ADC108S022

SNAS338F – SEPTEMBER 2005 – REVISED MARCH 2013

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ADC108S022 Converter Electrical Characteristics

(1)

= 25°C.

Limits

Symbol

Parameter

Conditions

Typical

Units

(2)

STATIC CONVERTER CHARACTERISTICS

Resolution with No Missing Codes

10

Bits

Integral Non-Linearity (End Point

INL

±0.1

±0.3

LSB (max)

Method)

DNL

Differential Non-Linearity

±0.1

±0.3

LSB (max)

Offset Error

+0.3

±0.7

LSB (max)

OEM

Offset Error Match

±0.05

±0.2

LSB (max)

FSE

Full Scale Error

+0.1

±0.4

LSB (max)

FSEM

Full Scale Error Match

±0.05

±0.2

LSB (max)

DYNAMIC CONVERTER CHARACTERISTICS

FPBW

Full Power Bandwidth (

−3dB)

8

MHz

SINAD

Signal-to-Noise Plus Distortion Ratio

61.8

61.3

dB (min)

SNR

Signal-to-Noise Ratio

61.9

61.4

dB (min)

THD

Total Harmonic Distortion

−86.5

−73.4

dB (max)

SFDR

Spurious-Free Dynamic Range

83.2

76.6

dB (min)

ENOB

Effective Number of Bits

9.98

9.89

Bits (min)

ISO

Channel-to-Channel Isolation

79.8

dB

Intermodulation Distortion, Second

−86.0

dB

Order Terms

IMD

Intermodulation Distortion, Third Order

−82.5

dB

Terms

ANALOG INPUT CHARACTERISTICS

Input Range

V

DC Leakage Current

±1

µA (max)

Track Mode

33

pF

Input Capacitance

Hold Mode

3

pF

DIGITAL INPUT CHARACTERISTICS

2.1

V (min)

Input High Voltage

2.4

V (min)

Input Low Voltage

0.8

V (max)

Input Current

±0.01

±1

µA (max)

Digital Input Capacitance

2

4

pF (max)

DIGITAL OUTPUT CHARACTERISTICS

Output High Voltage

V (min)

Output Low Voltage

0.4

V (max)

Hi-Impedance Output Leakage Current

±1

µA (max)

2

4

pF (max)

Output Coding

Straight (Natural) Binary

2.7

V (min)

Analog and Digital Supply Voltages

5.25

V (max)

(1)

Data sheet min/max specification limits are ensured by design, test, or statistical analysis.

(2)

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

4

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