ADUC834 Analog Devices, ADUC834 Datasheet - Page 3

• Manufacturer Part Number: ADUC834
• Description: Precision Analog Microcontroller: 1MIPS 8052 MCU + 62kB Flash + 16/24-Bit ADC + 12-Bit DAC
• Manufacturer: Analog Devices

Specifications of ADUC834

• Mcu Core: 8052
• Mcu Speed (mips): 1
• Sram (bytes): 2304Bytes
• Gpio Pins: 34
• Adc # Channels: 4
• Other: PWM

SPECIFICATIONS
Parameter
ADC SPECIFICATIONS
DAC PERFORMANCE
REV. A
Conversion Rate
Primary ADC
Auxiliary ADC
Power Supply Rejection (PSR)
DC Specifications
AC Specifications
No Missing Codes
Resolution
Output Noise
Integral Nonlinearity
Offset Error
Offset Error Drift
Full-Scale Error
Gain Error Drift
ADC Range Matching
Power Supply Rejection (PSR)
Common-Mode DC Rejection
Common-Mode 50 Hz/60 Hz Rejection
Normal Mode 50 Hz/60 Hz Rejection
No Missing Codes
Resolution
Output Noise
Integral Nonlinearity
Offset Error
Offset Error Drift
Full-Scale Error
Gain Error Drift
Normal Mode 50 Hz/60 Hz Rejection
Resolution
Relative Accuracy
Differential Nonlinearity
Offset Error
Gain Error
Voltage Output Settling Time
Digital-to-Analog Glitch Energy
On AIN
On REFIN
On AIN
On REFIN
On AIN
On REFIN
On AIN
On REFIN
8
3
3
2, 7
7
4
6
5
5
2
2
1
(AV
5.25 V, REFIN(+) = 2.5 V, REFIN(–) = AGND; AGND = DGND = 0 V; XTAL1/XTAL2 =
32.768 kHz Crystal; all specifications T
DD
= 2.7 V to 3.6 V or 4.75 V to 5.25 V, DV
2
2
2
ADuC834
5.4
105
24
13.5
18.5
See Tables X and XI Output Noise Varies with Selected
in ADuC834 ADC
Description
± 15
± 3
± 10
± 10
± 0.5
± 2
113
80
95
113
125
95
90
90
60
60
16
16
See Table XII in
ADuC834 ADC
Description
± 15
–2
1
–2.5
± 0.5
80
60
60
12
± 3
–1
± 50
± 1
± 1
15
10
–3–
Test Conditions/Comments
On Both Channels
Programmable in 0.732 ms Increments
20 Hz Update Rate
Range = ± 20 mV, 20 Hz Update Rate
Range = ± 2.56 V, 20 Hz Update Rate
Update Rate and Gain Range
1 LSB
AIN = 18 mV
AIN = 7.8 mV, Range = ± 20 mV
AIN = 1 V, Range = ± 2.56 V
At DC, AIN = 7.8 mV, Range = ± 20 mV dBs min
At DC, AIN = 1 V, Range = ± 2.56 V
At DC, AIN = 1 V, Range = ± 2.56 V
20 Hz Update Rate
50 Hz/60 Hz ± 1 Hz, AIN = 7.8 mV,
Range = ± 20 mV
50 Hz/60 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/60 Hz ± 1 Hz, 20 Hz Update Rate
50 Hz/60 Hz ± 1 Hz, 20 Hz Update Rate
Range = ± 2.5 V, 20 Hz Update Rate
Output Noise Varies with Selected
Update Rate
AIN = 1 V, 20 Hz Update Rate
50 Hz/60 Hz ± 1 Hz
50 Hz/60 Hz ± 1 Hz, 20 Hz Update Rate
Guaranteed 12-Bit Monotonic
AV
V
Settling Time to 1 LSB of Final Value
1 LSB Change at Major Carry
REF
MIN
DD
, to T
Range
16
Range
DD
MAX
= 2.7 V to 3.6 V or 4.75 V to
unless otherwise noted.)
Unit
Hz min
Hz max
Bits min
Bits p-p typ
Bits p-p typ
ppm of FSR max
nV/°C typ
ppm/°C typ
dBs typ
dBs min
dBs typ
dBs typ
dBs min
dBs min
dBs min
dBs min
dBs min
Bits min
Bits p-p typ
ppm of FSR max
LSB typ
LSB typ
ppm/°C typ
dBs min
dBs min
dBs min
Bits
LSB typ
LSB max
mV max
% max
% typ
nVs typ
V typ
V typ
V typ
V/°C typ
s typ
ADuC834