AD9850BRS
Parameter Temp Test Level Min Typ Max Unit
CLOCK INPUT CHARACTERISTICS
Frequency Range
5 V Supply Full IV 1 125 MHz
3.3 V Supply Full IV 1 110 MHz
Pulse Width High/Low
5 V Supply 25°CIV 3.2 ns
3.3 V Supply 25°CIV 4.1 ns
DAC OUTPUT CHARACTERISTICS
Full-Scale Output Current
R
SET
= 3.9 kΩ 25°CV 10.24 mA
R
SET
= 1.95 kΩ 25°CV 20.48 mA
Gain Error 25°CI –10 +10 % FS
Gain Temperature Coefficient Full V 150 ppm/°C
Output Offset 25°CI 10 µA
Output Offset Temperature Coefficient Full V 50 nA/°C
Differential Nonlinearity 25°CI 0.5 0.75 LSB
Integral Nonlinearity 25°CI 0.5 1 LSB
Output Slew Rate (50 Ω, 2 pF Load) 25°CV 400 V/µs
Output Impedance 25°CIV 50120 kΩ
Output Capacitance 25°CIV 8 pF
Voltage Compliance 25°CI 1.5 V
Spurious-Free Dynamic Range (SFDR)
Wideband (Nyquist Bandwidth)
1 MHz Analog Out 25°CIV 6372 dBc
20 MHz Analog Out 25°CIV 5058 dBc
40 MHz Analog Out 25°CIV 4654 dBc
Narrowband
40.13579 MHz ± 50 kHz 25°CIV 80 dBc
40.13579 MHz ± 200 kHz 25°CIV 77 dBc
4.513579 MHz ± 50 kHz/20.5 MHz CLK 25°CIV 84 dBc
4.513579 MHz ± 200 kHz/20.5 MHz CLK 25°CIV 84 dBc
COMPARATOR INPUT CHARACTERISTICS
Input Capacitance 25°CV 3 pF
Input Resistance 25°CIV 500 kΩ
Input Current 25°CI –12 +12 µA
Input Voltage Range 25°CIV 0 V
DD
V
Comparator Offset* Full VI 30 30 mV
COMPARATOR OUTPUT CHARACTERISTICS
Logic 1 Voltage 5 V Supply Full VI 4.8 V
Logic 1 Voltage 3.3 V Supply Full VI 3.1 V
Logic 0 Voltage Full VI 0.4 V
Propagation Delay, 5 V Supply (15 pF Load) 25°CV 5.5 ns
Propagation Delay, 3.3 V Supply (15 pF Load) 25°CV 7 ns
Rise/Fall Time, 5 V Supply (15 pF Load) 25°CV 3 ns
Rise/Fall Time, 3.3 V Supply (15 pF Load) 25°CV 3.5 ns
Output Jitter (p-p) 25°CV 80 ps
CLOCK OUTPUT CHARACTERISTICS
Clock Output Duty Cycle (Clk Gen. Config.) 25°CIV 50 ± 10 %
REV. H
–2–
(V
S
= 5 V ⴞ 5% except as noted, R
SET
= 3.9 k⍀)
AD9850–SPECIFICATIONS
