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Zakładka z wyszukiwarką danych komponentów |
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AD7396 Arkusz danych(PDF) 2 Page - Analog Devices |
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AD7396 Arkusz danych(HTML) 2 Page - Analog Devices |
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2 / 12 page  –2– REV. 0 AD7396/AD7397–SPECIFICATIONS Parameter Symbol Conditions +3 V 10% +5 V 10% Units STATIC PERFORMANCE Resolution 1 N 12 12 Bits Relative Accuracy 2 INL TA = +25 °C ±1.75 ±1.75 LSB max Relative Accuracy 2 INL TA = –40°C, +85°C ±2.0 ±2.0 LSB max Differential Nonlinearity 2 DNL TA = +25 °C, Monotonic ±0.9 ±0.9 LSB max Differential Nonlinearity 2 DNL Monotonic ±1 ±1 LSB max Zero-Scale Error VZSE Data = 000H, TA = +25°C, +85°C 4.0 4.0 mV max Zero-Scale Error VZSE Data = 000H, TA = –40 °C 8.0 8.0 mV max Full-Scale Voltage Error VFSE TA = +25 °C, +85°C, Data = FFF H ±8 ±8mV max Full-Scale Voltage Error VFSE TA = –40°C, Data = FFFH ±20 ±20 mV max Full-Scale Tempco 3 TCVFS –45 –45 ppm/ °C typ REFERENCE INPUT VREF Range VREF 0/VDD 0/VDD V min/max Input Resistance RREF 2.5 2.5 M Ω typ4 Input Capacitance 3 CREF 55pF typ ANALOG OUTPUT Output Current (Source) IOUT Data = 800H, ∆VOUT = 5 LSB 1 1 mA typ Output Current (Sink) IOUT Data = 800H, ∆V OUT = 5 LSB 3 3 mA typ Capacitive Load 3 CL No Oscillation 100 100 pF typ LOGIC INPUTS Logic Input Low Voltage VIL 0.5 0.8 V max Logic Input High Voltage VIH VDD – 0.6 4.0 V min Input Leakage Current IIL 10 10 µA max Input Capacitance 3 CIL 10 10 pF max INTERFACE TIMING 3, 5 Chip Select Write Width tCS 45 35 ns min DAC Select Setup tAS 30 15 ns min DAC Select Hold tAH 0 0 ns min Data Setup tDS 30 15 ns min Data Hold tDH 20 10 ns min Load Setup tLS 20 20 ns min Load Hold tLH 10 10 ns min Load Pulsewidth tLDW 30 30 ns min Reset Pulsewidth tRSW 40 30 ns min AC CHARACTERISTICS Output Slew Rate SR Data = 000H to FFFH to 000H 0.05 0.05 V/ µs typ Settling Time6 tS To ±0.1% of Full Scale 70 60 µs typ Shutdown Recovery Time tSDR 90 80 µs typ DAC Glitch Q Code 7FFH to 800H to 7FFH 65 65 nV/s typ Digital Feedthrough Q 15 15 nV/s typ Feedthrough VOUT/VREF VREF = 1.5 VDC +1 V p-p, Data = 000H, f = 100 kHz –63 –63 dB typ SUPPLY CHARACTERISTICS Power Supply Range VDD RANGE DNL < ±1 LSB 2.7/5.5 2.7/5.5 V min/max Positive Supply Current IDD VIL = 0 V, No Load 125/200 125/200 µA typ/max Shutdown Supply Current IDD_SD SHDN = 0, V IL = 0 V, No Load 0.1/1.5 0.1/1.5 µA typ/max Power Dissipation PDISS VIL = 0 V, No Load 600 1000 µW max Power Supply Sensitivity PSS ∆V DD = ±5% 0.006 0.006 %/% max NOTES 1One LSB = V REF/4096 V for the 12-bit AD7396. 2The first two codes (000 H, 001H) are excluded from the linearity error measurement. 3These parameters are guaranteed by design and not subject to production testing. 4Typicals represent average readings measured at +25 °C. 5All input control signals are specified with t R = tF = 2 ns (10% to 90% of +3 V) and timed from a voltage level of +1.6 V. 6The settling time specification does not apply for negative going transitions within the last 3 LSBs of ground. Specifications subject to change without notice. AD7396 12-BIT ELECTRICAL CHARACTERISTICS (@ V REF IN = +2.5 V, –40 C < TA < +85 C, unless otherwise noted) |
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