ADUC845BCP8-5 Analog Devices, ADUC845BCP8-5 Datasheet - Page 5
ADUC845BCP8-5
Manufacturer Part Number
ADUC845BCP8-5
Description
MicroConverter Multichannel 24-/16-Bit ADCs with Embedded 62 kB Flash and Single-Cycle MCU
Manufacturer
Analog Devices
Datasheet
1.ADUC845BCP8-5.pdf
(108 pages)
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Parameter
EXTERNAL REFERENCE INPUTS
AUXILIARY ADC (ADuC845 Only)
Footnotes at end of table.
Normal Mode Rejection 50 Hz/60 Hz
Analog Input Current
Analog Input Current Drift
Average Input Current
Average Input Current Drift
Absolute AIN Voltage Limits
Absolute AIN Voltage Limits
REFIN(+) to REFIN(–) Voltage
REFIN(+) to REFIN(–) Range
Average Reference Input Current
Average Reference Input Current
NOXREF Trigger Voltage
Common-Mode Rejection
Normal Mode Rejection 50 Hz/60 Hz
Conversion Rate
No Missing Codes
Resolution
Output Noise
Integral Nonlinearity
Offset Error
Offset Error Drift
Full-Scale Error
Gain Error Drift
Power Supply Rejection
On AIN
DC Rejection
50 Hz/60 Hz Rejection
Drift
3
4
4
2
2
2
2
2
2
2
2
2
Min
75
100
67
100
A
0.1
A
0.03
1
0.3
90
75
100
67
100
5.4
16.06
24
24
See Table 19 and Table 21
See Table 18 and Table 20
80
GND
GND
+
−
Typ
±5
±15
±125
±2
2.5
±1
±0.1
125
±3
±0.25
10
200
±0.5
±0.5
80
Rev. A | Page 5 of 108
Max
±1
±5
AV
0.1
AV
0.03
AV
0.65
105
1365
±15
DD
DD
DD
−
+
Unit
dB
dB
dB
dB
nA
nA
pA/°C
nA/V
pA/V/°C
V
V
V
V
µA/V
nA/V/°C
dB
dB
dB
dB
dB
Hz
Hz
Bits
Bits
µV
nV/°C
nV/°C
ppm/°C
dB
dB
pA/°C
V
dB
ppm of FSR
LSB
LSB
16
16
Conditions
50 Hz/60 Hz ± 1 Hz, 16.6 Hz Fadc, SF = 52H,
50 Hz ± 1 Hz, 16.6 Hz Fadc, SF = 52H, chop on
50 Hz/60 Hz ± 1 Hz, 50 Hz Fadc, SF = 52H,
50 Hz ± 1 Hz, 50 Hz Fadc, SF = 52H, chop off
T
T
T
T
±2.56 V range, buffer bypassed
Buffer bypassed
AIN1…AIN10 and AINCOM with buffer enabled
AIN1…AIN10 and AINCOM with buffer bypassed
REFIN refers to both REFIN and REFIN2
REFIN refers to both REFIN and REFIN2
Both ADCs enabled
NOXREF (ADCSTAT.4) bit active if V
AIN = 1 V, range = ±2.56 V
50 Hz/60 Hz ± 1 Hz, AIN = 1 V,
50 Hz/60 Hz ±1 Hz, AIN = 1 V, range = ±2.56 V,
50 Hz ± 1 Hz, AIN = 1 V, range = ±2.56 V,
50 Hz/60 Hz ± 1 Hz, AIN = 1 V, range = ±2.56 V,
50 Hz ± 1 Hz, AIN = 1 V, range = ±2.56 V,
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
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
MAX
MAX
MAX
MAX
chop on, REJ60 on
chop off, REJ60 on
inactive if V
range = ±2.56 V, SF = 82
SF = 52H, chop on, REJ60 on
SF = 52H, chop on
SF = 52H, chop off, REJ60 on
SF = 52H, chop off
= 125°C, buffer on
ADuC845/ADuC847/ADuC848
= 85°C, buffer on
= 85°C, buffer on
= 125°C, buffer on
16
REF
> 0.65 V
REF
> 0.3 V, and
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