DAC5686 Datasheet, PDF (8/46 Pages) Texas Instruments – 16-BIT, 500-MSPS, 2X16X INTERPOLATING DUAL-CHANNEL DIGITAL-TO-ANALOG CONVERTER

DAC5686
SLWS147B – APRIL 2003 – REVISED AUGUST 2004
www.ti.com
ELECTRICAL CHARACTERISTICS (DC SPECIFICATIONS) (continued)
over operating free-air temperature range, AVDD = 3.3 V, CLKVDD = 3.3 V, PLLVDD = 3.3 V, IOVDD = 3.3 V,
DVDD = 1.8 V, IOUT_FS = 20 mA (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
I_AVDD
Sleep mode, AVDD supply current
1
I_DVDD
Sleep mode, DVDD supply current
4
I_CLKVDD Sleep mode, CLKVDD supply
current
Sleep mode
2
I_PLLVDD Sleep mode, PLLVDD supply
0.5
current
I_IOVDD
Sleep mode, IOVDD supply current
Mode 1⁽⁶⁾ AVDD = 3.3 V,
DVDD = 1.8 V
0.25
215
Mode 2⁽⁷⁾ AVDD = 3.3 V,
DVDD = 1.8 V
495
Mode 5⁽⁸⁾ AVDD = 3.3 V,
DVDD = 1.8 V
445
P_D
Power dissipation
Mode 7⁽⁹⁾ AVDD = 3.3 V,
DVDD = 1.8 V
754
Mode 9⁽¹⁰⁾ AVDD = 3.3 V,
DVDD = 1.8 V
547
Mode 11⁽¹¹⁾ AVDD = 3.3 V,
DVDD = 1.8 V
855
950
APSRR Power supply rejection ratio
–0.2
0.2
DPSRR Power supply rejection ratio
–0.2
0.2
UNIT
mA
mA
mA
mA
mA
mW
%FSR/V
%FSR/V
(6) Mode 1: Dual DAC mode, fully bypassed, F_DAC = 160 MSPS, f_OUT = 20 MHz
(7) Mode 2: Dual DAC mode, 2× interpolation, F_DAC = 320 MSPS, f_OUT = 20 MHz
(8) Mode 5: Quadrature modulation mode, 4× interpolation, fs/4 mixing, F_DAC = 320 MSPS, f_OUT = 100 MHz
(9) Mode 7: Quadrature modulation mode, 4× interpolation, NCO running at 320 MHz, F_DAC = 320 MSPS, f_OUT = 100 MHz
(10) Mode 9: SSB modulation mode, 4× interpolation, fs/4 mixing, F_DAC = 320 MSPS, f_OUT = 100 MHz
(11) Mode 11: SSB modulation mode, 4× interpolation, NCO running at 320 MHz, f_OUT = 100 MHz, maximum operating condition
ELECTRICAL CHARACTERISTICS (AC SPECIFICATIONS)⁽¹⁾
over operating free-air temperature range, AVDD = 3.3 V, CLKVDD = 3.3 V, PLLVDD = 0 V, IOVDD = 3.3 V, DVDD = 1.8 V,
IOUT_FS = 20 mA, external clock mode, differential transformer-coupled output, 50-Ω doubly terminated load (unless otherwise
noted)
PARAMETER
TEST CONDITIONS
Analog Output
f_CLK
Maximum output update rate
t_s(DAC) Output settling time to 0.1% Mid-scale transition
t_pd
Output propagation delay
t_r(IOUT)(2) Output rise time 10% to 90%
t_f(IOUT)(2) Output fall time 90% to 10%
AC Performance—1:1 Impedance-Ratio Transformer
SFDR
Spurious free dynamic range
First Nyquist zone < f_DATA/2, 4× interpolation, dual DAC mode,
f_DATA = 52 MSPS, f_OUT = 14 MHz, T_A = 25°C
First Nyquist zone < f_DATA/2, 4× interpolation, dual DAC mode,
f_DATA = 160 MSPS, f_OUT = 20 MHz, full bypass,T_A = T_MIN to
T_MAX for MIN, 25°C for TYP, IOVDD = 1.8 V for TYP
2× interpolation, dual DAC mode, f_DATA = 160 MSPS, f_OUT =
41 MHz, T_A = 25°C, IOVDD = 1.8 V
2× interpolation, dual DAC mode, f_DATA = 160 MSPS, f_OUT =
61 MHz, T_A = 25°C, IOVDD = 1.8 V
MIN TYP MAX UNIT
500
12
2.5
2.5
2.5
MSPS
ns
ns
ns
ns
89
68
79
dBc
72
68
(1) Specifications subject to change without notice
(2) Measured single-ended into 50-Ω load
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