Datasheet AD7899 (Analog Devices) - 4

AD7899 A B S Parameter Version1 Version1 Version1 Unit Test Conditions/Comments
LOGIC INPUTS Input High Voltage, VINH VDRIVE/2 + 0.4 VDRIVE/2 + 0.4 VDRIVE/2 + 0.4 V min VDD = 5 V ± 5% Input Low Voltage, VINL VDRIVE/2 – 0.4 VDRIVE/2 – 0.4 VDRIVE/2 – 0.4 V max VDD = 5 V ± 5% Input Current, I ± IN 10 ±10 ±10 µA max Input Capacitance, C 4 IN 10 10 10 pF max LOGIC OUTPUTS Output High Voltage, VOH VDRIVE – 0.4 VDRIVE – 0.4 VDRIVE – 0.4 V min ISOURCE = 400 µA Output Low Voltage, VOL 0.4 0.4 0.4 V max ISINK = 1.6 mA DB13–DB0 High Impedance Leakage Current ±10 ±10 ±10 µA max Capacitance4 10 10 10 pF max Output Coding AD7899-1, AD7899-3 Two’s Complement AD7899-2 Straight (Natural) Binary CONVERSION RATE Conversion Time 2.2 2.2 2.2 µs max Track/Hold Acquisition Time2, 3 0.3 0.3 0.3 µs max Throughput Time 400 400 400 kSPS max POWER REQUIREMENTS VDD 5 5 5 V nom IDD Normal Mode 25 25 25 mA max Typically 16 mA Standby Mode 20 20 20 µA max (5 µA typ) Logic Inputs = 0 V or VDD Power Dissipation Normal Mode 125 125 125 mW max Typically 80 mW, VDD = 5 V Standby Mode 100 100 125 µW max NOTES 1 Temperature Ranges are as follows : A, B Versions: –40C to +85C. S Version: –55°C to +125°C. 2 Performance measured through full channel (SHA and ADC). 3 See Terminology. 4Sample tested @ 25°C to ensure compliance. Specifications subject to change without notice. REV. A –3–