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參數資料
| 型號： | ADUC845 |
| 廠商： | Analog Devices, Inc. |
| 元件分類： | ADC |
| 英文描述： | MicroConverter Multichannel 24-/16-Bit ADCs with Embedded 62 kB Flash and Single-Cycle MCU |
| 中文描述： | MicroConverter的多通道ADC的24-/16-Bit與嵌入式62 kB閃存以及單周期控制器 |
| 文件頁數： | 5/108頁 |
| 文件大小： | 1109K |
| 代理商： | ADUC845 |
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ADuC845/ADuC847/ADuC848
Parameter
Normal Mode Rejection 50 Hz/60
Hz
2
On AIN
Rev. A | Page 5 of 108
Min
75
Typ
Max
Unit
dB
Conditions
50 Hz/60 Hz ± 1 Hz, 16.6 Hz Fadc, SF = 52H,
chop on, REJ60 on
50 Hz ± 1 Hz, 16.6 Hz Fadc, SF = 52H, chop on
50 Hz/60 Hz ± 1 Hz, 50 Hz Fadc, SF = 52H,
chop off, REJ60 on
50 Hz ± 1 Hz, 50 Hz Fadc, SF = 52H, chop off
T
MAX
= 85°C, buffer on
T
MAX
= 125°C, buffer on
T
MAX
= 85°C, buffer on
T
MAX
= 125°C, buffer on
±2.56 V range, buffer bypassed
Buffer bypassed
AIN1…AIN10 and AINCOM with buffer enabled
100
67
dB
dB
100
A
GND
+
0.1
A
GND
0.03
1
±5
±15
±125
±2
±1
±5
AV
DD
0.1
AV
DD
+
0.03
AV
DD
dB
nA
nA
pA/°C
pA/°C
nA/V
pA/V/°C
V
Analog Input Current
2
Analog Input Current Drift
Average Input Current
Average Input Current Drift
Absolute AIN Voltage Limits
2
Absolute AIN Voltage Limits
2
V
AIN1…AIN10 and AINCOM with buffer bypassed
EXTERNAL REFERENCE INPUTS
REFIN(+) to REFIN(–) Voltage
REFIN(+) to REFIN(–) Range
2
Average Reference Input Current
Average Reference Input Current
Drift
NOXREF Trigger Voltage
2.5
±1
±0.1
V
V
μA/V
nA/V/°C
V
REFIN refers to both REFIN and REFIN2
REFIN refers to both REFIN and REFIN2
Both ADCs enabled
0.3
0.65
NOXREF (ADCSTAT.4) bit active if V
REF
> 0.3 V, and
inactive if V
REF
> 0.65 V
AIN = 1 V, range = ±2.56 V
50 Hz/60 Hz ± 1 Hz, AIN = 1 V,
range = ±2.56 V, SF = 82
50 Hz/60 Hz ±1 Hz, AIN = 1 V, range = ±2.56 V,
SF = 52H, chop on, REJ60 on
50 Hz ± 1 Hz, AIN = 1 V, range = ±2.56 V,
SF = 52H, chop on
50 Hz/60 Hz ± 1 Hz, AIN = 1 V, range = ±2.56 V,
SF = 52H, chop off, REJ60 on
50 Hz ± 1 Hz, AIN = 1 V, range = ±2.56 V,
SF = 52H, chop off
Chop on
Chop off
≤26.7 Hz update rate, chop enabled
80.3 Hz update rate, chop disabled
Output noise varies with selected update rates.
1 LSB
16
Chop on
Chop off
Chop on
Chop off
AIN = 1 V, range = ±2.56 V, chop enabled
AIN = 1 V, range = ±2.56 V, chop disabled
Common-Mode Rejection
DC Rejection
50 Hz/60 Hz Rejection
2
90
125
dB
dB
Normal Mode Rejection 50 Hz/60 Hz
2
75
dB
100
dB
67
dB
100
dB
AUXILIARY ADC (ADuC845 Only)
Conversion Rate
No Missing Codes
2
Resolution
Output Noise
Integral Nonlinearity
Offset Error
3
Offset Error Drift
2
Full-Scale Error
4
Gain Error Drift
4
Power Supply Rejection
Footnotes at end of table.
5.4
16.06
24
24
See Table 19 and Table 21
See Table 18 and Table 20
±3
±0.25
10
200
±0.5
±0.5
80
80
105
1365
Hz
Hz
Bits
Bits
ppm of FSR
μV
LSB
16
nV/°C
nV/°C
LSB
16
ppm/°C
dB
dB
±15
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相關代理商/技術參數 |
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|---|---|
| ADUC845_12 | 制造商:AD 制造商全稱:Analog Devices 功能描述:MicroConverter?? Multichannel 24-/16-Bit ADCs with Embedded 62 kB Flash and Single-Cycle MCU |
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| ADUC845BCP62-3 | 制造商:Analog Devices 功能描述:MCU 8-bit ADuC8xx 8052 CISC 62KB Flash 3.3V/5V 56-Pin LFCSP EP |
| ADUC845BCP62-5 | 制造商:AD 制造商全稱:Analog Devices 功能描述:MicroConverter Multichannel 24-/16-Bit ADCs with Embedded 62 kB Flash and Single-Cycle MCU |
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