THS5651A

10BIT, 125 MSPS, CommsDAC

DIGITALTOANALOG CONVERTER

SLAS260A − FEBRUARY 2000 − REVISED SEPTEMBER 2002

5

POST OFFICE BOX 655303

(unless otherwise noted)

ac specifications

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

Analog output

fCLK

Maximum output update rate

DVDD = 4.5 V to 5.5 V

100

125

MSPS

fCLK

Maximum output update rate

DVDD = 3 V to 3.6 V

70

100

MSPS

ts(DAC)

Output settling time to 0.1%†

35

ns

tpd

Output propagation delay

1

ns

GE

Glitch energy‡

Worst case LSB transition (code 511 − code 512)

5

pV−s

tr(IOUT) Output rise time 10% to 90%†

1

ns

tf(IOUT)

Output fall time 90% to 10%†

1

ns

Output noise

IOUTFS = 20 mA

15

pA/

√HZ

Output noise

IOUTFS = 2 mA

10

pA/

√HZ

AC linearity§

fCLK = 25 MSPS, fOUT = 1 MHz, TA = 25°C

−72

THD

Total harmonic distortion

fCLK = 50 MSPS, fOUT = 1 MHz, TA = −40°C to 85°C

−72

−64

dBc

THD

Total harmonic distortion

fCLK = 50 MSPS, fOUT = 2 MHz, TA = 25°C

−70

dBc

fCLK = 100 MSPS, fOUT = 2 MHz, TA = 25°C

−70

fCLK = 25 MSPS, fOUT = 1 MHz, TA = 25°C

79

fCLK = 50 MSPS, fOUT= 1 MHz, TA = −40°C to 85°C

66

fCLK = 50 MSPS, fOUT = 1 MHz, TA = 25°C

77

Spurious free dynamic range to

fCLK = 50 MSPS, fOUT = 2.51 MHz, TA = 25°C

75

Spurious free dynamic range to

Nyquist

fCLK = 50 MSPS, fOUT = 5.02 MHz, TA = 25°C

71

dBc

SFDR

Nyquist

fCLK = 50 MSPS, fOUT = 20.2 MHz, TA = 25°C

58

dBc

SFDR

fCLK = 100 MSPS, fOUT = 5.04 MHz, TA = 25°C

69

fCLK = 100 MSPS, fOUT = 20.2 MHz, TA = 25°C

61

fCLK = 100 MSPS, fOUT = 40.4 MHz, TA = 25°C

62

Spurious free dynamic range

fCLK = 50 MSPS, fOUT = 1 MHz, TA= 25°C,1 MHz span

82

Spurious free dynamic range

within a window

fCLK = 50 MSPS, fOUT = 5.02 MHz, 2 MHz span

81

dBc

within a window

fCLK = 100 MSPS, fOUT= 5.04 MHz, 4 MHz span

78

dBc

† Measured single ended into 50 Ω load at IOUT1.

‡ Single-ended output IOUT1, 50 Ω doubly terminated load.

§ Measured with a 50%/50% duty cycle (high/low percentage of the clock). Optimum ac linearity is obtained when limiting the duty cycle to a range

from 45%/55% to 55%/45%.