aduc844bs62-5 Analog Devices, Inc., aduc844bs62-5 Datasheet - Page 2

• Manufacturer Part Number: aduc844bs62-5
• Description: Microconverter 1-cycle 8052 24-bit 16-bit 12-bit K-byte Flash
• Manufacturer: Analog Devices, Inc.

ADuC844 SPECIFICATIONS
PARAMETER
PRIMARY ADC
PRIMARY ADC ANALOG INPUTS
EXTERNAL REFERENCE INPUTS
Conversion Rate
No Missing Codes
Resolution
Output Noise
Integral Non Linearity
Offset Error
Offset Error Drift (vs. Temp)
Full-Scale Error
Gain Error Drift
ADC Range Matching
Power Supply Rejection
Common Mode DC Rejection
Common Mode 50/60Hz Rejection
Normal Mode 50/60 Hz Rejection
Differential Input Voltage Ranges
Analog Input Current
Analog Input Current Drift
Absolute AIN Voltage Limits
REFIN(+) to REFIN(–) Range
Average Reference Input Current
Average Reference Input Current Drift
‘NO Ext. REF’ Trigger Voltage
Common Mode DC Rejection
Common Mode 50/60Hz Rejection
Normal Mode 50/60 Hz Rejection
Bipolar Mode (ADC0CON.5 = 0)
Unipolar Mode (ADC0CON.5 = 1)
On AIN
On AIN
On AIN
On AIN
On AIN
3
4
5
(vs. Temp)
2
2
PRELIMINARY TECHNICAL DATA
2
2
9,10
A
See Tables X and XI in ADC
MIN
0 à 1.024 x REFIN/GAIN
5.35
GND
125
0.3
24
80
95
95
90
60
90
60
1
± 1.024 x V
+ 0.1
Description
+/- 0.01
19.79
± 0.5
TYP
+/- 1
13.5
18.5
± 10
± 10
± 15
113
113
± 3
± 2
± 5
2.5
1
REF
AV
(AVDD = 2.7 V to 3.6 V or 4.75 V to 5.25 V, DVDD = 2.7 V to 3.6 V or 4.75 V to 5.25 V,
REFIN(+) = 2.5 V, REFIN(–) = AGND; AGND = DGND = 0 V; XTAL1/XTAL2 = 32.768 kHz
Crystal; all specifications T
/GAIN
DD
MAX
AV
± 15
– 0.1
0.65
105
-2-
± 1
± 5
DD
ppm of FSR
Bits Pk-Pk
Bits Pk-Pk
nA/V/°C
ppm/°C
UNITS
nV/°C
pA/°C
pA/°C
Bits
dBs
dBs
dBs
dBs
dBs
dBs
dBs
dBs
dBs
dBs
Hz
nA
nA
A/V
V
V
V
V
V
V
V
V
MIN
, to T
MAX
CONDITION
On Both Channels
19.79Hz Update Rate
Range = ± 20mV, 20Hz Update Rate
Range = ± 2.56V, 20Hz Update Rate
Output Noise varies with selected Update Rates
and Gain Range
1 LSB
AIN=18mV
AIN=1V, Range=± 2.56V
AIN=7.8mV, Range=± 20mV
@DC, AIN=7.8mV, Range=± 20mV
@DC, AIN=1V, Range=± 2.56V
20 Hz Update Rate
50/60Hz ± 1Hz, AIN=7.8mV, Range=± 20mV
50/60Hz ± 1Hz, AIN=1V, Range=± 2.56V
50/60Hz ± 1Hz, 20 Hz Update Rate
V
GAIN = 1 to 128
V
GAIN=1 to 128
T
T
T
T
Both ADCs Enabled
NOXREF bit active if VREF<0.3V
NOXREF bit Inactive if VREF>0.65
@DC, AIN=1V, Range=± 2.56V
50/60Hz ± 1Hz, AIN=1V, Range=± 2.56V
50/60Hz ± 1Hz, 59.4 Hz Update Rate
unless otherwise noted.).
MAX
MAX
MAX
MAX
REF
REF
= REFIN(+) - REFIN(-) (or Int 1.25V Ref)
= REFIN(+) - REFIN(-)
= 85°C
= 125°C
= 85°C
= 125°C
16
REV. PrB