AD6643-250EBZ Analog Devices, AD6643-250EBZ Datasheet - Page 6

• Manufacturer Part Number: AD6643-250EBZ
• Description: Data Conversion IC Development Tools 11 Bit Dual IF Diversity 3G Receiver
• Manufacturer: Analog Devices
• Type: ADCr
• Series: AD6643r

Specifications of AD6643-250EBZ

• Rohs: yes
• Product: Evaluation Boards
• Tool Is For Evaluation Of: AD6643-250
• Interface Type: SPI, USB
• Operating Supply Voltage: 6 V
• Description/function: 250 MSPs per channel dual IF receiver
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 40 C
• Operating Supply Current: 2 A
• Factory Pack Quantity: 1
• For Use With: HSC-ADC-EVALCZ

AD6643
Parameter
SPURIOUS-FREE DYNAMIC RANGE (SFDR)
WORST OTHER HARMONIC OR SPUR
TWO TONE SFDR
CROSSTALK
FULL POWER BANDWIDTH
1
2
3
DIGITAL SPECIFICATIONS—AD6643-200/AD6643-250
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,
DCS enabled, default SPI, unless otherwise noted.
Table 3.
Parameter
DIFFERENTIAL CLOCK INPUTS (CLK+, CLK−)
SYNC INPUT
For a complete set of definitions, see the
Crosstalk is measured at 100 MHz with −1 dBFS on one channel and with no input on the alternate channel.
Full power bandwidth is the bandwidth for the ADC inputs at which the spectral power of the fundamental frequency is reduced by 3 dB.
Input Capacitance
Input Resistance
Logic Compliance
Internal Bias
Input Voltage Range
Input Voltage Level
f
f
f
f
f
f
f
f
f
f
f
Logic Compliance
Internal Common-Mode Bias
Differential Input Voltage
Input Voltage Range
Input Common-Mode Range
Input Current Level
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
High
Low
High
Low
= 30 MHz
= 90 MHz
= 140 MHz
= 185 MHz
= 220 MHz
= 30 MHz
= 90 MHz
= 140 MHz
= 185 MHz
= 220 MHz
= 184.12 MHz, 187.12 MHz (−7 dBFS)
1
2
3
AN-835
Application Note, Understanding High Speed ADC Testing and Evaluation.
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
Full
25°C
Rev. C | Page 6 of 40
Min
80
Temperature
Full
Full
Full
Full
Full
Full
Full
Full
Full
Full
Full
Full
AD6643-200
Typ
92
91
88
88
84
−94
−94
−95
−94
−93
88
95
1000
Max
−80
Min
0.3
AGND
0.9
10
−22
8
AGND
1.2
AGND
CMOS/LVDS/LVPECL
Min
79
CMOS/LVDS
Typ
4
10
0.9
0.9
AD6643-250
Typ
90
88
86
85
85
−94
−93
−92
−92
−88
88
95
1000
Max
3.6
AVDD
1.4
22
−10
12
AVDD
AVDD
0.6
Data Sheet
Max
−80
Unit
V
V p-p
V
V
µA
µA
pF
kΩ
V
V
V
V
Unit
dBc
dBc
dBc
dBc
dBc
dBc
dBc
dBc
dBc
dBc
dBc
dBc
dBc
dBc
dBc
dB
MHz