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参数资料
| 型号： | DC746A |
| 厂商： | Linear Technology |
| 文件页数： | 35/36页 |
| 文件大小： | 0K |
| 描述： | BOARD DELTA SIGMA ADC LTC2412 |
| 软件下载： | QuikEval System |
| 设计资源： | DC746A Design File DC746A Schematic |
| 标准包装： | 1 |
| 系列： | QuikEval™ |
| ADC 的数量： | 1 |
| 位数： | 24 |
| 采样率（每秒）： | 7.5 |
| 数据接口： | MICROWIRE?，串行，SPI? |
| 工作温度： | 0°C ~ 70°C |
| 已用 IC / 零件： | LTC2412 |
| 已供物品： | 板 |
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LTC2412
8
2412f
TYPICAL PERFOR A CE CHARACTERISTICS
UW
RMS Noise vs VCC
RMS Noise vs Temperature (TA)
RMS Noise vs VINCM
Offset Error vs Temperature (TA)
Offset Error vs VINCM
RMS Noise vs VREF
+ Full-Scale Error
vs Temperature (TA)
Offset Error vs VREF
Offset Error vs VCC
VINCM (V)
–0.5 0
1
0.5
1.5 2 2.5 3 3.5 4 4.5 5 5.5
RMS
NOISE
(nV)
2412 G19
850
825
800
775
750
725
700
675
650
VCC = 5V
REF + = 5V
REF – = GND
VREF = 5V
IN+ = VINCM
IN– = VINCM
VIN = 0V
FO = GND
TA = 25°C
TEMPERATURE (
°C)
RMS
NOISE
(nV)
2412 G20
850
825
800
775
750
725
700
675
650
–50
–25
0
25
50
75
100
VCC = 5V
REF + = 5V
REF – = GND
IN+ = 2.5V
IN– = 2.5V
VIN = 0V
FO = GND
VCC (V)
2.7
3.1
3.5
3.9
4.3
4.7
5.1
5.5
RMS
NOISE
(nV)
2412 G21
850
825
800
775
750
725
700
675
650
REF + = 2.5V
REF – = GND
VREF = 2.5V
IN+ = GND
IN– = GND
FO = GND
TA = 25°C
VREF (V)
0
0.5
1
1.5
2
2.5
3
3.5
4
4.5
5
RMS
NOISE
(nV)
2412 G22
850
825
800
775
750
725
700
675
650
VCC = 5V
REF – = GND
IN+ = GND
IN– = GND
FO = GND
TA = 25°C
VINCM (V)
–0.5 0
1
0.5
1.5 2 2.5 3 3.5 4 4.5 5 5.5
OFFSET
ERROR
(ppm
OF
V
REF
)
2412 G23
0.3
0.2
0.1
0
–0.1
–0.2
–0.3
VCC = 5V
REF + = 5V
REF – = GND
VREF = 5V
IN+ = VINCM
IN– = VINCM
VIN = 0V
FO = GND
TA = 25°C
TEMPERATURE (
°C)
–50
–25
0
25
50
75
100
OFFSET
ERROR
(ppm
OF
V
REF
)
2412 G24
0.3
0.2
0.1
0
–0.1
–0.2
–0.3
VCC = 5V
REF + = 5V
REF – = GND
IN+ = 2.5V
IN– = 2.5V
VIN = 0V
FO = GND
VCC (V)
OFFSET
ERROR
(ppm
OF
V
REF
)
2412 G25
0.3
0.2
0.1
0
–0.1
–0.2
–0.3
REF + = 2.5V
REF – = GND
VREF = 2.5V
IN+ = GND
IN– = GND
FO = GND
TA = 25°C
2.7
3.1
3.5
3.9
4.3
4.7
5.1
5.5
VREF (V)
OFFSET
ERROR
(ppm
OF
V
REF
)
2412 G26
0.3
0.2
0.1
0
–0.1
–0.2
–0.3
VCC = 5V
REF – = GND
IN+ = GND
IN– = GND
FO = GND
TA = 25°C
0
0.5
1
1.5
2
2.5
3
3.5
4
4.5
5
TEMPERATURE (
°C)
+FULL-SCALE
ERROR
(ppm
OF
V
REF
)
2412 G27
3
2
1
0
–1
–2
–3
–45 –30 –15
0
15
30
45
60
75
90
VCC = 5V
REF + = 5V
REF – = GND
IN+ = 2.5V
IN– = GND
FO = GND
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