Datasheet

AD9215 Data Sheet
Rev. B | Page 4 of 36
AVDD = 3 V, DRVDD = 2.5 V, specified maximum conversion rate, 2 V p-p differential input, 1.0 V internal reference,
AIN = −0.5 dBFS, MODE = AVDD/3 (duty cycle stabilizer [DCS] enabled), unless otherwise noted.
Table 2. AC Specifications
AD9215BRU-65/
AD9215BCP-65
AD9215BRU-80/
AD9215BCP-80
AD9215BRU-105/
AD9215BCP-105
Parameter Temp
Test
Level Min Typ Max Min Typ Max Min Typ Max Unit
SIGNAL-TO-NOISE RATIO (SNR)
f
IN
= 2.4 MHz Full VI 56.0 58.5 56.0 58.5 57.5 dB
25°C I 57.0 59.0 57.0 59.0 56.6 58.5 dB
f
IN
= Nyquist
1
Full VI 56.0 58.0 56.0 58.0 57.5 dB
25°C I 56.5 58.5 56.5 58.5 56.4 58.0 dB
f
IN
= 70 MHz 25°C V 58.0 57.8 dB
f
IN
= 100 MHz 25°C V 57.5 57.7 dB
SIGNAL-TO-NOISE AND DISTORTION (SINAD)
f
IN
= 2.4 MHz Full VI 55.8 58.5 55.7 58.5 57.6 dB
25°C I 56.5 59.0 56.8 58.5 56.5 58.2 dB
f
IN
= Nyquist
1
Full VI 55.8 58.0 55.5 58.0 57.3 dB
25°C I 56.3 58.5 56.3 58.5 56.1 57.8 dB
f
IN
= 70 MHz 25°C V 56.0 57.7 dB
f
IN
= 100 MHz 25°C V 55.5 57.4 dB
EFFECTIVE NUMBER OF BITS (ENOB)
f
IN
= 2.4 MHz Full VI 9.1 9.5 9.0 9.5 9.3 Bits
25°C I 9.2 9.6 9.3 9.5 9.2 9.5 Bits
f
IN
= Nyquist
1
Full VI 9.1 9.4 9.0 9.4 9.4 Bits
25°C I 9.1 9.5 9.0 9.5 9.1 9.4 Bits
f
IN
= 70 MHz 25°C V 9.1 9.4 Bits
f
IN
= 100 MHz 25°C V 9.0 9.3 Bits
WORST HARMONIC (Second or Third)
f
IN
= 2.4 MHz Full VI −78 −64 −78 −64 −78 dBc
25°C I −80 −65 −80 −65 −84 −70 dBc
f
IN
= Nyquist
1
Full VI −77 −64 −76 −63 −74 dBc
25°C I −78 −65 −78 −65 −75 −61 dBc
f
IN
= 70 MHz 25°C V −70 −75 dBc
f
IN
= 100 MHz 25°C V −70 −74 dBc
WORST OTHER (Excluding Second or Third)
f
IN
= 2.4 MHz Full VI −77 −67 −77 −66 −73 dBc
25°C I −78 −68 −77 −68 −75 −66 dBc
f
IN
= Nyquist
1
Full VI −77 −67 −77 −66 −71 dBc
25°C I −78 −68 −77 −68 −75 −63 dBc
f
IN
= 70 MHz 25°C V −80 -75 dBc
f
IN
= 100 MHz 25°C V −80 −75 dBc
TWO-TONE SFDR (AIN = –7 dBFS)
f
IN1
= 70.3 MHz, f
IN2
= 71.3 MHz 25°C V 75 75 dBc
f
IN1
= 100.3 MHz, f
IN2
= 101.3 MHz 25°C V 74 74 dBc
ANALOG BANDWIDTH 25°C V 300 300 300 MHz
1
Tested at f
IN
= 35 MHz for AD9215-65; f
IN
= 39 MHz for AD9215-80; and f
IN
= 50 MHz for AD9215-105.