MAX1215(2005) 查看數據表（PDF） - Maxim Integrated

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MAX1215
(Rev.:2005)

1.8V, 12-Bit, 250Msps ADC for Broadband Applications

Maxim Integrated 

1.8V, 12-Bit, 250Msps ADC for

Broadband Applications

ABSOLUTE MAXIMUM RATINGS

AVCC to AGND ..................................................... -0.3V to +2.1V

OVCC to OGND .................................................... -0.3V to +2.1V

AVCC to OVCC ...................................................... -0.3V to +2.1V

AGND to OGND ................................................... -0.3V to +0.3V

INP, INN to AGND ....................................-0.3V to (AVCC + 0.3V)

All Digital Inputs to AGND........................-0.3V to (AVCC + 0.3V)

REFIO, REFADJ to AGND ........................-0.3V to (AVCC + 0.3V)

All Digital Outputs to OGND ....................-0.3V to (OVCC + 0.3V)

ESD on All Pins (Human Body Model) .............................±2000V

Thermal Resistance

θjC ...............................................................................0.8°C/W

θjA.................................................................................35°C/W

Operating Temperature Range ...........................-40°C to +85°C

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

Storage Temperature Range ............................-60°C to +150°C

Maximum Current into Any Pin............................................50mA

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

(AVCC = OVCC = 1.8V, AGND = OGND = 0, fSAMPLE = 250MHz, differential sine-wave clock input drive, 0.1µF capacitor on REFIO,

internal reference, digital output pins differential RL = 100Ω ±1%, TA = TMIN to TMAX, unless otherwise noted. Typical values are at

TA = +25°C.) (Note 1)

PARAMETER

SYMBOL

CONDITIONS

MIN TYP MAX UNITS

DC ACCURACY

Resolution

Integral Nonlinearity (Note 2)

Differential Nonlinearity (Note 2)

Transfer Curve Offset

Offset Temperature Drift

INL

DNL

VOS

fIN = 10MHz, TA = +25°C

TA = +25°C, no missing codes

TA = +25°C (Note 2)

12

Bits

-2

±0.85

+2

LSB

-1

±0.5

+1

LSB

-3.5

+3.5

mV

40

µV/°C

ANALOG INPUTS (INP, INN)

Full-Scale Input Voltage Range

VFS

TA = +25°C (Note 2)

1320 1454 1590 mVP-P

Full-Scale Range Temperature

Drift

130

ppm/°C

Common-Mode Input Range

Input Capacitance

Differential Input Resistance

Full-Power Analog Bandwidth

VCM

CIN

RIN

FPBW

Internally self-biased

1.365 ±0.15

2.5

3.0

4.2

6.3

700

V

pF

kΩ

MHz

REFERENCE (REFIO, REFADJ)

Reference Output Voltage

Reference Temperature Drift

VREFIO TA = +25°C, REFADJ = AGND

1.18 1.23 1.30

V

90

ppm/°C

REFADJ Input High Voltage

VREFADJ Used to disable the internal reference

AVCC - 0.3

V

SAMPLING CHARACTERISTICS

Maximum Sampling Rate

Minimum Sampling Rate

Clock Duty Cycle

fSAMPLE

fSAMPLE

Set by clock-management circuit

250

20

40 to 60

MHz

MHz

%

Aperture Delay

Aperture Jitter

tAD

Figures 4, 11

tAJ

Figure 11

620

ps

0.2

psRMS

2 _________________________________________________________________________________________

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