AD9484 Analog Devices, AD9484 Datasheet - Page 10

• Manufacturer Part Number: AD9484
• Description: 8-Bit, 500 MSPS, 1.8 V Analog-to-Digital Converter
• Manufacturer: Analog Devices

Specifications of AD9484

• Resolution (bits): 8bit
• # Chan: 1
• Sample Rate: 500MSPS
• Interface: Par
• Analog Input Type: Diff-Bip
• Ain Range: 1.5 V p-p,Bip 0.75V
• Adc Architecture: Pipelined
• Pkg Type: CSP

TYPICAL PERFORMANCE CHARACTERISTICS
AVDD = 1.8 V, DRVDD = 1.8 V, rated sample rate, T
AD9484
–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
Figure 5. 64k Point Single-Tone FFT; 500 MSPS, 100.3 MHz
Figure 6. 64k Point Single-Tone FFT; 500 MSPS, 140.3 MHz
0
0
0
Figure 4. 64k Point Single-Tone FFT; 500 MSPS, 30.3 MHz
0
0
0
20
20
20
40
40
40
60
60
60
80 100 120 140 160 180
80 100 120 140 160 180
80 100 120 140 160 180
FREQUENCY (MHz)
FREQUENCY (MHz)
FREQUENCY (MHz)
500MSPS
30.3MHz AT –1.0dBFS
SNR: 46.0dB
ENOB: 7.5 BITS
SFDR: 82dBc
500MSPS
100.3MHz AT –1.0dBFS
SNR: 46.0dB
ENOB: 7.5 BITS
SFDR: 83dBc
500MSPS
140.3MHz AT –1.0dBFS
SNR: 46.0dB
ENOB: 7.5 BITS
SFDR: 82dBc
200 220 240
200 220 240
200 220 240
A
= 25°C, 1.5 V p-p differential input, AIN = −1 dBFS, unless otherwise noted.
Rev. A | Page 10 of 24
Figure 9. Single-Tone SNR/SFDR vs. Input Frequency (f
–100
–100
–10
–20
–30
–40
–50
–60
–70
–80
–90
–10
–20
–30
–40
–50
–60
–70
–80
–90
85
80
75
70
65
60
55
50
45
40
Figure 7. 64k Point Single-Tone FFT; 500 MSPS, 270.3 MHz
Figure 8. 64k Point Single-Tone FFT; 500 MSPS, 450.3 MHz
0
0
0
0
0
20
20
500MSPS
270.3MHz AT –1.0dBFS
SNR: 46.0dB
ENOB: 7.5 BITS
SFDR: 79dBc
SNR (dBFS), T
SNR (dBFS), T
SNR (dBFS), T
40
40
SFDR (dBc), T
100
ANALOG INPUT FREQUECY (MHz)
60
60
80 100 120 140 160 180
80 100 120 140 160 180
A
A
A
FREQUENCY (MHz)
FREQUENCY (MHz)
= –40°C
= +25°C
= +85°C
200
A
500 MSPS
= +85°C
SFDR (dBc), T
300
SFDR (dBc), T
500MSPS
450.3MHz AT –1.0dBFS
SNR: 45.9dB
ENOB: 7.5 BITS
SFDR: 70dBc
A
= –40°C
IN
400
) and Temperature;
200 220 240
200 220 240
A
= +25°C
500