ADC101S101 datasheet(3/23 Pages) NSC

3 / 23 page

Absolute Maximum Ratings

(Notes 1, 2)

If Military/Aerospace specified devices are required,

please contact the National Semiconductor Sales Office/

Distributors for availability and specifications.

Supply Voltage V

−0.3V to +6.5V

Voltage on Any Analog Pin to GND

−0.3V to V

DD +0.3V

Voltage on Any Digital Pin to GND

-0.3V to 6.5V

Input Current at Any Pin (Note 5)

±10 mA

ESD Susceptibility

Human Body Model

Machine Model

3500V

200V

Soldering Temperature, Infrared,

10 seconds

215˚C

Junction Temperature

+150˚C

Storage Temperature

−65˚C to +150˚C

Soldering process must comply with National

Semiconductor’s Reflow Temperature Profile

specifications. Refer to www.national.com/packaging.

(Note 4)

Operating Ratings (Note 2)

Operating Temperature Range

ADC121S101

ADC101S101 & ADC081S101

−40˚C

≤ T

≤ +125˚C

−40˚C

≤ T

≤ +85˚C

DD Supply Voltage

+2.7V to +5.25V

Digital Input Pins Voltage Range

(Note 6)

+2.7V to +5.25V

Package Thermal Resistance

Package

6-Lead SOT-23

265˚C / W

6-Lead LLP

94˚C / W

ADC121S101 Converter Electrical Characteristics

The following specifications apply for V

DD = +2.7V to 5.25V, fSCLK = 20 MHz, fSAMPLE = 1 MSPS unless otherwise noted. Bold-

face limits apply for T

A = −40˚C to +85˚C: all other limits TA = 25˚C, unless otherwise noted.

Symbol

Parameter

Conditions

Typical

Limits

Units

STATIC CONVERTER CHARACTERISTICS (V

DD = 2.7V to 3.6V)

Resolution with No Missing Codes

−40˚C

≤ T

≤ 125˚C

Bits

INL

Integral Non-Linearity

−40˚C

≤ T

≤ 85˚C

±0.4

±1

LSB (max)

A = 125˚C

-1.1

LSB (min)

LSB (max)

DNL

Differential Non-Linearity

−40˚C

≤ T

≤ 85˚C

+0.5

-0.3

-0.9

LSB (max)

LSB (min)

A = 125˚C

±1

LSB (max)

OFF

Offset Error

−40˚C

≤ T

≤ 125˚C

±0.1

±1.2

LSB (max)

Gain Error

−40˚C

≤ T

≤ 125˚C

±0.2

±1.2

LSB (max)

DYNAMIC CONVERTER CHARACTERISTICS (f

IN = 100 kHz, -0.02 dBFS sine wave unless otherwise noted)

SINAD

Signal-to-Noise Plus Distortion Ratio

−40˚C

≤ T

≤ 125˚C

dB (min)

SNR

Signal-to-Noise Ratio

−40˚C

≤ T

≤ 85˚C

72.5

70.8

dB (min)

A = 125˚C

70.6

dB (min)

THD

Total Harmonic Distortion

-80

SFDR

Spurious-Free Dynamic Range

IMD

Intermodulation Distortion, Second

Order Terms

a = 103.5 kHz, fb = 113.5 kHz

-78

Intermodulation Distortion, Third

Order Terms

a = 103.5 kHz, fb = 113.5 kHz

-78

FPBW

-3 dB Full Power Bandwidth

+5V Supply

MHz

+3V Supply

MHz

POWER SUPPLY CHARACTERISTICS

Supply Voltage

−40˚C

≤ T

≤ 125˚C

2.7

V (min)

5.25

V (max)

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