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)： 2/20頁
文件大?。?/td> 464K
代理商： LTC2238
LTC2249
2
2249f
32 31 30 29 28 27 26 25
9
10 11 12
TOP VIEW
S
UH PACKAGE
32-LEAD (5mm
×
5mm) PLASTIC QFN
T
JMAX
= 125
°
C,
θ
JA
= 34
°
C/W
EXPOSED PAD IS GND (PIN 33)
MUST BE SOLDERED TO PCB
Consult LTC Marketing for parts specified with wider operating temperature ranges.
*The temperature grade is identified by a label on the shipping container.
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
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
LTC2249C ...............................................0
°
C to 70
°
C
LTC2249I.............................................–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
2249
LTC2249CUH
LTC2249IUH
The
●
denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at T
A
= 25
°
C. (Note 4)
PARAMETER
Resolution (No Missing Codes)
Integral Linearity Error
Differential Linearity Error
Offset Error
Gain Error
Offset Drift
Full-Scale Drift
CONDITIONS
MIN
14
–4
–1
–12
–2.5
TYP
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
±
15
1
4
1
●
●
12
2.5
●
Internal Reference
External Reference
SENSE = 1V
Transition Noise
U
specifications are at T
A
= 25
°
C. (Note 4)
CO VERTER CHARACTERISTICS
U
SYMBOL
V
IN
V
IN,CM
I
IN
I
SENSE
I
MODE
t
AP
t
JITTER
CMRR
PARAMETER
Analog Input Range (A
IN+
–A
IN–
)
Analog Input Common Mode
Analog Input Leakage Current
SENSE Input Leakage
MODE Pin Leakage
Sample-and-Hold Acquisition Delay Time
Sample-and-Hold Acquisition Delay Time Jitter
Analog Input Common Mode Rejection Ratio
CONDITIONS
2.7V < V
DD
< 3.4V (Note 7)
Differential Input (Note 7)
0V < A
IN+
, A
IN–
< V
DD
0V < SENSE < 1V
MIN
TYP
MAX
UNITS
●
1V to 2V
1.5
V
V
●
1
1.9
1
3
3
●
–1
–3
–3
μ
A
μ
A
μ
A
ns
●
●
0
0.2
80
ps
RMS
dB
U
The
●
denotes the specifications which apply over the full operating temperature range, otherwise
相關(guān)PDF資料
PDF描述
LTC2239 14-Bit, 80Msps Low Power 3V ADC
LTC2249CUH 14-Bit, 80Msps Low Power 3V ADC
LTC2284 Dual 14-Bit, 105Msps Low Power 3V ADC
LTC2284CUP Dual 14-Bit, 105Msps Low Power 3V ADC
LTC2284IUP Dual 14-Bit, 105Msps Low Power 3V ADC
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