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参数资料
| 型号： | DC746A |
| 厂商： | Linear Technology |
| 文件页数： | 36/36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 |
| 相关产品： | DC590B-ND - BOARD DEMO USB SERIAL CONTROLLER LTC2412IGN#PBF-ND - IC ADC 2CH DIFF-IN 24BIT 16SSOP LTC2412IGN#TRPBF-ND - IC ADC 2CH DIFF-IN 24BIT 16SSOP LTC2412CGN#TRPBF-ND - IC ADC 2CH DIFF-IN 24BIT 16SSOP LTC2412CGN#PBF-ND - IC ADC 2CH DIFF-IN 24BIT 16SSOP LTC2412IGN#TR-ND - IC CONV A/D 24B 2CH DIFF 16-SSOP LTC2412CGN#TR-ND - IC CONV A/D 24B 2CH DIFF 16-SSOP LTC2412IGN-ND - IC CONV A/D 24B 2CH DIFF 16-SSOP LTC2412CGN-ND - IC ADC 2CH DIFF-IN 24BIT 16SSOP |
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LTC2412
9
2412f
TYPICAL PERFOR A CE CHARACTERISTICS
UW
– Full-Scale Error
vs Temperature (TA)
+ Full-Scale Error vs VREF
+ Full-Scale Error vs VCC
PSRR vs Frequency at VCC
– Full-Scale Error vs VREF
– Full-Scale Error vs VCC
PSRR vs Frequency at VCC
VCC (V)
+FULL-SCALE
ERROR
(ppm
OF
V
REF
)
2412 G28
3
2
1
0
–1
–2
–3
REF + = 2.5V
REF – = GND
VREF = 2.5V
IN+ = 1.25V
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)
+FULL-SCALE
ERROR
(ppm
OF
V
REF
)
2412 G29
3
2
1
0
–1
–2
–3
VCC = 5V
REF + = VREF
REF – = GND
IN+ = 0.5 REF+
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 G30
3
2
1
0
–1
–2
–3
–45 –30 –15
0
15
30
45
60
75
90
VCC = 5V
REF + = 5V
REF – = GND
IN+ = GND
IN– = 2.5V
FO = GND
VCC (V)
–
FULL-SCALE
ERROR
(ppm
OF
V
REF
)
2412 G31
3
2
1
0
–1
–2
–3
REF + = 2.5V
REF – = GND
VREF = 2.5V
IN+ = GND
IN– = 1.25V
FO = GND
TA = 25°C
2.7
3.1
3.5
3.9
4.3
4.7
5.1
5.5
VREF (V)
–
FULL-SCALE
ERROR
(ppm
OF
V
REF
)
2412 G32
3
2
1
0
–1
–2
–3
VCC = 5V
REF + = VREF
REF – = GND
IN+ = GND
IN– = 0.5 REF+
FO = GND
TA = 25°C
0
0.5
1
1.5
2
2.5
3
3.5
4
4.5
5
FREQUENCY AT VCC (Hz)
REJECTION
(dB)
2412 G33
0
–20
–40
–60
–80
–100
–120
–140
0.01
0.1
1
10
100
VCC = 4.1VDC ± 1.4V
REF + = 2.5V
REF – = GND
IN+ = GND
IN– = GND
FO = GND
TA = 25°C
FREQUENCY AT VCC (Hz)
1
0
–20
–40
–60
–80
–100
–120
–140
1k
100k
2412 G34
10
100
10k
1M
REJECTION
(dB)
VCC = 4.1VDC
REF + = 2.5V
REF – = GND
IN+ = GND
IN– = GND
FO = GND
TA = 25°C
FREQUENCY AT VCC (Hz)
0
REJECTION
(dB)
–60
–40
–20
120
210
2412 G35
–80
–100
30
60
150 180
–120
–140
0
90
240
VCC = 4.1VDC ±1.4V
REF + = 2.5V
REF – = GND
IN+ = GND
IN– = GND
FO = GND
TA = 25°C
FREQUENCY AT VCC (Hz)
15250
–60
–40
0
15400
2412 G36
–80
–100
15300
15350
15450
–120
–140
–20
REJECTION
(dB)
VCC = 4.1VDC ±0.7VP-P
REF + = 2.5V
REF – = GND
IN+ = GND
IN– = GND
FO = GND
TA = 25°C
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