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AD5544 Datasheet(PDF) 5 Page - Analog Devices |
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AD5544 Datasheet(HTML) 5 Page - Analog Devices |
5 / 20 page AD5544/AD5554 Rev. A | Page 5 of 20 Parameter Symbol Condition Min Typ Max Unit INTERFACE TIMING2, 3 Clock Width High tCH 25 ns Clock Width Low tCL 25 ns CS to Clock Setup tCSS 0 ns Clock to CS Hold tCSH 25 ns Clock to SDO Prop Delay tPD 2 20 ns Load DAC Pulse Width tLDAC 25 ns Data Setup tDS 20 ns Data Hold tDH 20 ns Load Setup tLDS 5 ns Load Hold tLDH 25 ns SUPPLY CHARACTERISTICS Power Supply Range VDD RANGE 4.5 5.5 V Positive Supply Current IDD Logic inputs = 0 V 50 250 µA Negative Supply Current ISS Logic inputs = 0 V, VSS = –5 V 0.001 1 µA Power Dissipation PDISS Logic inputs = 0 V 1.25 mW Power Supply Sensitivity PSS ∆VDD = ±5% 0.006 %/% AC CHARACTERISTICS4 Output Voltage Settling Time tS To ±0.1% of full scale, data = 0000H to 3FFFH to 0000H 1 µs Output Voltage Settling Time tS To ±0.0015% of full scale, data = 0000H to 3FFFH to 0000H 2 µs Reference Multiplying BW BW – 3 dB VREFX = 100 mV rms, data = 3FFFH, CFB = 15 pF 2 MHz DAC Glitch Impulse Q VREFX = 10 V, data 0000H to 2000H to 0000H 12 nV-s Feedthrough Error VOUTX/VREFX Data = 0000H, VREFX = 100 mV rms, f = 100 kHz –65 dB Crosstalk Error VOUTA/VREFB Data = 0000H, VREFB = 100 mV rms, adjacent channel, f = 100 kHz –90 dB Digital Feedthrough Q CS = 1, and fCLK = 1 MHz 5 nV-s Total Harmonic Distortion THD VREF= 5 V p-p, data = 3FFFH, f = 1 kHz –90 dB Output Spot Noise Voltage eN f = 1 kHz, BW = 1 Hz 7 nV√Hz 1 All static performance tests (except IOUT) are performed in a closed-loop system using an external precision OP177 I-to-V converter amplifier. The AD5554 RFB terminal is tied to the amplifier output. Typical values represent average readings measured at 25°C. 2 These parameters are guaranteed by design and not subject to production testing. 3 All input control signals are specified with tR = tF = 2.5 ns (10% to 90% of 3 V) and timed from a voltage level of 1.5 V. 4 All ac characteristic tests are performed in a closed-loop system using an OP42 I-to-V converter amplifier. |
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