ADUC836BS Analog Devices Inc, ADUC836BS Datasheet - Page 4

• Manufacturer Part Number: ADUC836BS
• Description: IC ADC DUAL 16BIT W/MCU 52-MQFP
• Manufacturer: Analog Devices Inc
• Series: MicroConverter® ADuC8xxr

Specifications of ADUC836BS

• Rohs Status: RoHS non-compliant
• Core Processor: 8052
• Core Size: 8-Bit
• Speed: 12.58MHz
• Connectivity: EBI/EMI, I²C, SPI, UART/USART
• Peripherals: POR, PSM, PWM, Temp Sensor, WDT
• Number Of I /o: 34
• Program Memory Size: 62KB (62K x 8)
• 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 7x16b; D/A 1x12b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 125°C
• Package / Case: 52-MQFP, 52-PQFP

ADuC836
SPECIFICATIONS
Parameter
INTERNAL REFERENCE
ANALOG INPUTS/REFERENCE INPUTS
ADC SYSTEM CALIBRATION
ANALOG (DAC) OUTPUT
TEMPERATURE SENSOR
Voltage Range
Thermal Impedance (
ADC Reference
DAC Reference
Primary ADC
Auxiliary ADC
External Reference Inputs
Full-Scale Calibration Limit
Zero-Scale Calibration Limit
Input Span
Resistive Load
Capacitive Load
Output Impedance
I
Accuracy
SINK
Analog Input Current
Analog Input Current Drift
Absolute AIN Voltage Limits
Average Analog Input Current
Average Analog Input Current Drift
Absolute AIN Voltage Limits
Average Reference Input Current
Average Reference Input Current Drift
“NO Ext. REF” Trigger Voltage
Reference Voltage
Power Supply Rejection
Reference Tempco
Reference Voltage
Power Supply Rejection
Reference Tempco
Differential Input Voltage Ranges
Bipolar Mode (ADC0CON3 = 0)
Input Voltage Range
REFIN(+) to REFIN(–) Range
9, 10
JA
2
)
(continued)
2
2, 11
2
9, 10
2
ADuC836
1.25 ± 1%
45
100
2.5 ± 1%
50
±100
±20
±40
±80
±160
±320
±640
±1.28
±2.56
±1
±5
±5
±15
AGND + 100 mV
AV
0 to V
125
±2
AGND – 30 mV
AV
1
AV
1
±0.1
0.3
0.65
1.05  FS
–1.05  FS
0.8  FS
2.1  FS
0 to V
0 to AV
10
100
0.5
50
±2
90
52
DD
DD
DD
REF
REF
– 100 mV
+ 30 mV
DD
–4–
Test Conditions/Comments
Initial Tolerance @ 25°C, V
Initial Tolerance @ 25°C, V
External Reference Voltage = 2.5 V
RN2, RN1, RN0 of ADC0CON Set to
0 0 0 (Unipolar Mode 0 mV to 20 mV)
0 0 1 (Unipolar Mode 0 mV to 40 mV)
0 1 0 (Unipolar Mode 0 mV to 80 mV)
0 1 1 (Unipolar Mode 0 mV to 160 mV)
1 0 0 (Unipolar Mode 0 mV to 320 mV)
1 0 1 (Unipolar Mode 0 mV to 640 mV)
1 1 0 (Unipolar Mode 0 V to 1.28 V)
1 1 1 (Unipolar Mode 0 V to 2.56 V)
T
T
T
T
Unipolar Mode, for Bipolar Mode
See Note 11
Input Current Will Vary with Input
Voltage on the Unbuffered Auxiliary ADC
Both ADCs Enabled
NOXREF Bit Active if V
NOXREF Bit Inactive if V
DACRN = 0 in DACCON SFR
DACRN = 1 in DACCON SFR
From DAC Output to AGND
From DAC Output to AGND
MQFP Package
CSP Package (Base Floating)
MAX
MAX
MAX
MAX
= 85°C
= 125°C
= 85°C
= 125°C
REF
REF
DD
DD
< 0.3 V
12
> 0.65 V
= 5 V
= 5 V
V min
V max
V min
V max
V min
V max
V max
V min
V min
V max
Unit
V min/max
dBs typ
ppm/°C typ
V min/max
dBs typ
ppm/°C typ
mV
mV
mV
mV
mV
mV
V
V
nA max
nA max
pA/°C typ
pA/°C typ
V
nA/V typ
pA/V/°C typ
A/V typ
nA/V/°C typ
V min
V max
V typ
V typ
k typ
pF typ
 typ
A typ
°C typ
°C/W typ
°C/W typ
REV. A