Datasheet

REV. 0
–5–
ADuC816
Parameter ADuC816BS Unit Test Conditions/Comments
TRANSDUCER BURNOUT CURRENT SOURCES
AIN+ Current –100 nA typ AIN+ is the Selected Positive Input to
the Primary ADC
AIN– Current +100 nA typ AIN– is the Selected Negative Input
the Auxiliary ADC
Initial Tolerance @ 25°C Drift ± 10 % typ
Drift 0.03 %/°C typ
EXCITATION CURRENT SOURCES
Output Current –200 μA typ Available from Each Current Source
Initial Tolerance @ 25°C ± 10 % typ
Drift 200 ppm/°C typ
Initial Current Matching @ 25°C ± 1 % typ Matching Between Both Current Sources
Drift Matching 20 ppm/°C typ
Line Regulation (AV
DD
)1 μA/V typ AV
DD
= 5 V + 5%
Load Regulation 0.1 μA/V typ
Output Compliance AV
DD
– 0.6 V max
AGND min
LOGIC INPUTS
All Inputs Except SCLOCK, RESET,
and XTAL1
V
INL
, Input Low Voltage 0.8 V max DV
DD
= 5 V
0.4 V max DV
DD
= 3 V
V
INH
, Input High Voltage 2.0 V min
SCLOCK and RESET Only
(Schmitt-Triggered Inputs)
2
V
T+
1.3/3 V min/V max DV
DD
= 5 V
0.95/2.5 V min/V max DV
DD
= 3 V
V
T–
0.8/1.4 V min/V max DV
DD
= 5 V
0.4/1.1 V min/V max DV
DD
= 3 V
V
T+
– V
T–
0.3/0.85 V min/V max DV
DD
= 5 V
0.3/0.85 V min/V max DV
DD
= 3 V
Input Currents
Port 0, P1.2–P1.7, EA ± 10 μA max V
IN
= 0 V or V
DD
SCLOCK, SDATA/MOSI, MISO, SS
11
–10 min, –40 max μA min/μA max V
IN
= 0 V, DV
DD
= 5 V, Internal Pull-Up
± 10 μA max V
IN
= V
DD
, DV
DD
= 5 V
RESET ± 10 μA max V
IN
= 0 V, DV
DD
= 5 V
35 min, 105 max μA min/μA max V
IN
= V
DD
, DV
DD
= 5 V,
Internal Pull-Down
P1.0, P1.1, Ports 2 and 3 ± 10 μA max V
IN
= V
DD
, DV
DD
= 5 V
–180 μA min V
IN
= 2 V, DV
DD
= 5 V
–660 μA max
–20 μA min V
IN
= 450 mV, DV
DD
= 5 V
–75 μA max
Input Capacitance 5 pF typ All Digital Inputs
CRYSTAL OSCILLATOR (XTAL1 AND XTAL2)
Logic Inputs, XTAL1 Only
V
INL
, Input Low Voltage 0.8 V max DV
DD
= 5 V
0.4 V max DV
DD
= 3 V
V
INH
, Input High Voltage 3.5 V min DV
DD
= 5 V
2.5 V min DV
DD
= 3 V
XTAL1 Input Capacitance 18 pF typ
XTAL2 Output Capacitance 18 pF typ
REV. A