AD9258 Analog Devices, AD9258 Datasheet - Page 7

• Manufacturer Part Number: AD9258
• Description: 14-Bit, 125 MSPS, 1.8 V Dual Analog-to-Digital Converter (ADC)
• Manufacturer: Analog Devices

Specifications of AD9258

• Resolution (bits): 14bit
• # Chan: 2
• Sample Rate: 125MSPS
• Interface: Par
• Analog Input Type: Diff-Bip
• Ain Range: (2Vref) p-p,1 V p-p,2 V p-p
• Adc Architecture: Pipelined
• Pkg Type: CSP

Parameter
WORST OTHER (HARMONIC OR SPUR)
TWO-TONE SFDR WITHOUT DITHER
CROSSTALK
ANALOG INPUT BANDWIDTH
1
2
DIGITAL SPECIFICATIONS
AVDD = 1.8 V, DRVDD = 1.8 V, maximum sample rate, VIN = −1.0 dBFS differential input, 1.0 V internal reference, and DCS enabled, unless
otherwise noted.
Table 3.
Parameter
DIFFERENTIAL CLOCK INPUTS (CLK+, CLK−)
SYNC INPUT
See the
Crosstalk is measured at 100 MHz with −1.0 dBFS on one channel and no input on the alternate channel.
Without Dither
With On-Chip Dither
f
f
Logic Compliance
Internal Common-Mode Bias
Differential Input Voltage
Input Voltage Range
Input Common-Mode Range
High Level Input Current
Low Level Input Current
Input Capacitance
Input Resistance
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
IN
IN
f
f
f
f
f
f
f
f
= 169 MHz (−7 dBFS ),172 MHz (−7 dBFS )
= 29 MHz (−7 dBFS ), 32 MHz (−7 dBFS )
IN
IN
IN
IN
IN
IN
IN
IN
= 2.4 MHz
= 70 MHz
= 140 MHz
= 200 MHz
= 2.4 MHz
= 70 MHz
= 140 MHz
= 200 MHz
AN-835
1
2
Application Note, Understanding High Speed ADC Testing and Evaluation, for a complete set of definitions.
Temp
25°C
25°C
Full
25°C
25°C
25°C
25°C
Full
25°C
25°C
25°C
25°C
Full
25°C
Min
AD9258BCPZ-80
Rev. A | Page 7 of 44
Typ
−100
−100
−97
−95
−109
−105
−106
−102
93
81
−95
650
Temperature
Full
Full
Full
Full
Full
Full
Full
Full
Full
Full
Full
Full
Full
Full
Full
Full
Max
−96
−96
−96
−96
Min
AD9258BCPZ-105
Min
0.3
AGND
0.9
−100
−100
8
AGND
1.2
AGND
−100
−100
12
Typ
−100
−99
−97
−95
−107
−106
−104
−104
92
80
−95
650
Max
−94
−94
−95
−95
CMOS/LVDS/LVPECL
Typ
0.9
4
10
CMOS
0.9
1
16
Min
AD9258BCPZ-125
Max
3.6
AVDD
1.4
+100
+100
12
AVDD
AVDD
0.6
+100
+100
20
Typ
−99
−98
−97
−95
−107
−105
−103
−97
90
82
−95
650
Max
−94
−94
−95
−95
AD9258
Unit
dBc
dBc
dBc
dBc
dBc
dBc
dBc
dBc
dBc
dBc
dBc
dBc
dB
MHz
Unit
V
V p-p
V
V
μA
μA
pF
kΩ
V
V
V
V
μA
μA
pF
kΩ