AD9915 AD [Analog Devices], AD9915 Datasheet - Page 12

• Manufacturer Part Number: AD9915
• Description: 2.5 GSPS Direct Digital Synthesizer with 12-Bit DAC
• Manufacturer: AD [Analog Devices]

TYPICAL PERFORMANCE CHARACTERISTICS
Nominal supply voltage; DAC R
AD9915
–100
–100
–100
–10
–20
–30
–40
–50
–60
–70
–80
–90
–10
–20
–30
–40
–50
–60
–70
–80
–90
–10
–20
–30
–40
–50
–60
–70
–80
–90
0
0
0
START 0Hz
START 0Hz
START 0Hz
SYSCLK = 2.5 GHz (SYSCLK PLL Bypassed)
SYSCLK = 2.5 GHz (SYSCLK PLL Bypassed)
SYSCLK = 3.5 GHz (SYSCLK PLL Bypassed)
Figure 6. Wideband SFDR at 497.5 MHz,
Figure 4. Wideband SFDR at 122.5 MHz
Figure 5. Wideband SFDR at 305.3 MHz
125MHz/DIV
125MHz/DIV
125MHz/DIV
SET
= 3.3 kΩ, T
STOP 1.25GHz
STOP 1.25GHz
STOP 1.25GHz
A
= 25°C, unless otherwise noted.
Rev. A | Page 12 of 48
–100
–100
–100
–10
–20
–30
–40
–50
–60
–70
–80
–90
–10
–20
–30
–40
–50
–60
–70
–80
–90
–10
–20
–30
–40
–50
–60
–70
–80
–90
0
0
0
CENTER 122.499MHz
CENTER 305.357MHz
CENTER 497.499MHz
Figure 7. Narrow-Band SFDR at 122.5 MHz,
Figure 8. Narrow-Band SFDR at 305.3 MHz,
Figure 9. Narrow-Band SFDR at 497.5 MHz,
SYSCLK = 2.5 GHz (SYSCLK PLL Bypassed)
SYSCLK = 2.5 GHz (SYSCLK PLL Bypassed)
SYSCLK = 2.5 GHz (SYSCLK PLL Bypassed)
50kHz/DIV
50kHz/DIV
50kHz/DIV
Data Sheet
SPAN 500kHz
SPAN 500kHz
SPAN 500kHz