AD9261 Analog Devices, AD9261 Datasheet - Page 4

• Manufacturer Part Number: AD9261
• Description: 16-Bit, 10 MHz Bandwidth, 30 MSPS to 160 MSPS Continuous Time Sigma-Delta ADC
• Manufacturer: Analog Devices

Specifications of AD9261

• Resolution (bits): 16bit
• # Chan: 1
• Sample Rate: 160MSPS
• Interface: Par
• Analog Input Type: Diff-Uni
• Ain Range: 2 V p-p
• Adc Architecture: Sigma-Delta
• Pkg Type: CSP

AD9261
AC SPECIFICATIONS
All power supplies set to 1.8 V, 640 MHz sample rate, 0.5 V internal reference, PLL disabled, 40 MSPS output data rate, AIN = −2.0 dBFS,
unless otherwise noted.
Table 2.
Parameter
SIGNAL-TO-NOISE RATIO (SNR)
EFFECTIVE NUMBER OF BITS (ENOB)
SPURIOUS-FREE DYNAMIC RANGE (SFDR)
NOISE SPECTRAL DENSITY (NSD)
NOISE FIGURE
TWO-TONE SFDR
ANALOG INPUT BANDWIDTH
APERTURE JITTER
1
2
DIGITAL DECIMATION FILTERING CHARACTERISTICS
All power supplies set to 1.8 V, 640 MHz sample rate, 0.5 V internal reference, PLL disabled, AIN = −2.0 dBFS, unless otherwise noted.
Table 3.
Parameter
Pass-Band Transition
Pass-Band Ripple
Stop Band
Stop Band Attenuation
1
See the AN-835 Application Note, Understanding High Speed ADC Testing and Evaluation, for a complete set of definitions.
Noise figure with respect to 50 Ω. AD9261 internal impedance is 1000 Ω differential. See the AN-835 Application Note for a definition.
See the AN-835 Application Note, Understanding High Speed ADC Testing and Evaluation, for a complete set of definitions.
f
f
f
f
f
f
f
f
f
AIN= −2 dBFS
AIN = −40 dBFS
f
f
f
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN1
IN1
IN1
= 2.4 MHz
= 4.2 MHz
= 8.4 MHz
= 2.4 MHz
= 4.2 MHz
= 8.4 MHz
= 2.4 MHz
= 4.2 MHz
= 8.4 MHz
= 2.1 MHz at −8 dBFS, f
= 3.6 MHz at −8 dBFS, f
= 7.2 MHz at −8 dBFS, f
1
1
2
IN2
IN2
IN2
Min
2.5
= 2.4 MHz at −8 dBFS
= 4.2 MHz at −8 dBFS
= 8.4 MHz at −8 dBFS
Typ
<0.1
3.75 MHz − f
>85
2.5 MHz BW
S
/2
Max
3.75
Rev. 0 | Page 4 of 28
Min
5
Typ
<0.1
6.5 MHz − f
>85
5 MHZ BW
Temp
Full
25°C
25°C
25°C
25°C
25°C
Full
25°C
25°C
Full
Full
25°C
25°C
25°C
25°C
25°C
25°C
S
/2
Max
6.5
Min
81
Min
10
Typ
83
83
83
13.5
13.5
13.5
87
87
<120
−155
−156
15
93
92.5
92.5
Typ
<0.1
13 MHz − f
>85
10 MHz BW
Max
80
−153
−154.5
10
1
S
/2
Max
13
Unit
dB
dB
dB
Bits
Bits
Bits
dBc
dBc
dBc
dB/Hz
dB/Hz
dB
dBc
dBc
dBc
MHz
ps rms
Unit
MHz
dB
MHz
dB