ADC082S101

SNAS288D – APRIL 2005 – REVISED MARCH 2013

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ADC082S101 Converter Electrical Characteristics

(1)

The following specifications apply for VA = +2.7V to 5.25V, GND = 0V, fSCLK = 8 MHz to 16 MHz, fSAMPLE = 500 ksps to 1

Msps, CL = 50 pF, unless otherwise noted. Boldface limits apply for TA = TMIN to TMAX: all other limits TA = 25°C.

Limits

Symbol

Parameter

Conditions

Typical

Units

(2)

STATIC CONVERTER CHARACTERISTICS

Resolution with No Missing Codes

8

Bits

INL

Integral Non-Linearity

±0.13

±0.4

LSB (max)

DNL

Differential Non-Linearity

±0.10

±0.4

LSB (max)

VOFF

Offset Error

+0.53

±0.7

LSB (max)

OEM

Channel to Channel Offset Error Match

0.005

±0.3

LSB (max)

FSE

Full-Scale Error

0.52

±0.7

LSB (max)

FSEM

Channel to Channel Full-Scale Error Match

0.005

±0.3

LSB (max)

DYNAMIC CONVERTER CHARACTERISTICS

VA = +2.7V to 5.25V

SINAD

Signal-to-Noise Plus Distortion Ratio

49.6

49.1

dB (min)

fIN = 40.3 kHz, −0.02 dBFS

VA = +2.7V to 5.25V

SNR

Signal-to-Noise Ratio

49.6

49.2

dB (min)

fIN = 40.3 kHz, −0.02 dBFS

VA = +2.7V to 5.25V

THD

Total Harmonic Distortion

−75

−62

dB (max)

fIN = 40.3 kHz, −0.02 dBFS

VA = +2.7V to 5.25V

SFDR

Spurious-Free Dynamic Range

67

63

dB (min)

fIN = 40.3 kHz, −0.02 dBFS

VA = +2.7V to 5.25V

ENOB

Effective Number of Bits

7.9

7.9

Bits (min)

fIN = 40.3 kHz, −0.02 dBFS

VA = +5.25V

Channel-to-Channel Crosstalk

−73

dB

fIN = 40.3 kHz

Intermodulation Distortion, Second Order

VA = +5.25V

−78

dB

Terms

fa = 40.161 kHz, fb = 41.015 kHz

IMD

Intermodulation Distortion, Third Order

VA = +5.25V

−73

dB

Terms

fa = 40.161 kHz, fb = 41.015 kHz

VA = +5V

11

MHz

FPBW

-3 dB Full Power Bandwidth

VA = +3V

8

MHz

ANALOG INPUT CHARACTERISTICS

VIN

Input Range

0 to VA

V

IDCL

DC Leakage Current

±1

µA (max)

Track Mode

33

pF

CINA

Input Capacitance

Hold Mode

3

pF

DIGITAL INPUT CHARACTERISTICS

VA = +5.25V

2.4

V (min)

VIH

Input High Voltage

VA = +3.6V

2.1

V (min)

VIL

Input Low Voltage

0.8

V (max)

IIN

Input Current

VIN = 0V or VA

±10

µA (max)

CIND

Digital Input Capacitance

2

4

pF (max)

DIGITAL OUTPUT CHARACTERISTICS

ISOURCE = 200 µA

VA − 0.03

VA − 0.5

V (min)

VOH

Output High Voltage

ISOURCE = 1mA

VA − 0.1

V

ISINK = 200 µA

0.03

0.4

V (max)

VOL

Output Low Voltage

ISINK = 1 mA

0.1

V

IOZH, IOZL TRI-STATE Leakage Current

±0.01

±1

µA (max)

COUT

TRI-STATE Output Capacitance

2

4

pF (max)

Output Coding

Straight (Natural) Binary

(1)

The min/max specification limits are specified by design, test, or statistical analysis.

(2)

Tested limits are specified to TI's AOQL (Average Outgoing Quality Level).

4

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