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AD5544 Scheda tecnica(PDF) 4 Page - Analog Devices |
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AD5544 Scheda tecnica(HTML) 4 Page - Analog Devices |
4 / 24 page AD5544/AD5554 Data Sheet Rev. G | Page 4 of 24 Parameter Symbol Test Condition/Comments Min Typ Max Unit 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 = 0x0000 to 0xFFFF to 0x0000 0.9 µs Reference Multiplying Bandwidth (BW) BW − 3 dB VREFx = 5 V p-p, data = 0xFFFF, CFB = 2.0 pF, 12 MHz DAC Glitch Impulse Q VREFx = 8 V, data = 0x0000 to 0x8000 to 0x0000 −1 nV-sec Feedthrough Error VOUTx/VREFx Data = 0x0000, VREFx = 100 mV rms, f = 100 kHz −65 dB Crosstalk Error VOUTA/VREFB Data = 0x0000, VREFB = 100 mV rms, adjacent channel, f = 100 kHz −90 dB Digital Feedthrough Q CS = 1, fCLK = 1 MHz 0.6 nV-sec Total Harmonic Distortion THD VREFx = 5 V p-p, data = 0xFFFF, f = 1 kHz −98 dB Output Spot Noise Voltage eN f = 1 kHz, BW = 1 Hz 7 nV/√Hz 1 All static performance tests (except IOUTx) are performed in a closed-loop system using an external precision OP177 I-to-V converter amplifier. The AD5544 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 AD8038 I-to-V converter amplifier. AD5554 ELECTRICAL CHARACTERISTICS VDD = 2.7 V to 5.5 V, VSS = 0 V, IOUTx = virtual GND, AGNDx = 0 V, VREFA = VREFB = VREFC = VREFD = 10 V, TA = full operating temperature range of −40°C to +125°C, unless otherwise noted. Table 2. Parameter Symbol Test Condition/Comments Min Typ Max Unit STATIC PERFORMANCE1 Resolution N 1 LSB = VREFx/214 = 610 µV when VREFx = 10 V 14 Bits Relative Accuracy INL ±0.5 LSB Differential Nonlinearity DNL ±1 LSB Output Leakage Current IOUTx Data = 0x0000, TA = 25°C 10 nA Data = 0x0000, TA = 85°C 20 nA Full-Scale Gain Error GFSE Data = 0x3FFF ±2 ±10 mV Full-Scale Tempco2 TCVFS 1 ppm/°C Feedback Resistor RFBx VDD = 5 V 4 6 8 kΩ REFERENCE INPUT VREFx Range VREFx −15 +15 V Input Resistance RREFx 4 6 8 kΩ Input Resistance Match RREFx Channel-to-channel 1 % Input Capacitance2 CREFx 5 pF ANALOG OUTPUT Output Current IOUTx Data = 0x3FFF 1.25 2.5 mA Output Capacitance2 COUTx Code dependent 80 pF LOGIC INPUT AND OUTPUT Logic Input Low Voltage VIL 0.8 V Logic Input High Voltage VIH 2.4 V Input Leakage Current IIL 1 µA Input Capacitance2 CIL 10 pF Logic Output Low Voltage VOL IOL = 1.6 mA 0.4 V Logic Output High Voltage VOH IOH = 100 µA 4 V 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 |
Codice articolo simile - AD5544_12 |
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Descrizione simile - AD5544_12 |
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