ADUC847 Analog Devices, ADUC847 Datasheet - Page 7

• Manufacturer Part Number: ADUC847
• Description: Precision Analog Microcontroller: 12MIPS 8052 Flash MCU + 10-Ch 24-Bit ADC + 12-Bit DAC
• Manufacturer: Analog Devices

Specifications of ADUC847

• Mcu Core: 8052
• Mcu Speed (mips): 12
• Sram (bytes): 2304Bytes
• Gpio Pins: 34
• Adc # Channels: 10
• Other: PWM

Parameter
TRANSDUCER BURNOUT CURRENT
SOURCES
EXCITATION CURRENT SOURCES
POWER SUPPLY MONITOR (PSM)
CRYSTAL OSCILLATOR
(XTAL1 AND XTAL2)
LOGIC INPUTS
AIN+ Current
AIN− Current
Initial Tolerance at 25°C
Drift
Output Current
Initial Tolerance at 25°C
Drift
Initial Current Matching at 25°C
Drift Matching
Line Regulation (AV
Load Regulation
Output Compliance
AV
AV
DV
DV
Logic Inputs, XTAL1 Only
XTAL1 Input Capacitance
XTAL2 Output Capacitance
All inputs except SCLOCK, RESET,
and XTAL1
SCLOCK and RESET Only
(Schmidt Triggered Inputs)
Input Currents
Input Capacitance
V
V
V
V
V
V
V
Port 0, P1.0 to P1.7, EA
RESET
Port 2, Port 3
DD
DD
DD
DD
INL
INH
INL
INH
T+
T−
T+
Trip Point Selection Range
Trip Point Accuracy
Trip Point Selection Range
Trip Point Accuracy
, Input Low Voltage
, Input Low Voltage
− V
, Input Low Voltage
, Input Low Voltage
T−
2
DD
2
)
2
2
Min
AGND
2.63
2.63
3.5
2.5
2.0
1.3
0.95
0.8
0.4
0.3
35
−180
−20
Typ
−100
100
±10
0.03
200
±10
200
±1
20
1
0.1
18
18
10
Rev. B | Page 7 of 108
AV
DD
Max
4.63
±3.0
±4.0
4.63
±3.0
±4.0
0.8
0.4
0.8
0.4
3.0
2.5
1.4
1.1
0.85
±10
±10
105
±10
−660
−75
− 0.6
Unit
nA
nA
%/°C
µA
ppm/°C
%
µA/V
µA/V
V
pF
µA
µA
pF
%
%
ppm/°C
V
%
%
V
%
%
V
V
V
V
pF
V
V
V
V
V
V
V
V
µA
µA
µA
µA
Conditions
AIN+ is the selected positive input (AIN4 or AIN6
AIN− is the selected negative input (AIN5 or AIN7
Available from each current source
Matching between both current sources
AV
Four trip points selectable in this range
T
T
Four trip points selectable in this range
T
T
DV
DV
DV
DV
DV
DV
DV
DV
DV
DV
DV
V
V
V
V
V
V
All digital inputs
MAX
MAX
MAX
MAX
IN
IN
IN
IN
IN
IN
only) to the primary ADC
only) to the primary ADC
DD
DD
DD
DD
DD
DD
DD
DD
DD
DD
DD
DD
= 0 V or V
= 0 V, DV
= DV
= DV
= 2 V, DV
= 0.45 V, DV
ADuC845/ADuC847/ADuC848
= 85°C
= 125°C
= 85°C
= 125°C
= 5 V ± 5%
= 5 V
= 3 V
= 5 V
= 3 V
= 5 V
= 3 V
= 5 V
= 3 V
= 5 V
= 3 V
= 5 V or 3 V
DD
DD
, DV
, DV
DD
DD
DD
DD
DD
= 5 V
= 5 V
DD
= 5 V, internal pull-down
= 5 V
= 5 V