MAX7652ECB datasheet(2/36 Pages) MAXIM

2 / 36 page

Flash Programmable 12-Bit Integrated

Data-Acquisition Systems

_______________________________________________________________________________________

ABSOLUTE MAXIMUM RATINGS

ELECTRICAL CHARACTERISTICS

(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.)

Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional

operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to

absolute maximum rating conditions for extended periods may affect device reliability.

AVDD, PWMV, DVDD to AGND_ ..............................-0.3V to +6V

AVDD, DVDD to DGND..............................................-0.3V to +6V

AVDD to DVDD .......................................................-0.3V to +0.3V

AGND, PWMG to DGND .......................................-0.3V to +0.3V

Analog Inputs (AIN_, ACOM, XTAL1, XTAL2)

to AGND................................................-0.3V to AVDD_ + 0.3V

Analog Outputs (PWMA, PWMB)

to AGND_..............................................-0.3V to AVDD_ + 0.3V

Digital I/O (A_, AD_, ALE/PROG, EA/VPP, INT0,

INT1, P_._, PSEN, RST) to DGND ..........-0.3V to DVDD + 0.3V

REF+, REF- to AGND_ ..............................-0.3V to AVDD_ + 0.3V

Short-Circuit Duration (PWM_, P_._, ALE/PROG, PSEN)..........1s

Continuous Power Dissipation (TA = +70°C)

64-Pin TQFP (derate 5.00mW/°C above +70°C).........500mW

Operating Temperature Range

MAX765_CCB ....................................................0°C to +70°C

MAX765_ECB .................................................-40°C to +85°C

Junction Temperature ......................................................+150°C

Storage Temperature Range .............................-65°C to +150°C

Lead Temperature (soldering, 10s) .................................+300°C

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

DC ACCURACY

Resolution

RES

bits

MAX7651

±1.5

Differential

MAX7652

±1.0

MAX7651

±4.0

Relative Accuracy (Note 1)

INL

Single-ended

MAX7652

±1.5

LSB

Differential

±0.5

±1

Differential Nonlinearity

(Note2)

DNL

Single-ended

±0.5

±1

LSB

Offset Error (Note 2)

±2.3

±7

LSB

Offset Temperature

Coefficient

±0.25

LSB/

°C

Gain Error (Note 2)

Gain Temperature

Coefficient

±3

ppm/

°C

Channel-to-Channel

Matching (Note 2)

Offset and gain

±0.25

LSB

DYNAMIC SPECIFICATIONS (53ksps, 1kHz SINE-WAVE INPUT, 5Vp-p (MAX7651), 2.5Vp-p (MAX7652))

Differential

Signal-to-Noise +

Distortion

SINAD

Single-ended

Differential

-78

Total Harmonic Distortion

THD

All unaliased harmonics

Single-ended

-73

Differential

Spurious-Free Dynamic

Range

SFDR

Single-ended

Channel-to-Channel

Crosstalk

(Note 3)

-85

Small-Signal Bandwidth

-3dB rolloff

MHz

Full-Power Bandwidth

MHz

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