Electrical characteristics (continued) – Rainbow Electronics MAXQ7670 User Manual
Page 5

MAXQ7670
Microcontroller with 10-Bit ADC,
PGA, 64KB Flash, and CAN Interface
_______________________________________________________________________________________
5
ELECTRICAL CHARACTERISTICS (continued)
(V
DVDDIO
= +5.0V, V
AVDD
= +3.3V, V
DVDD
= +2.5V, V
REFADC
= +3.3V, system clock = 16MHz. T
A
= T
MIN
to T
MAX
, unless otherwise
noted. Typical values are at T
A
= +25°C.) (Note 1)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
Output Current Capability
LRAPD = 0
50
mA
Output Short-Circuit Current
LRAPD = 0, AVDD shorted to AGND
100
mA
Maximum AVDD Bypass
Capacitor to AGND
LRAPD = 0
0.47
µF
+2.5V (DVDD) LINEAR REGULATOR
DVDD Output Voltage
REGEN2 = GNDIO
2.38
2.5
2.62
V
No-Load Quiescent Current
REGEN2 = GNDIO, all internal digital
peripherals disabled
15
µA
Output Current Capability
REGEN2 = GNDIO
50
mA
Output Short-Circuit Current
REGEN2 = GNDIO, DV
DD
shorted to
DGND
100
mA
Maximum DVDD Bypass
Capacitor to DGND
REGEN2 = GNDIO
0.47
µF
SUPPLY-VOLTAGE SUPERVISORS AND BROWNOUT DETECTION
DVDD Reset Threshold
Asserts RESET if V
DVDD
is below this
threshold
2.1
2.25
V
DVDD Interrupt Threshold
Generates an interrupt if V
DVDD
falls
below this threshold
2.25
2.38
V
Minimum DVDD Interrupt and
Reset Threshold Difference
0.14
V
AVDD Interrupt Threshold
Generates an interrupt if V
AVDD
falls
below this threshold
3.0
3.15
V
DVDDIO Interrupt Threshold
Generates an interrupt if V
DVDDIO
falls below this threshold
4.5
4.75
V
DV
DD
1
2.75
AV
DD
1
3.6
Operational Range
DV
DDIO
1
5.25
V
Supervisor Hysteresis
±0.7
%
CAN INTERFACE
CAN Baud Rate
f
CANCLK
= 8MHz
1
Mbps
CANCLK Mean Frequency
Error
8MHz or 16MHz, 50ppm external
crystal
60
ppm
CANCLK Total Frequency Error
8MHz or 16MHz, 50ppm external
crystal; measured over a 12ms
interval; mean plus peak cycle jitter
< 0.5
%