Data Sheet AD9704/AD9705/AD9706/AD9707
Rev. D | Page 9 of 42
AD9707 AD9706 AD9705 AD9704
Parameter Min Typ Max Min Typ Max Min Typ Max Min Typ Max Unit
Ratio (AVDD)
6
FSR/V
OPERATING RANGE −40 +85 −40 +85 −40 +85 −40 +85 °C
1
Measured at IOUTA, driving a virtual ground.
2
Nominal full-scale current, I
OUTFS
, is 32 × the I
REF
current.
3
Use an external buffer amplifier with an input bias current <100 nA to drive any external load.
4
Measured at I
OUTFS
= 1 mA.
5
Measured at f
CLOCK
= 80 MSPS and f
OUT
= 1 MHz, using a differential clock.
6
±5% power supply variation.
DYNAMIC SPECIFICATIONS (1.8 V)
T
MIN
to T
MAX
, AVDD = 1.8 V, DVDD = 1.8 V, CLKVDD = 1.8 V, I
OUTFS
= 1 mA, differential transformer coupled output, 453 Ω differentially
terminated unless otherwise noted.
Table 5.
AD9707 AD9706 AD9705 AD9704
Parameter Min Typ Max Min Typ Max Min Typ Max Min Typ Max Unit
DYNAMIC PERFORMANCE
Maximum Output Update Rate, f
CLOCK
125 125 125 125 MSPS
Output Settling Time, t
ST
, (to 0.1%)
1
11 11 11 11 ns
Output Propagation Delay (t
PD
) 5.6 5.6 5.6 5.6 ns
Glitch Impulse 5 5 5 5 pV-s
Output Rise Time (10% to 90%)
1
2.5 2.5 2.5 2.5 ns
Output Fall Time (10% to 90%)
1
2.5 2.5 2.5 2.5 ns
AC LINEARITY
Spurious-Free Dynamic Range to
Nyquist
f
CLOCK
= 10 MSPS; f
OUT
= 2.1 MHz 86 86 85 70 dBc
f
CLOCK
= 25 MSPS; f
OUT
= 2.1 MHz 87 86 84 68 dBc
f
CLOCK
= 25 MSPS; f
OUT
= 5.1 MHz 82 82 82 68 dBc
f
CLOCK
= 65 MSPS; f
OUT
= 10.1 MHz 82 79 78 70 dBc
f
CLOCK
= 65 MSPS; f
OUT
= 15.1 MHz 77 76 74 69 dBc
CLOCK
OUT
f
CLOCK
= 80 MSPS; f
OUT
= 15.1 MHz 77 77 77 68 dBc
f
CLOCK
= 80 MSPS; f
OUT
= 30.1 MHz 60 59 59 60 dBc
Noise Spectral Density
f
CLOCK
= 80 MSPS; f
OUT
= 10 MHz;
I
OUTFS
= 1 mA
−145 −144 −140 −128 dBc/Hz
f
CLOCK
= 80 MSPS; f
OUT
= 10 MHz;
I
OUTFS
= 2 mA
−151 dBc/Hz
1
Measured single-ended into 500 Ω load.