Datasheet AD9214 (Analog Devices) - 4

AD9214 DIGITAL SPECIFICATIONS (AVDD = 3 V, DrVDD = 3 V; TMIN = –40
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C, TMAX = +85
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C) Test AD9214-65 AD9214-80 AD9214-105 Parameter Temp Level Min Typ Max Min Typ Max Min Typ Max Unit
DIGITAL INPUTS1 Logic “1” Voltage Full IV 2.0 2.0 2.0 V Logic “0” Voltage Full IV 0.8 0.8 0.8 V Input Capacitance Full V 2.0 2.0 2.0 pF DIGITAL OUTPUTS2 Logic Compatibility CMOS/TTL CMOS/TTL CMOS/TTL V Logic “1” Voltage Full VI DrVDD – 50 mV DrVDD – 50 mV DrVDD – 50 mV V Logic “0” Voltage Full VI 50 50 50 mV NOTES 1Digital Inputs include ENCODE and PWRDN. 2Digital Outputs include D0–D9 and OR. Specifications subject to change without notice.
(AV AC SPECIFICATIONS1 DD = 3 V, DrVDD = 3 V; ENCODE = Maximum Conversion Rate; TMIN = –40
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C, TMAX = +85
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C; external 1.25 V voltage reference used, unless otherwise noted.) Test AD9214-65 AD9214-80 AD9214-105 Parameter Temp Level Min Typ Max Min Typ Max Min Typ Max Unit
SNR Analog Input 10 MHz 25°C I 55.5 58.3 56.0 58.1 51.0 53.0 dB @ –0.5 dBFS 39 MHz 25°C I 57.1 55.0 57.1 50.5 53.0 dB 51 MHz 25°C V 55.0 53.0 dB 70 MHz 25°C V 54.0 52.6 dB SINAD Analog Input 10 MHz 25°C I 55.0 57.8 55.5 57.6 50.0 52.0 dB @ –0.5 dBFS 39 MHz 25°C I 56.7 54.5 56.7 50.0 52.0 dB 51 MHz 25°C V 54.5 52.0 dB 70 MHz 25°C V 52.0 dB EFFECTIVE NUMBER OF BITS Analog Input 10 MHz 25°C I 8.9 9.3 9.0 9.3 8.4 Bit @ –0.5 dBFS 39 MHz 25°C I 9.2 8.8 9.2 8.4 Bit 51 MHz 25°C V 8.8 8.4 Bit 70 MHz 25°C V 8.5 8.4 Bit SECOND HARMONIC DISTORTION Analog Input 10 MHz 25°C I –66 –79 –64 –74 –62 –68 dBc @ –0.5 dBFS 39 MHz 25°C I –75 –63 –76 –62 –71 dBc 51 MHz 25°C V –72 –64 dBc 70 MHz 25°C V –65 –62 dBc THIRD HARMONIC DISTORTION Analog Input 10 MHz 25°C I –63.5 –71 –63 –72 –59 –64 dBc @ –0.5 dBFS 39 MHz 25°C I –70 –63 –74 –59 –67 dBc 51 MHz 25°C V –78 –71 dBc 70 MHz 25°C V –65 dBc SFDR Analog Input 10 MHz 25°C I 63.5 71 63 71 57 62 dBc @ –0.5 dBFS 39 MHz 25°C I 70 63 71 57 62 dBc 51 MHz 25°C V 67 62 dBc 70 MHz 25°C V 64 62 dBc TWO-TONE INTERMOD DISTORTION2 Analog Input @ –0.5 dBFS 25°C V 76 74 72 dBFS ANALOG INPUT BANDWIDTH 25°C V 300 300 300 MHz NOTES 1AC specifications based on a 1.0 V p-p full-scale input range for the AD9214-80 and AD9214-105, and a 2.0 V p-p full-scale input range for the AD9214-65. An external reference is used. 2F1 = 29.3 MHz, F2 = 30.3 MHz. Specifications subject to change without notice. REV. D –3–