Analog Devices AD9640 Evaluation Board AD9640-80EBZ AD9640-80EBZ データシート
製品コード
AD9640-80EBZ
AD9640
Rev. B | Page 7 of 52
ADC AC SPECIFICATIONS—AD9640ABCPZ-80, AD9640BCPZ-80, AD9640ABCPZ-105, AND AD9640BCPZ-105
AVDD = 1.8 V, DVDD = 1.8 V, DRVDD = 3.3 V, maximum sample rate, VIN = −1.0 dBFS differential input, 1.0 V internal reference,
DCS enabled, fast detect outputs disabled, and signal monitor disabled, unless otherwise noted.
DCS enabled, fast detect outputs disabled, and signal monitor disabled, unless otherwise noted.
Table 3.
Parameter
AD9640ABCPZ-80/
AD9640BCPZ-80
AD9640ABCPZ-105/
AD9640BCPZ-105
Unit
Min Typ Max Min Typ Max
SIGNAL-TO-NOISE
RATIO
(SNR)
f
IN
= 2.3 MHz
25°C
72.5
72.3
dB
f
IN
= 70 MHz
25°C
72.1
71.9
dB
Full
70.5
70.2
dB
f
IN
= 140 MHz
25°C
71.6
71.3
dB
f
IN
= 200 MHz
25°C
71.0
70.3
dB
SIGNAL-TO-NOISE
AND
DISTORTION
(SINAD)
f
IN
= 2.3 MHz
25°C
72.2
72.0
dB
f
IN
= 70 MHz
25°C
71.6
71.6
dB
Full
69
69.5
dB
f
IN
= 140 MHz
25°C
71.1
70.9
dB
f
IN
= 200 MHz
25°C
70.4
70.0
dB
EFFECTIVE NUMBER OF BITS (ENOB)
f
IN
= 2.3 MHz
25°C
11.9
11.8
Bits
f
IN
= 70 MHz
25°C
11.8
11.8
Bits
f
IN
= 140 MHz
25°C
11.7
11.7
Bits
f
IN
= 200 MHz
25°C
11.6
11.5
Bits
WORST
SECOND
OR
THIRD
HARMONIC
f
IN
= 2.3 MHz
25°C
−87
−87
dBc
f
IN
= 70 MHz
25°C
−85
−85
dBc
Full
−75
−74
dBc
f
IN
= 140 MHz
25°C
−84
−84
dBc
f
IN
= 200 MHz
25°C
−83
−83
dBc
SPURIOUS-FREE
DYNAMIC
RANGE
(SFDR)
f
IN
= 2.3 MHz
25°C
87
87
dBc
f
IN
= 70 MHz
25°C
85
85
dBc
Full
75
74
dBc
f
IN
= 140 MHz
25°C
84
84
dBc
f
IN
= 200 MHz
25°C
83
83
dBc
WORST OTHER HARMONIC OR SPUR
f
IN
= 2.3 MHz
25°C
−93
−93
dBc
f
IN
= 70 MHz
25°C
−89
−89
dBc
Full
−82
−81
dBc
f
IN
= 140 MHz
25°C
−89
−89
dBc
f
IN
= 200 MHz
25°C
−89
−89
dBc
TWO
TONE
SFDR
f
IN
= 29.1 MHz, 32.1 MHz (−7 dBFS)
25°C
85
85
dBc
f
IN
= 169.1 MHz, 172.1 MHz (−7 dBFS)
25°C
82
82
dBc
CROSSTALK
Full
−95
−95
dB
ANALOG INPUT BANDWIDTH
25°C
650
650
MHz
1
See Application Note AN-835, Understanding High Speed ADC Testing and Evaluation, for a complete set of definitions.
2
Crosstalk is measured at 100 MHz with −1 dBFS on one channel and no input on the alternate channel.