MAX192BCAP datasheet(2/24 Pages) MAXIM

2 / 24 page

Low-Power, 8-Channel,

Serial 10-Bit ADC

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VDD to AGND........................................................... -0.3V to +6V

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

CH0–CH7 to AGND, DGND ...................... -0.3V to (VDD + 0.3V)

CH0–CH7 Total Input Current.......................................... ±20mA

VREF to AGND .......................................... -0.3V to (VDD + 0.3V)

REFADJ to AGND...................................... -0.3V to (VDD + 0.3V)

Digital Inputs to DGND.............................. -0.3V to (VDD + 0.3V)

Digital Outputs to DGND ........................... -0.3V to (VDD + 0.3V)

Digital Output Sink Current .................................................25mA

Continuous Power Dissipation (TA = +70°C)

Plastic DIP (derate 11.11mW/°C above +70°C) ......... 889mW

SO (derate 10.00mW/°C above +70°C) ...................... 800mW

SSOP (derate 8.00mW/°C above +70°C) ................... 640mW

CERDIP (derate 11.11mW/°C above +70°C) .............. 889mW

Operating Temperature Ranges

MAX192_C_P ..................................................... 0°C to +70°C

MAX192_E_P .................................................. -40°C to +85°C

MAX192_MJP ............................................... -55°C to +125°C

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

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

ELECTRICAL CHARACTERISTICS

(VDD = 5V ±5%, fCLK = 2.0MHz, external clock (50% duty cycle), 15 clocks/conversion cycle (133ksps), 4.7µF capacitor at VREF pin,

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.

ABSOLUTE MAXIMUM RATINGS

MAX192A

-3dB rolloff

65kHz, VIN = 4.096Vp-p (Note 3)

External reference, 4.096V

MAX192B

No missing codes over temperature

External reference, 4.096V

CONDITIONS

kHz

800

Full-Power Bandwidth

MHz

4.5

Small-Signal Bandwidth

-75

Channel-to-Channel Crosstalk

SFDR

Spurious-Free Dynamic Range

-70

THD

Total Harmonic Distortion

(up to the 5th harmonic)

SINAD

Signal-to-Noise + Distortion Ratio

±1/2

Bits

Resolution

LSB

±0.1

Channel-to-Channel

Offset Matching

ppm/°C

±0.8

Gain Temperature Coefficient

LSB

±1

Relative Accuracy (Note 2)

LSB

±1

DNL

Differential Nonlinearity

LSB

±2

Offset Error

LSB

±2

Gain Error

UNITS

MIN

TYP

MAX

SYMBOL

PARAMETER

Internal clock

5.5

Conversion Time (Note 4)

tCONV

External clock, 2MHz, 12 clocks/conversion

µs

Track/Hold Acquisition Time

tAZ

1.5

µs

Aperture Delay

Aperture Jitter

<50

Internal Clock Frequency

1.7

MHz

DC ACCURACY (Note 1)

DYNAMIC SPECIFICATIONS (10kHz sine-wave input, 4.096Vp-p, 133ksps, 2.0MHz external clock)

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