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參數(shù)資料
| 型號(hào)： | LTC2439-1 |
| 廠商： | Linear Technology Corporation |
| 元件分類： | ADC |
| 英文描述： | 8-/16-Channel 16-Bit No Latency Delta-Sigma ADC |
| 中文描述： | 8-/16-Channel 16位無(wú)延遲增量累加模數(shù)轉(zhuǎn)換器 |
| 文件頁(yè)數(shù)： | 27/28頁(yè) |
| 文件大?。?/td> | 288K |
| 代理商： | LTC2439-1 |
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LTC2439-1
27
24391f
OUTPUT DATA RATE (READINGS/SEC)
0
10 20 30 40 50 60 70 80 90 100
O
24361 F24
30
15
0
T
A
= 85
°
C
V
= 5V
REF
= 5V
REF
–
= GND
V
INCM
= 2.5V
V
IN
F
O
= EXTERNAL OSCILLATOR
T
A
= 25
°
C
OUTPUT DATA RATE (READINGS/SEC)
0
10 20 30 40 50 60 70 80 90 100
+
24361 F25
420
360
300
240
180
120
60
0
T
A
= 85
°
C
V
= 5V
REF
+
= 5V
REF
–
= GND
IN
+
= 3.75V
IN
–
= 1.25V
F
O
= EXTERNAL OSCILLATOR
T
A
= 25
°
C
OUTPUT DATA RATE (READINGS/SEC)
0
10 20 30 40 50 60 70 80 90 100
–
24361 F26
0
60
120
180
240
300
360
420
T
A
= 85
°
C
V
= 5V
REF
+
= 5V
REF
–
= GND
IN
+
= 1.25V
IN
–
= 3.75V
F
O
= EXTERNAL OSCILLATOR
T
A
= 25
°
C
OUTPUT DATA RATE (READINGS/SEC)
0
10 20 30 40 50 60 70 80 90 100
R
24361 F27
17
16
15
14
13
12
T
A
= 85
°
C
V
= 5V
REF
+
= 5V
REF
–
= GND
V
INCM
= 2.5V
V
IN
F
= EXTERNAL OSCILLATOR
RESOLUTION = LOG
2
(V
REF
/NOISE
RMS
)
T
A
= 25
°
C
OUTPUT DATA RATE (READINGS/SEC)
0
10 20 30 40 50 60 70 80 90 100
R
24361 F28
18
16
14
12
10
8
T
A
= 85
°
C
V
= 5V
REF
= 5V
REF
–
= GND
V
= 2.5V
–2.5V < V
< 2.5V
F
= EXTERNAL OSCILLATOR
RESOLUTION = LOG
2
(V
REF
/INL
MAX
)
T
A
= 25
°
C
OUTPUT DATA RATE (READINGS/SEC)
0
10 20 30 40 50 60 70 80 90 100
O
24361 F29
16
8
0
V
REF
= 5V
V
= 5V
REF
= GND
V
INCM
= 2.5V
V
IN
F
O
= EXTERNAL OSCILLATOR
T
A
= 25
°
C
V
REF
= 2.5V
Figure 24. Offset Error vs Output
Data Rate and Temperature
Figure 25. +FS Error vs Output
Data Rate and Temperature
Figure 26. –FS Error vs Output
Data Rate and Temperature
Figure 27. Resolution (Noise
RMS
≤
1LSB)
vs Output Data Rate and Temperature
Figure 28. Resolution (INL
MAX
≤
1LSB)
vs Output Data Rate and Temperature
Figure 29. Offset Error vs Output
Data Rate and Reference Voltage
U
PACKAGE DESCRIPTIO
GN Package
28-Lead Plastic SSOP (Narrow .150 Inch)
(Reference LTC DWG # 05-08-1641)
.150 – .157**
(3.810 – 3.988)
.386 – .393*
(9.804 – 9.982)
GN28 (SSOP) 0502
1
2
3
4
5
6
7
8
9 10 11 12
.229 – .244
(5.817 – 6.198)
20
21
22
23
24
25
26
27
28
19 18 17
13 14
1615
.016 – .050
(0.406 – 1.270)
.015
±
.004
(0.38
±
0.10)
×
45
°
0
°
– 8
°
TYP
.0075 – .0098
(0.191 – 0.249)
.053 – .069
(1.351 – 1.748)
.008 – .012
(0.203 – 0.305)
.004 – .009
(0.102 – 0.249)
.0250
(0.635)
BSC
.033
(0.838)
REF
.254 MIN
RECOMMENDED SOLDER PAD LAYOUT
.150 – .165
.0250 TYP
.0165
±
.0015
.045
±
.005
*DIMENSION DOES NOT INCLUDE MOLD FLASH. MOLD FLASH
SHALL NOT EXCEED 0.006" (0.152mm) PER SIDE
**DIMENSION DOES NOT INCLUDE INTERLEAD FLASH. INTERLEAD
FLASH SHALL NOT EXCEED 0.010" (0.254mm) PER SIDE
INCHES
(MILLIMETERS)
NOTE:
1. CONTROLLING DIMENSION: INCHES
2. DIMENSIONS ARE IN
3. DRAWING NOT TO SCALE
APPLICATIOU
W
U
U
Information furnished by Linear Technology Corporation is believed to be accurate and reliable.
However, no responsibility is assumed for its use. Linear Technology Corporation makes no represen-
tation that the interconnection of its circuits as described herein will not infringe on existing patent rights.
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