AD6643 Analog Devices, AD6643 Datasheet - Page 5

• Manufacturer Part Number: AD6643
• Description: Dual IF Receiver
• Manufacturer: Analog Devices

Data Sheet
ADC AC SPECIFICATIONS
AVDD = 1.8 V, DRVDD = 1.8 V, maximum sample rate, VIN = −1.0 dBFS differential input, 1.75 V p-p full-scale input range, default SPI,
unless otherwise noted.
Table 2.
Parameter
SIGNAL-TO-NOISE-RATIO (SNR)
SIGNAL-TO-NOISE-AND-DISTORTION (SINAD)
WORST SECOND OR THIRD HARMONIC
NSR Disabled
NSR Enabled
f
f
f
f
f
f
f
f
f
f
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
f
f
f
f
f
22% BW Mode
33% BW Mode
= 30 MHz
= 90 MHz
= 140 MHz
= 185 MHz
= 220 MHz
= 30 MHz
= 90 MHz
= 140 MHz
= 185 MHz
= 220 MHz
IN
IN
IN
IN
IN
f
f
f
f
f
f
f
f
f
f
= 30 MHz
= 90 MHz
= 140 MHz
= 185 MHz
= 220 MHz
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
= 30 MHz
= 90 MHz
= 140 MHz
= 185 MHz
= 220 MHz
= 30 MHz
= 90 MHz
= 140 MHz
= 185 MHz
= 220 MHz
1
Temperature
25°C
25°C
Full
25°C
25°C
Full
25°C
25°C
25°C
Full
25°C
25°C
Full
25°C
25°C
25°C
Full
25°C
25°C
Full
25°C
25°C
25°C
Full
25°C
25°C
Full
25°C
25°C
25°C
Full
25°C
25°C
Full
25°C
Rev. A | Page 5 of 36
Min
66.2
74.5
72.0
65.1
AD6643-200
Typ
66.6
66.5
66.4
66.2
66.0
76.1
76.1
75.5
74.7
74.2
76.1
73.6
73.1
72.6
72.1
65.6
65.5
65.3
65.1
64.9
−92
−91
−88
−88
−84
Max
−80
Min
65.3
72.6
70.1
64.3
AD6643-250
Typ
66.4
66.2
66.1
65.9
65.6
74.8
74.5
74.2
73.7
73.4
72.3
72.0
71.7
71.2
70.9
65.4
65.2
65.1
64.9
64.6
−90
−88
−86
−85
−85
Max
−80
AD6643
Unit
dBFS
dBFS
dBFS
dBFS
dBFS
dBFS
dBFS
dBFS
dBFS
dBFS
dBFS
dBFS
dBFS
dBFS
dBFS
dBFS
dBFS
dBFS
dBFS
dBFS
dBFS
dBFS
dBFS
dBFS
dBFS
dBFS
dBFS
dBFS
dBc
dBc
dBc
dBc
dBc
dBc
dBc