參數(shù)資料
型號: ADUC836BCP
廠商: ANALOG DEVICES INC
元件分類: 微控制器/微處理器
英文描述: MicroConverter, Dual 16-Bit-ADCs with Embedded 62 kB Flash MCU
中文描述: 8-BIT, FLASH, 12.58 MHz, MICROCONTROLLER, QCC56
封裝: 8 X 8 MM, ROHS COMPLIANT, MO-220-VLLD-2, LFCSP-56
文件頁數(shù): 4/80頁
文件大?。?/td> 5913K
代理商: ADUC836BCP
–4–
ADuC836
SPECIFICATIONS
(continued)
Parameter ADuC836
INTERNAL REFERENCE
ADC Reference
Reference Voltage 1.25 ± 1%
Power Supply Rejection 45
Reference Tempco 100
DAC Reference
Reference Voltage 2.5 ± 1%
Power Supply Rejection 50
Reference Tempco ±100
ANALOG INPUTS/REFERENCE INPUTS
Primary ADC
Differential Input Voltage Ranges
9, 10
Bipolar Mode (ADC0CON3 = 0) ±20
±40
±80
±160
±320
±640
±1.28
±2.56
Analog Input Current
2
±1
±5
Analog Input Current Drift ±5
±15
Absolute AIN Voltage Limits
2
AGND + 100 mV
AV
DD
– 100 mV
Auxiliary ADC
Input Voltage Range
9, 10
0 to V
REF
Average Analog Input Current 125
Average Analog Input Current Drift
2
±2
Absolute AIN Voltage Limits
2, 11
AGND – 30 mV
AV
DD
+ 30 mV
External Reference Inputs
REFIN(+) to REFIN(–) Range
2
1
AV
DD
Average Reference Input Current 1
Average Reference Input Current Drift ±0.1
“NO Ext. REF” Trigger Voltage 0.3
0.65
ADC SYSTEM CALIBRATION
Full-Scale Calibration Limit 1.05
FS
Zero-Scale Calibration Limit –1.05
FS
Input Span 0.8
FS
2.1
FS
ANALOG (DAC) OUTPUT
Voltage Range 0 to V
REF
0 to AV
DD
Resistive Load 10
Capacitive Load 100
Output Impedance 0.5
I
SINK
50
TEMPERATURE SENSOR
Accuracy ±2
Thermal Impedance (
JA
) 90
52
Test Conditions/Comments Unit
Initial Tolerance @ 25°C, V
DD
= 5 V V min/max
dBs typ
ppm/°C typ
Initial Tolerance @ 25°C, V
DD
= 5 V V min/max
dBs typ
ppm/°C typ
External Reference Voltage = 2.5 V
RN2, RN1, RN0 of ADC0CON Set to
0 0 0 (Unipolar Mode 0 mV to 20 mV) mV
0 0 1 (Unipolar Mode 0 mV to 40 mV) mV
0 1 0 (Unipolar Mode 0 mV to 80 mV) mV
0 1 1 (Unipolar Mode 0 mV to 160 mV) mV
1 0 0 (Unipolar Mode 0 mV to 320 mV) mV
1 0 1 (Unipolar Mode 0 mV to 640 mV) mV
1 1 0 (Unipolar Mode 0 V to 1.28 V) V
1 1 1 (Unipolar Mode 0 V to 2.56 V) V
T
MAX
= 85°C nA max
T
MAX
= 125°C nA max
T
MAX
= 85°C pA/°C typ
T
MAX
= 125°C pA/°C typ
V min
V max
Unipolar Mode, for Bipolar Mode V
See Note 11
Input Current Will Vary with Input nA/V typ
Voltage on the Unbuffered Auxiliary ADC pA/V/°C typ
V min
V max
V min
V max
Both ADCs Enabled
A/V typ
nA/V/°C typ
NOXREF Bit Active if V
REF
< 0.3 V V min
NOXREF Bit Inactive if V
REF
> 0.65 V V max
V max
V min
V min
V max
DACRN = 0 in DACCON SFR V typ
DACRN = 1 in DACCON SFR V typ
From DAC Output to AGND k
typ
From DAC Output to AGND pF typ
typ
A typ
°C typ
MQFP Package
°C/W typ
CSP Package (Base Floating)
12
°C/W typ
REV. A
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