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ADUM121 Datasheet(PDF) 6 Page - Analog Devices |
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ADUM121 Datasheet(HTML) 6 Page - Analog Devices |
6 / 28 page ADuM5401/ADuM5402/ADuM5403/ADuM5404 Data Sheet Rev. C | Page 6 of 28 ELECTRICAL CHARACTERISTICS—3.3 V PRIMARY INPUT SUPPLY/3.3 V SECONDARY ISOLATED SUPPLY Typical specifications are at TA = 25°C, VDD1 = VISO = 3.3 V, VSEL = GNDISO. Minimum/maximum specifications apply over the entire recommended operation range which is 3.0 V ≤ VDD1, VSEL, VISO ≤ 3.6 V; and −40°C ≤ TA ≤ +105°C, unless otherwise noted. Switching specifications are tested with CL = 15 pF and CMOS signal levels, unless otherwise noted. Table 6. DC-to-DC Converter Static Specifications Parameter Symbol Min Typ Max Unit Test Conditions/Comments DC-TO-DC CONVERTER SUPPLY Setpoint V ISO 3.0 3.3 3.6 V I ISO = 0 mA Line Regulation V ISO (LINE) 1 mV/V I ISO = 30 mA, VDD1 = 3.0 V to 3.6 V Load Regulation V ISO (LOAD) 1 5 % I ISO = 6 mA to 54 mA Output Ripple V ISO (RIP) 50 mV p-p 20 MHz bandwidth, C BO = 0.1 µF||10 µF, IISO = 54 mA Output Noise V ISO (NOISE) 130 mV p-p C BO = 0.1 µF||10 µF, IISO = 54 mA Switching Frequency f OSC 180 MHz PWM Frequency f PWM 625 kHz Output Supply Current I ISO (MAX) 60 mA V ISO > 3 V Efficiency at I ISO (MAX) 33 % I ISO = 60 mA I DD1, No VISO Load I DD1 (Q) 14 20 mA I DD1, Full VISO Load I DD1 (MAX) 175 mA Table 7. DC-to-DC Converter Dynamic Specifications Parameter Symbol 1 Mbps—A or C Grade 25 Mbps—C Grade Unit Test Conditions/Comments Min Typ Max Min Typ Max SUPPLY CURRENT Input I DD1 ADuM5401 14 44 mA No V ISO load ADuM5402 14 46 mA No V ISO load ADuM5403 14 47 mA No V ISO load ADuM5404 14 51 mA No V ISO load Available to Load I ISO (LOAD) ADuM5401 60 52 mA ADuM5402 60 51 mA ADuM5403 60 49 mA ADuM5404 60 48 mA Table 8. Switching Specifications Parameter Symbol A Grade C Grade Unit Test Conditions/Comments Min Typ Max Min Typ Max SWITCHING SPECIFICATIONS Data Rate 1 25 Mbps Within PWD limit Propagation Delay t PHL, tPLH 60 100 45 60 ns 50% input to 50% output Pulse Width Distortion PWD 40 6 ns |t PLH − tPHL| Change vs. Temperature 5 ps/°C Pulse Width PW 1000 40 ns Within PWD limit Propagation Delay Skew t PSK 50 45 ns Between any two units Channel Matching Codirectional1 t PSKCD 50 6 ns Opposing Directional2 t PSKOD 50 15 ns 1 7 Codirectional channel matching is the absolute value of the difference in propagation delays between any two channels with inputs on the same side of the isolation barrier. 2 Opposing directional channel matching is the absolute value of the difference in propagation delays between any two channels with inputs on opposing sides of the isolation barrier. |
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