TLV571

2.7 V TO 5.5 V, 1-CHANNEL, 8-BIT,

PARALLEL ANALOG-TO-DIGITAL CONVERTER

SLAS239A – SEPTEMBER 1999 – REVISED FEBRUARY 2000

18

POST OFFICE BOX 655303

electrical characteristics over recommended operating free-air temperature range, supply

voltages, and reference voltages (unless otherwise noted) (continued)

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

Signal to noise ratio SNR

fI = 100 kHz,

fs = 1.25 MSPS, AVDD = 5 V

47

49

dB

Signal-to-noise ratio, SNR

I

,

80% of FS

fs = 625 KSPS, AVDD = 3 V

47

49

dB

Signal to noise ratio + distortion SINAD

fI = 100 kHz,

fs = 1.25 MSPS, AVDD = 5 V

47

49

dB

Signal-to-noise ratio + distortion, SINAD

I

,

80% of FS

fs = 625 KSPS, AVDD = 3 V

47

49

dB

Total harmonic distortion THD

fI = 100 kHz,

fs = 1.25 MSPS, AVDD = 5 V

–64

–52

dB

Total harmonic distortion, THD

I

,

80% of FS

fs = 625 KSPS, AVDD = 3 V

–62

–52

dB

Effective number of bits ENOB

fI = 100 kHz,

fs = 1.25 MSPS, AVDD = 5 V

7.5

7.9

Bits

Effective number of bits, ENOB

I

,

80% of FS

fs = 625 KSPS, AVDD = 3 V

7.5

7.9

Bits

Spurious free dynamic range SFDR

fI = 100 kHz,

fs = 1.25 MSPS, AVDD = 5 V

–65

–51

dB

Spurious free dynamic range, SFDR

I

,

80% of FS

fs = 625 KSPS, AVDD = 3 V

–64

–51

dB

Analog input

Full power bandwidth

–1 dB

Full-scale 0 dB input sine wave

12

18

MHz

Full-power bandwidth

–3 dB

Full-scale 0 dB input sine wave

30

MHz

Small-signal bandwidth

–1 dB

–20 dB input sine wave

15

20

MHz

Small-signal bandwidth

–3 dB

–20 dB input sine wave

35

MHz

Sampling rate fs

AVDD = 4.5 V to 5.5 V

0.0625

1.25

MSPS

Sam ling rate, fs

AVDD = 2.7 V to 3.3 V

0.0625

0.625

MSPS