ADUC834 Analog Devices, ADUC834 Datasheet - Page 5

• 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

Parameter
TRANSDUCER BURNOUT CURRENT SOURCES
EXCITATION CURRENT SOURCES
LOGIC INPUTS
CRYSTAL OSCILLATOR (XTAL1 AND XTAL2)
REV. A
AIN+ Current
AIN– Current
Initial Tolerance @ 25°C
Drift
Output Current
Drift
Initial Current Matching @ 25°C
Drift Matching
Line Regulation (AV
Load Regulation
Output Compliance
All Inputs Except SCLOCK, RESET,
SCLOCK and RESET Only
Input Currents
Input Capacitance
Logic Inputs, XTAL1 Only
XTAL1 Input Capacitance
XTAL2 Output Capacitance
Initial Tolerance @ 25°C
and XTAL1
V
V
(Schmitt-Triggered Inputs)
V
V
V
Port 0, P1.2–P1.7, EA
SCLOCK, MOSI, MISO, SS
RESET
P1.0, P1.1, Ports 2 and 3
V
V
INL
INH
T+
T–
T+
INL
INH
– V
, Input Low Voltage
, Input Low Voltage
, Input High Voltage
, Input High Voltage
T–
2
2
DD
)
2
2
13
ADuC834
–100
+100
± 10
0.03
–200
± 10
200
± 1
20
1
0.1
AV
AGND
0.8
0.4
2.0
1.3/3
0.95/2.5
0.8/1.4
0.4/1.1
0.3/0.85
0.3/0.85
± 10
–10 min, –40 max
± 10
± 10
35 min, 105 max
± 10
–180
–660
–20
–75
5
0.8
0.4
3.5
2.5
18
18
DD
– 0.6
–5–
Test Conditions/Comments
AIN+ Is the Selected Positive Input to
the Primary ADC
AIN– Is the Selected Negative Input to
the Auxiliary ADC
Available from Each Current Source
Matching between Both Current Sources
AV
DV
DV
DV
DV
DV
DV
DV
DV
V
V
V
V
V
V
V
V
All Digital Inputs
DV
DV
DV
DV
IN
IN
IN
IN
IN
IN
IN
IN
DD
DD
DD
DD
DD
DD
DD
DD
DD
DD
DD
DD
DD
= V
= 0 V or V
= 0 V, DV
= V
= 0 V, DV
= V
= 2 V, DV
= 450 mV, DV
= 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
= 3 V
DD
DD
DD
, DV
, DV
, DV
DD
DD
DD
DD
DD
DD
DD
= 5 V, Internal Pull-Up
= 5 V, Internal Pull-Down
= 5 V
= 5 V
= 5 V
= 5 V
DD
= 5 V
Unit
nA typ
nA typ
% typ
%/°C typ
% typ
ppm/°C typ
% typ
ppm/°C typ
V max
min
V max
V max
V min
V min/V max
V min/V max
V min/V max
V min/V max
V min/V max
V min/V max
pF typ
V max
V max
V min
V min
pF typ
pF typ
A typ
A/V typ
A/V typ
A max
A min/ A max
A max
A max
A min/ A max
A max
A min
A max
A min
A max
ADuC834