital Input Voltage .................... –0.3V to (V
DD
+ 0.3V)
Digital Output Voltage................–0.3V to (OV
DD
+ 0.3V)
Power Dissipation............................................ 1500mW
Operating Temperature Range
LTC2255C, LTC2254C .............................0
°
C to 70
°
C
LTC2255I, LTC2254I ...........................–40
°
C to 85
°
C
Storage Temperature Range..................–65
°
C to 125
°
C
Lead Temperature (Soldering, 10 sec)..................300
°
C
W
W
U
PACKAGE/ORDER IU
U
W
ORDER PART
NUMBER
QFN PART*
MARKING
T
JMAX
= 125
°
C,
θ
JA
= 34
°
C/W
EXPOSED PAD (PIN 33) IS GND
MUST BE SOLDERED TO PCB
2255
2254
LTC2255CUH
LTC2255IUH
LTC2254CUH
LTC2254IUH
Consult LTC Marketing for parts specified with wider operating temperature ranges.
*The temperature grade is identified by a label on the shipping container.
32 31 30 29 28 27 26 25
9
10 11 12
TOP VIEW
S
UH PACKAGE
32-LEAD (5mm
×
5mm) PLASTIC QFN
13 14 15 16
17
18
19
20
21
22
23
24
8
7
6
5
4
3
2
1
AIN
+
AIN
–
REFH
REFH
REFL
REFL
V
DD
GND
D10
D9
D8
OV
DD
OGND
D7
D6
D5
V
D
V
C
M
O
D
D
D
C
S
O
D
D
D
D
D
33
The
●
denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at T
A
= 25
°
C. (Note 4)
LTC2255
TYP
LTC2254
TYP
PARAMETER
Resolution (No Missing Codes)
Integral Linearity Error
Differential Linearity Error
Offset Error
Gain Error
Offset Drift
Full-Scale Drift
CONDITIONS
MIN
14
–5
–1
–12
–2.5
MAX
MIN
14
–5.5
–1
–12
–2.5
MAX
UNITS
Bits
LSB
LSB
mV
%FS
μ
V/
°
C
ppm/
°
C
ppm/
°
C
LSB
RMS
●
Differential Analog Input (Note 5)
Differential Analog Input
(Note 6)
External Reference
●
±
1
±
0.5
±
2
±
0.5
±
10
±
30
±
5
1.3
5
1
±
1
±
0.5
±
2
±
0.5
±
10
±
30
±
5
1.3
5.5
1
12
2.5
●
●
12
2.5
●
Internal Reference
External Reference
SENSE = 1V
Transition Noise
CO VERTER CHARACTERISTICS
U
Order Options
Tape and Reel: Add #TR
Lead Free: Add #PBF Lead Free Tape and Reel: Add #TRPBF
http://www.linear.com/leadfree/
相關(guān)PDF資料
PDF描述
LTC2254IUH 14-Bit, 125/105Msps Low Power 3V ADCs
LTC2255CUH 14-Bit, 125/105Msps Low Power 3V ADCs
LTC2252 14-Bit, 125/105Msps Low Power 3V ADCs
LTC1747 14-Bit, 125/105Msps Low Power 3V ADCs
LTC1749 14-Bit, 125/105Msps Low Power 3V ADCs
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