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AD6645 Datasheet(PDF) 3 Page - Analog Devices |
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AD6645 Datasheet(HTML) 3 Page - Analog Devices |
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3 / 20 page  REV. 0 –3– AD6645 AC SPECIFICATIONS1 AD6645ASQ-80 Parameter (Conditions) Temp Test Level Min Typ Max Unit SNR Analog Input 15.5 MHz 25 ∞CV 75.0 dB @ –1 dBFS 30.5 MHz 25 ∞CII 72.5 74.5 dB 70.0 MHz 25 ∞CII 72.0 73.5 dB 150.0 MHz 25 ∞CV 73.0 dB 200.0 MHz 25 ∞CV 72.0 dB SINAD Analog Input 15.5 MHz 25 ∞CV 75.0 dB @ –1 dBFS 30.5 MHz 25 ∞CII 72.5 74.5 dB 70.0 MHz 25 ∞CV 73.0 dB 150.0 MHz 25 ∞CV 68.5 dB 200.0 MHz 25 ∞CV 62.5 dB WORST HARMONIC (2 nd or 3rd) Analog Input 15.5 MHz 25 ∞CV 93.0 dBc @ –1 dBFS 30.5 MHz 25 ∞CII 85.0 93.0 dBc 70.0 MHz 25 ∞CV 89.0 dBc 150.0 MHz 25 ∞CV 70.0 dBc 200.0 MHz 25 ∞CV 63.5 dBc WORST HARMONIC (4th or HIGHER) Analog Input 15.5 MHz 25 ∞CV 96.0 dBc @ –1 dBFS 30.5 MHz 25 ∞CII 85.0 95.0 dBc 70.0 MHz 25 ∞CV 90.0 dBc 150.0 MHz 25 ∞CV 90.0 dBc 200.0 MHz 25 ∞CV 88.0 dBc TWO TONE SFDR @ 30.5 MHz 2, 3 25 ∞CV 100 dBFS 55.0 MHz 2, 4 25 ∞CV 100 dBFS TWO TONE IMD REJECTION 3, 4 F1, F2 @ –7 dBFS 25 ∞CV 90 dBc ANALOG INPUT BANDWIDTH 25 ∞CV 270 MHz NOTES 1All ac specifications tested by driving ENCODE and ENCODE differentially. 2Analog input signal power swept from –10 dBFS to –100 dBFS. 3F1 = 30.5 MHz, F2 = 31.5 MHz. 4F1 = 55.25 MHz, F2 = 56.25 MHz. Specifications subject to change without notice. SWITCHING SPECIFICATIONS AD6645ASQ-80 Parameter (Conditions) Temp Test Level Min Typ Max Unit Maximum Conversion Rate Full II 80 MSPS Minimum Conversion Rate Full IV 30 MSPS ENCODE Pulsewidth High (tENCH)* Full IV 5.625 ns ENCODE Pulsewidth Low (tENCL)* Full IV 5.625 ns *Several timing parameters are a function of tENCL and tENCH. Specifications subject to change without notice. (AVCC = 5 V, DVCC = 3.3 V; ENCODE and ENCODE = 80 MSPS; TMIN = –40 C, TMAX = +85 C, unless otherwise noted.) (AVCC = 5 V, DVCC = 3.3 V; ENCODE and ENCODE = 80 MSPS; TMIN = –40 C, TMAX = +85 C, unless otherwise noted.) |
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