AD9866 Analog Devices, AD9866 Datasheet - Page 13

• Manufacturer Part Number: AD9866
• Manufacturer: Analog Devices

Specifications of AD9866

• Resolution (bits): 12bit
• # Chan: 1
• Sample Rate: 80MSPS
• Interface: Nibble
• Analog Input Type: Diff-Uni
• Ain Range: 6.3 V p-p,8 mV p-p
• Adc Architecture: Pipelined
• Pkg Type: CSP

Rx PATH TYPICAL PERFORMANCE CHARACTERISTICS
AVDD = CLKVDD = DVDD = DRVDD = 3.3 V, f
RIN = 50 Ω, half- or full-duplex interface, default power bias settings.
with PAR = 11 dB, P
66
63
60
57
54
51
48
45
Figure 10. Spectral Plot with 4K FFT of 111-Carrier DMT Signal
–100
–100
–110
–120
–130
–21
–10
–20
–30
–40
–50
–60
–70
–80
–90
–30
–40
–50
–60
–70
–80
–90
Figure 11. SINAD and THD vs. Input Amplitude and Supply
10
0
0
0
Figure 9. Spectral Plot with 4k FFT of Input Sinusoid
(f
–18
IN
= 8 MHz, LPF f
IN
SINAD @ 3.14V
SINAD @ 3.3V
SINAD @ 3.46V
with RxPGA = 0 dB and P
= −33.7 dBm, LPF's f
–15
10
10
INPUT AMPLITUDE (dBFS)
THD @ 3.14V
THD @ 3.3V
THD @ 3.46V
(0dBFS = 2V p-p)
FREQUENCY (MHz)
FREQUENCY (MHz)
–12
−3 dB
FUND = –1dBFS
SINAD = 62.4dBFS
ENOB = 10.1BITS
SNR = 63.4dBFS
THD = –69.3dBFS
SFDR = –70.5dBc (THIRD HARMONIC)
RBW = 19.53kHz
= 26 MHz; RxPGA = 0 dB)
20
20
–9
−3 dB
IN
= 32 MHz and RxPGA = 36 dB
= 9 dBm
–6
RBW = 19.53kHz
30
30
–3
OSCIN
0
= f
–50
–56
–62
–68
–74
–80
–86
–92
4
4
0
0
ADC
Rev. B | Page 13 of 48
= 80 MSPS, low-pass filter’s f
Figure 14. SINAD/THD Performance vs. RxPGA Gain and Temperature
65
61
59
56
53
50
47
44
41
65
62
59
56
53
50
47
44
41
–55
–60
–65
–70
–75
–80
–85
–6
–6
–6
Figure 12. SINAD/ENOB vs. RxPGA Gain and Frequency
0
Figure 13. THD vs. RxPGA Gain and Frequency
0
0
−3 dB
6
6
6
= 30 MHz, AIN = −1 dBFS,
12
12
THD @ +25°C
THD @ +85°C
THD @ –40°C
12
RxPGA GAIN (dB)
RxPGA GAIN (dB)
(f
RxPGA GAIN (dB)
IN
18
18
= 10 MHz)
18
24
24
24
30
30
30
SINAD @ +25°C
SINAD @ +85°C
SINAD @ –40°C
36
36
36
5MHz
10MHz
15MHz
20MHz
30MHz
42
42
5MHz
10MHz
15MHz
20MHz
30MHz
42
AD9866
48
48
10.5
10.0
9.5
9.0
8.5
8.0
7.5
7.0
6.5
48
–40
–45
–50
–55
–60
–65
–70
–75
–80