MAX7652CCB datasheet(4/36 Pages) MAXIM

4 / 36 page

Flash Programmable 12-Bit Integrated

Data-Acquisition Systems

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ELECTRICAL CHARACTERISTICS (continued)

(MAX7651: AVDD = VPWMV = DVDD = VREF+ = +4.5V to +5.5V, VREF- = 0, fXTAL = 12MHz. MAX7652: AVDD = VPWMV = DVDD = +2.7V to +3.6V,

VREF+ = +2.5V, VREF- = 0, ACOM = AVDD/2, fXTAL = 12MHz. TA = TMIN to TMAX, unless otherwise noted. Typical values are at TA = +25°C.)

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

EXTERNAL VOLTAGE REFERENCE CHARACTERISTICS (REF+, REF-)

Reference Voltage

Range

VREF+ - VREF-

0AVDD

Reference Input Current

µA

Reference Input

Capacitance

POWER REQUIREMENTS

Analog Supply Current

5mA

MAX7651, during page erase

Digital Supply Current

MAX7652, during page erase

MAX7651

Idle-Mode Digital

Supply Current

MAX7652

Stop-Mode Supply

Current

IAVDD + IDVDD (Note 5)

µA

Analog Power-Supply

Rejection Ratio

PSRR

-40

PWM OUTPUTS

Output Low Voltage

ISINK = 2mA

0.4

Output High Voltage

ISOURCE = 2mA

2.4

FLASH EXTERNAL PROGRAMMING (FIGURE 1, NOTE 6)

Program Pulse Width

tPROGL

10tCK

Program Address and

Data Setup

tASUW

Guaranteed by design

3tCK

MAX7651

7tCK

+ 54000

16tCK

+ 72000

Program Cycle Time

tWRITE

MAX7652

7tCK

+ 54000

32tCK

+ 72000

Verify Address and

Data Set

tADSUR

3tCK

Verify Access Time

tREAD

9tCK

+ 50

Minimum P2.7 Pulse

Width Low

tP27L

10tCK

Minimum P2.7 Pulse

Width High

tP27H

Guaranteed by design

3tCK

Clock Period

tCK

250

FLASH EXTERNAL MASS ERASE (FIGURE 2, NOTE 6)

Erase Mode Setup

tP23SU

3tCK

Program Pulse Width

tERASLOW

10tCK

Erase Cycle Time

tMASSERASE

8.29

MAX7652CCB Datasheet(PDF) 4 Page - Maxim Integrated Products

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