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AD7305 Datasheet(PDF) 2 Page - Analog Devices |
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AD7305 Datasheet(HTML) 2 Page - Analog Devices |
2 / 14 page –2– REV. A AD7304/AD7305–SPECIFICATIONS (@ VDD = +3 V or +5 V, VSS = 0 V; or VDD = +5 V and VSS = –5 V, VSS ≤ VREF ≤ VDD, –40 C < TA < +85 C/+125 C, unless otherwise noted.) Parameter Symbol Condition 3 V 10% 5 V 10% 5 V 10% Units STATIC PERFORMANCE Resolution1 N 8 8 8 Bits Integral Nonlinearity 2 INL ±1 ±1 ±1 LSB max Differential Nonlinearity DNL Monotonic, All Codes 0 to FFH ±1 ±1 ±1 LSB max Zero-Scale Error VZSE Data = 00H 15 15 ±15 mV max Full-Scale Voltage Error VFSE Data = FFH ±4 ±4 ±4 LSB max Full-Scale Tempco 3 TCVFS 55 5 ppm/ °C typ4 REFERENCE INPUT VREFIN Range VREFIN VSS/VDD VSS/VDD VSS/VDD V min/max Input Resistance (AD7304) RREFIN Code = 55H 28 28 28 k Ω typ Input Resistance (AD7305) RREFIN All DACs at Code = 55H 7.5 7.5 7.5 k Ω typ Input Capacitance3 CREFIN 5 5 5 pF typ ANALOG OUTPUTS Output Voltage Range VOUT VSS/VDD VSS/VDD VSS/VDD V min/max Output Current Drive IOUT Code = 80H, ∆V OUT < 1 LSB ±3 ±3 ±3 mA typ Shutdown Resistance ROUT DAC Outputs Placed in Shutdown State 120 120 120 k Ω typ Capacitive Load3 CL No Oscillation 200 200 200 pF typ LOGIC INPUTS Logic Input Low Voltage VIL 0.6 0.8 0.8 V min Logic Input High Voltage VIH 2.1 2.4 2.4 V max Input Leakage Current5 IIL ±10 ±10 ±10 µA max Input Capacitance 3 CIL 8 8 8 pF max AC CHARACTERISTICS3 Output Slew Rate SR Code = 00H to FFH to 00H 1/2.7 1/3.6 1/3.6 V/ µs min/typ Reference Multiplying BW Small Signal, VSS = –5 V 2.6 MHz typ Total Harmonic Distortion THD VREF = 4 V p-p, VSS = –5 V, f = 1 kHz 0.025 % Settling Time6 tS To ±0.1% of Full Scale 1.1/2 1.0/2 1.0/2 µs typ/max Shutdown Recovery Time tSDR To ±0.1% of Full Scale 2 2 2 µs max Time to Shutdown tSDN 15 15 15 µs typ DAC Glitch Q 15 15 15 nVs typ Digital Feedthrough Q 2 2 2 nVs typ Feedthrough VOUT/VREF Code = 00H, VREF =1 V p-p, f = 100 kHz –65 dB SUPPLY CHARACTERISTICS Positive Supply Current IDD VLOGIC = 0 V or VDD, No Load 6 6 6 mA max Negative Supply Current ISS VSS = –5 V 6 mA max Power Dissipation PDISS VLOGIC = 0 V or VDD, No Load 15 30 60 mW max Power Down IDD_SD SDI/SHDN = Floating 40 40 40 µA typ Power Supply Sensitivity PSS ∆V DD = ±10% 0.004 0.004 0.004 %/% NOTES 1One LSB = V REF/256. 2The first three codes (00 H, 01H, 10H) are excluded from the integral nonlinearity error measurement in single supply operation +3 V or +5 V. 3These parameters are guaranteed by design and not subject to production testing. 4Typicals represent average readings measured at +25 °C. 5SDI/SHDN and A0/SHDN pins have 30 µA maximum I IL input leakage current. 6The settling time specification does not apply for negative going transitions within the last 3 LSBs of ground in single supply operation. Specifications subject to change without notice. VOUT = 10V p-p 5V 0V –5V 5V 0V –5V (OUT) (IN) VREF = 10V p-p f = 20kHz Figure 1. AD7304/AD7305 Rail-to-Rail Reference Input to Output at 20 kHz |
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