ADUC834BSZ Analog Devices Inc, ADUC834BSZ Datasheet - Page 3

• Manufacturer Part Number: ADUC834BSZ
• Description: IC ADC DUAL16/24BIT W/MCU 52MQFP
• Manufacturer: Analog Devices Inc
• Series: MicroConverter® ADuC8xxr

Specifications of ADUC834BSZ

• Core Size: 8-Bit
• Program Memory Size: 62KB (62K x 8)
• Oscillator Type: Internal
• Core Processor: 8052
• Speed: 12.58MHz
• Connectivity: EBI/EMI, I²C, SPI, UART/USART
• Peripherals: POR, PSM, PWM, Temp Sensor, WDT
• Number Of I /o: 34
• Program Memory Type: FLASH
• Eeprom Size: 4K x 8
• Ram Size: 2.25K x 8
• Voltage - Supply (vcc/vdd): 2.7 V ~ 5.25 V
• Data Converters: A/D 3x16b, 4x24b; D/A 1x12b
• Operating Temperature: -40°C ~ 125°C
• Package / Case: 52-MQFP, 52-PQFP
• Controller Family/series: (8052) ADUC
• No. Of I/o's: 26
• Eeprom Memory Size: 62KB
• Ram Memory Size: 2KB
• Cpu Speed: 12.58MHz
• Package: 52MQFP
• Device Core: 8052
• Family Name: ADuC8xx
• Maximum Speed: 12.58 MHz
• Operating Supply Voltage: 3.3|5 V
• Data Bus Width: 8 Bit
• Number Of Programmable I/os: 26
• Interface Type: I2C/SPI/UART
• On-chip Adc: 4-chx16-bit|4-chx24-bit
• On-chip Dac: 1-chx12-bit
• Number Of Timers: 3
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

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