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DAC08AF Arkusz danych(PDF) 5 Page - NXP Semiconductors |
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DAC08AF Arkusz danych(HTML) 5 Page - NXP Semiconductors |
5 / 12 page Philips Semiconductors Linear Products Product specification DAC08 Series 8-Bit high-speed multiplying D/A converter August 31, 1994 720 AC ELECTRICAL CHARACTERISTICS SYMBOL PARAMETER TEST CONDITIONS DAC08C DAC08E DAC08 DAC08H DAC08A UNIT SYMBOL PARAMETER TEST CONDITIONS Min Typ Max Min Typ Max Min Typ Max UNIT tS Settling time To ± 1/2LSB, all bits switched on or off, TA=25°C 70 135 70 135 70 135 ns Propagation delay tPLH Low-to-High TA=25°C, each bit. ns tPHL High-to-Low All bits switched 35 60 35 60 35 60 TEST CIRCUITS Figure 1. Relative Accuracy Test Circuit CONTROL LOGIC DAC-08 REFERENCE DAC ACCURACY > 0.006% NE5534 ERROR OUTPUT V– V+ – + 16 14 15 5-12 1 2 4 13 3 VREF RREF Rf R15 Figure 2. Transient Response and Settling Time FOR SETTLING TIME MEASUREMENT (ALL BITS SWITCHED LOW TO HIGH) USE RL to GND FOR TURN OFF MEASUREMENT SETTLING TIME TRANSIENT RESPONSE eIN 2.4V 0.4V 1.0V 0 0 -100mV 1.4V RL = 500Ω RL = 50Ω PIN 4 TO GND tS = 70ns TYPICAL TO ±1/2 LSB tPHL = tPLH = 10ns tPHL tPLH CO ≤ 25pF 15pF 51 5 6 7 8 9 10 11 12 3 13 14 15 1 2 4 16 DAC-08 VEE VCC eIN eO 0.1 µF 0.1 µF 1.0k 1.0k 0.1 µF RL +2.0VDC |
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