
ADuC7023
Data Sheet
| Page 6 of 96
Parameter
Min
Typ
Max
Unit
Test Conditions/Comments
DAC IN OP AMP MODE
DAC Output Buffer in Op Amp Mode
Input Offset Voltage
±0.25
mV
Input Offset Voltage Drift
8
V/°C
Input offset Current
0.3
nA
Input Bias Current
0.4
nA
Gain
80
dB
5 k load
Unity-Gain Frequency
5
MHz
RL = 5 k, CL = 100 pF
CMRR
80
dB
Settling Time
10
s
RL = 5 k, CL = 100 pF
Output Slew Rate
1.5
V/s
RL = 5 k, CL = 100 pF
PSRR
75
dB
DAC AC CHARACTERISTICS
Voltage Output Settling Time
10
s
Digital-to-Analog Glitch Energy
±20
nV-sec
1 LSB change at major carry (where maximum number of
bits simultaneously change in the DACxDAT register)
COMPARATOR
Input Offset Voltage
±10
mV
Input Bias Current
1
A
Input Voltage Range
AGND
AVDD – 1.2
V
Input Capacitance
7
pF
2
15
mV
Hysteresis can be turned on or off via the CMPHYST bit
in the CMPCON register
Response Time
3
s
100 mV overdrive and configured with CMPRES = 11
TEMPERATURE SENSOR
Indicates die temperature
Voltage Output at 25°C
1.369
V
Voltage TC
4.42
mV/°C
Accuracy with No Calibration
±3
°C
Accuracy with One Point Calibration
Using Contents of TEMPREF Register
±1.5
°C
θJA Thermal Impedance
40-Lead LFCSP
26
°C/W
32-Lead LFCSP
32.5
°C/W
POWER SUPPLY MONITOR (PSM)
IOVDD Trip Point Selection
2.79
V
One trip point
Power Supply Trip Point Accuracy
±2
%
Of the selected nominal trip point voltage
POWER-ON RESET
2.41
V
WATCHDOG TIMER (WDT)
Timeout Period
0
512
sec
FLASH/EE MEMORY
10,000
Cycles
20
Years
TJ = 85°C
DIGITAL INPUTS
All digital inputs excluding XCLKI and XCLKO
Logic 1 Input Current
±0.2
±1
A
VIH = VDD or VIH = 5 V
Logic 0 Input Current
40
60
A
VIL = 0 V; except TDI
80
120
A
VIL = 0 V; TDI
Input Capacitance
10
pF
All logic inputs excluding XCLKI
VINL, Input Low Voltage
0.8
V
VINH, Input High Voltage
2.0
V
LOGIC OUTPUTS
All digital outputs excluding XCLKO
VOH, Output High Voltage
2.4
V
ISOURCE = 1.6 mA
VOL, Output Low Voltage13 0.4
V
ISINK = 1.6 mA
CRYSTAL INPUTS XCLKI AND XCLKO
Logic Inputs, XCLKI Only
VINL, Input Low Voltage
1.1
V
VINH, Input High Voltage
1.7
V
XCLKI Input Capacitance
20
pF
XCLKO Output Capacitance
20
pF
Rev. E