AD6642 Analog Devices, AD6642 Datasheet - Page 5

• Manufacturer Part Number: AD6642
• Description: Dual IF Receiver
• Manufacturer: Analog Devices

AC SPECIFICATIONS
AVDD = 1.8 V, DRVDD = 1.8 V, f
otherwise noted.
Table 2.
Parameter
SIGNAL-TO-NOISE-RATIO (SNR)—NSR DISABLED
SIGNAL-TO-NOISE-RATIO (SNR)—NSR ENABLED
SIGNAL-TO-NOISE-AND DISTORTION (SINAD)
EFFECTIVE NUMBER OF BITS (ENOB)
WORST SECOND OR THIRD HARMONIC
SPURIOUS-FREE DYNAMIC RANGE (SFDR)
WORST OTHER HARMONIC (FOURTH THROUGH EIGHTH)
TWO-TONE SFDR (−7 dBFS)
CROSSTALK
ANALOG INPUT BANDWIDTH
1
2
See the AN-835 Application Note, Understanding High Speed ADC Testing and Evaluation, for a complete set of definitions.
Crosstalk is measured at 155 MHz with −1 dBFS on one channel and no input on the alternate channel.
f
f
f
f
22% BW Mode
33% BW Mode
f
f
f
f
f
f
f
f
f
f
f
f
f
f
f
f
f
f
f
f
f
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN1
= 30 MHz
= 70 MHz
= 170 MHz
= 250 MHz
f
f
f
f
f
f
= 30 MHz
= 70 MHz
= 170 MHz
= 250 MHz
= 30 MHz
= 70 MHz
= 170 MHz
= 250 MHz
= 30 MHz
= 70 MHz
= 170 MHz
= 250 MHz
= 30 MHz
= 70 MHz
= 170 MHz
= 250 MHz
= 30 MHz
= 70 MHz
= 170 MHz
= 250 MHz
IN
IN
IN
IN
IN
IN
= 169 MHz, f
= 70 MHz
= 170 MHz
= 230 MHz
= 70 MHz
= 170 MHz
= 230 MHz
1
2
IN2
= 172 MHz
S
= 185 MSPS, 1.75 V p-p differential input, VIN = −1.0 dBFS differential input, and default SPI, unless
Rev. A | Page 5 of 32
Temperature
25°C
25°C
Full
25°C
25°C
Full
25°C
25°C
Full
25°C
25°C
25°C
Full
25°C
25°C
25°C
Full
25°C
25°C
25°C
Full
25°C
25°C
25°C
Full
25°C
25°C
25°C
Full
25°C
25°C
Full
25°C
Min
65.7
72.8
71.0
64.1
10.3
−72
72
−82
Typ
66.5
66.5
66.1
65.5
75.5
74.4
72.8
73.7
72.6
71.0
65.5
66.3
65.6
64.3
10.6
10.7
10.6
10.3
−90
−83
−78
−80
90
83
78
80
−100
−96
−90
−95
82
95
800
Max
AD6642
Unit
dBFS
dBFS
dBFS
dBFS
dBFS
dBFS
dBFS
dBFS
dBFS
dBFS
dBFS
dBFS
dBFS
dBFS
Bits
Bits
Bits
Bits
dBc
dBc
dBc
dBc
dBc
dBc
dBc
dBc
dBc
dBc
dBc
dB
MHz
dBc
dBc