AD9643 Analog Devices, AD9643 Datasheet - Page 6

• Manufacturer Part Number: AD9643
• Description: 14-Bit, 170/210/250 MSPS, 1.8 V Dual Analog-to-Digital Converter (ADC)
• Manufacturer: Analog Devices

Specifications of AD9643

• Resolution (bits): 14bit
• # Chan: 2
• Sample Rate: 250MSPS
• Interface: LVDS,Par
• Analog Input Type: Diff-Bip
• Ain Range: 1.75 V p-p
• Adc Architecture: Pipelined
• Pkg Type: CSP

AD9643
DIGITAL 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, DCS
enabled, unless otherwise noted.
Table 3.
Parameter
DIFFERENTIAL CLOCK INPUTS (CLK+, CLK−)
SYNC INPUT
LOGIC INPUT (CSB)
LOGIC INPUT (SCLK)
LOGIC INPUTS (SDIO)
LOGIC INPUTS (OEB, PDWN)
Input Capacitance
Input Resistance
Logic Compliance
Internal Common-Mode Bias
Differential Input Voltage
Input Voltage Range
Input Common-Mode Range
High Level Input Current
Low Level Input Current
High Level Input Voltage
Low Level Input Voltage
High Level Input Current
Low Level Input Current
Input Resistance
Input Capacitance
High Level Input Voltage
Low Level Input Voltage
High Level Input Current
Low Level Input Current
Input Resistance
Input Capacitance
High Level Input Voltage
Low Level Input Voltage
High Level Input Current
Low Level Input Current
Input Resistance
Input Capacitance
High Level Input Voltage
Low Level Input Voltage
High Level Input Current
Low Level Input Current
Input Resistance
Input Capacitance
Logic Compliance
Internal Bias
Input Voltage Range
High Level Input Voltage
Low Level Input Voltage
High Level Input Current
Low Level Input Current
Input Capacitance
Input Resistance
1
2
1
2
Rev. B | Page 6 of 36
Temp
Full
Full
Full
Full
Full
Full
Full
Full
Full
Full
Full
Full
Full
Full
Full
Full
Full
Full
Full
Full
Full
Full
Full
Full
Full
Full
Full
Full
Full
Full
Full
Full
Full
Full
Full
Full
Full
Full
Full
Full
Min
0.3
AGND
0.9
−10
−22
8
AGND
1.2
AGND
−5
−5
12
1.22
0
−5
−80
1.22
0
45
−5
1.22
0
45
−5
1.22
0
45
−5
CMOS/LVDS/LVPECL
CMOS/LVDS
Typ
0.9
4
10
0.9
1
16
26
2
26
2
26
5
26
5
Max
3.6
AVDD
1.4
+22
−10
12
AVDD
AVDD
0.6
+5
+5
20
2.1
0.6
+5
−45
2.1
0.6
70
+5
2.1
0.6
70
+5
2.1
0.6
70
+5
Data Sheet
Unit
V
V p-p
V
V
μA
μA
pF
kΩ
V
V
V
V
μA
μA
pF
kΩ
V
V
μA
μA
kΩ
pF
V
V
μA
μA
kΩ
pF
V
V
μA
μA
kΩ
pF
V
V
μA
μA
kΩ
pF