MAX7651 데이터 시트보기 (PDF) - Maxim Integrated

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MAX7651

Flash Programmable 12-Bit Integrated Data-Acquisition Systems

Maxim Integrated 

Flash Programmable 12-Bit Integrated

Data-Acquisition Systems

ABSOLUTE MAXIMUM RATINGS

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

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.

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.)

PARAMETER

SYMBOL

CONDITIONS

MIN TYP MAX UNITS

DC ACCURACY

Resolution

RES

12

bits

Differential

Relative Accuracy (Note 1) INL

Single-ended

MAX7651

MAX7652

MAX7651

MAX7652

±1.5

±1.0

LSB

±4.0

±1.5

Differential Nonlinearity

(Note2)

DNL

Differential

Single-ended

±0.5

±1

LSB

±0.5

±1

Offset Error (Note 2)

±2.3

±7

LSB

Offset Temperature

Coefficient

Gain Error (Note 2)

±0.25

LSB/°C

3

%

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))

Signal-to-Noise +

Distortion

SINAD

Differential

Single-ended

71

dB

67

Total Harmonic Distortion

THD

All unaliased harmonics

Differential

Single-ended

-78

dB

-73

Spurious-Free Dynamic

Range

SFDR

Differential

Single-ended

81

dB

79

Channel-to-Channel

Crosstalk

(Note 3)

-85

dB

Small-Signal Bandwidth

Full-Power Bandwidth

-3dB rolloff

1

MHz

1

MHz

2 _______________________________________________________________________________________

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