ADC104S021

SNAS278H – FEBRUARY 2005 – REVISED MARCH 2013

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ADC104S021/ADC104S021Q Converter Electrical Characteristics

(1) (2)

Symbol

Parameter

Conditions

Typical

Units

STATIC CONVERTER CHARACTERISTICS

Resolution with No Missing Codes

10

Bits

+0.3

LSB (max)

INL

Integral Non-Linearity

±0.13

−0.4

LSB (min)

DNL

Differential Non-Linearity

±0.13

±0.4

LSB (max)

Offset Error

+0.1

±0.4

LSB (max)

OEM

Channel to Channel Offset Error Match

±0.02

±0.5

LSB (max)

FSE

Full-Scale Error

−0.1

±0.7

LSB (max)

Channel to Channel Full-Scale Error

FSEM

+0.02

±0.5

LSB (max)

Match

DYNAMIC CONVERTER CHARACTERISTICS

SINAD

Signal-to-Noise Plus Distortion Ratio

61.8

61

dB (min)

SNR

Signal-to-Noise Ratio

61.8

61.3

dB (min)

THD

Total Harmonic Distortion

−86

−72

dB (max)

SFDR

Spurious-Free Dynamic Range

82

75

dB (min)

ENOB

Effective Number of Bits

9.9

9.8

Bits (min)

Channel-to-Channel Crosstalk

−87

dB

Intermodulation Distortion, Second

−82

dB

Order Terms

IMD

Intermodulation Distortion, Third Order

−81

dB

Terms

11

MHz

FPBW

-3 dB Full Power Bandwidth

8

MHz

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

2.4

V (min)

Input High Voltage

2.1

V (min)

Input Low Voltage

0.8

V (max)

Input Current

±0.1

±10

µA (max)

Digital Input Capacitance

2

4

pF (max)

DIGITAL OUTPUT CHARACTERISTICS

V (min)

Output High Voltage

V

0.03

0.4

V (max)

Output Low Voltage

0.1

V

(1)

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

(2)

PPAP (Production part Approval Process) documentation of the device technology, process and qualification is available from Texas

Instruments upon request.

(3)

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

4

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