MAXQ7670A datasheet(5/38 Pages) MAXIM

Part #	MAXQ7670A

Description	Microcontroller with 12-Bit ADC, PGA, 64KB Flash, and CAN Interface

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Manufacturer	MAXIM [Maxim Integrated Products]

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ELECTRICAL CHARACTERISTICS (continued)

(VDVDDIO = +5.0V, VAVDD = +3.3V, VDVDD = +2.5V, VREFADC = +3.3V, system clock = 16MHz. TA = TMIN to TMAX, unless otherwise

noted. Typical values are at TA = +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, DVDD 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 VDVDD is below this

threshold

2.1

2.25

V

DVDD Interrupt Threshold

Generates an interrupt if VDVDD 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 VAVDD falls

below this threshold

3.0

3.15

V

DVDDIO Interrupt Threshold

Generates an interrupt if VDVDDIO

falls below this threshold

4.5

4.75

V

DVDD

1

2.75

AVDD

1

3.6

Operational Range

DVDDIO

1

5.25

V

Supervisor Hysteresis

±0.7

%

CAN INTERFACE

CAN Baud Rate

fCANCLK = 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

%

Microcontroller with 12-Bit ADC,

PGA, 64KB Flash, and CAN Interface

_______________________________________________________________________________________

5

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