THS10064

SLAS255B – DECEMBER 1999 – REVISED DECEMBER 2002

www.ti.com

4

ELECTRICAL CHARACTERISTICS

over recommended operating conditions, VREF = internal, fs = 6 MHz, fI = 2 MHz at –1 dBFS (unless otherwise noted)

AC SPECIFICATIONS, AVDD =5 V, BVDD = DVDD = 3.3 V, CL < 30 pF

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

SINAD

Signal to noise ratio + distortion

Differential mode

56

59

dB

SINAD

Signal-to-noise ratio + distortion

Single-ended mode(1)

55

59

dB

SNR

Signal to noise ratio

Differential mode

59

61

dB

SNR

Signal-to-noise ratio

Single-ended mode(1)

58

60

dB

THD

Total harmonic distortion

Differential mode

–64

–61

dB

THD

Total harmonic distortion

Single-ended mode

–63

–60

dB

ENOB

Effective number of bits

Differential mode

9

9.5

Bits

(SNR)

Effective number of bits

Single-ended mode(1)

8.85

9.35

Bits

SFDR

Spurious free dynamic range

Differential mode

61

65

dB

SFDR

Spurious free dynamic range

Single-ended mode

60

64

dB

Analog Input

Full-power bandwidth with a source impedance of 150

Ω in

differential configuration.

Full scale sinewave, –3 dB

96

MHz

Full-power bandwidth with a source impedance of 150

Ω in

single-ended configuration.

Full scale sinewave, –3 dB

54

MHz

Small-signal bandwidth with a source impedance of 150

Ω in

differential configuration.

100 mVpp sinewave, –3 dB

96

MHz

Small-signal bandwidth with a source impedance of 150

Ω in

single-ended configuration.

100 mVpp sinewave, –3 dB

54

MHz

(1) The SNR (ENOB) and SINAD is degraded typically by 2 dB in single-ended mode when the reading of data is asynchronous to the sampling

clock.

AVDD = 5 V, DVDD = BVDD = 3.3 V, VREF = internal, CL < 30 pF

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

td(DATA_AV)

Delay time

5

ns

td(o)

Delay time

5

ns

tpipe

Latency

5

CONV

CLK

(1) See Figure 27.