THS5651A_09 Datasheet, PDF (5/33 Pages) Texas Instruments – 10-BIT, 125 MSPS, CommsDAC DIGITAL-TO-ANALOG CONVERTER

THS5651A
10ĆBIT, 125 MSPS, CommsDAC
DIGITALĆTOĆANALOG CONVERTER
SLAS260A − FEBRUARY 2000 − REVISED SEPTEMBER 2002
electrical characteristics over recommended operating free-air temperature range, AV_DD = 5 V,
DV_DD = 5 V, IOUT_FS = 20 mA, differential transformer coupled output, 50 Ω doubly terminated load
(unless otherwise noted)
ac specifications
PARAMETER
TEST CONDITIONS
MIN TYP MAX UNIT
Analog output
fCLK
Maximum output update rate
ts(DAC)
tpd
GE
tr(IOUT)
tf(IOUT)
Output settling time to 0.1%†
Output propagation delay
Glitch energy‡
Output rise time 10% to 90%†
Output fall time 90% to 10%†
Output noise
AC linearity§
DVDD = 4.5 V to 5.5 V
DVDD = 3 V to 3.6 V
Worst case LSB transition (code 511 − code 512)
IOUTFS = 20 mA
IOUTFS = 2 mA
100 125
70 100
35
1
5
1
1
15
10
MSPS
ns
ns
pV−s
ns
ns
pA/√HZ
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
fCLK = 50 MSPS, fOUT = 2 MHz, TA = 25°C
−72 −64
dBc
−70
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
SFDR
Spurious free dynamic range to
Nyquist
fCLK = 50 MSPS, fOUT = 2.51 MHz, TA = 25°C
fCLK = 50 MSPS, fOUT = 5.02 MHz, TA = 25°C
fCLK = 50 MSPS, fOUT = 20.2 MHz, TA = 25°C
fCLK = 100 MSPS, fOUT = 5.04 MHz, TA = 25°C
75
71
dBc
58
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
within a window
fCLK = 50 MSPS, fOUT = 1 MHz, TA= 25°C,1 MHz span
fCLK = 50 MSPS, fOUT = 5.02 MHz, 2 MHz span
82
81
dBc
fCLK = 100 MSPS, fOUT= 5.04 MHz, 4 MHz span
78
† _{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%.
• POST OFFICE BOX 655303 DALLAS, TEXAS 75265
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