Electrical characteristics (continued) – Rainbow Electronics MAXQ7670 User Manual

Page 5

Advertising
background image

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

%

Advertising