Datasheet ADG7421F (Analog Devices) - 4

Data Sheet
ADG7421F SPECIFICATIONS Table 2. Parameter +25°C −40°C to +85°C −40°C to +125°C Unit Test Conditions/Comments
Output Voltage Low, VOL 0.4 V max Fault flag current (IFF) = 2 mA DYNAMIC CHARACTERISTICS On Time, tON 4.2 µs typ Load resistance (RL) = 300 Ω, load capacitance (CL) = 35 pF, VS = 3 V 5.2 5.3 5.3 µs max Off Time, tOFF 150 ns typ RL = 300 Ω, CL = 35 pF, VS = 3 V 180 180 180 ns max Break-Before-Make Time Delay, tD 3.5 µs typ RL = 300 Ω, CL = 35 pF, VS = 3 V 2.8 µs min Overvoltage Response Time, tRESPONSE Positive 1.2 µs typ RL = 1 kΩ, CL = 5 pF 1.5 1.6 1.6 µs max Negative 1.5 µs typ Pull-up resistor (RPULLUP) = 1 kΩ, CL = 5 pF 1.8 1.9 2 µs max Overvoltage Recovery Time, tRECOVERY 7.6 µs typ RL = 1 kΩ, CL = 5 pF 9.5 10 10.3 µs max Interrupt Flag Response Time, tDIGRESP 500 ns typ RPULLUP = 1 kΩ, CL = 12 pF, pull-up voltage (VPULL_UP) = 5 V 650 650 650 ns max Interrupt Flag Recovery Time, tDIGREC 1.2 µs typ RPULLUP = 1 kΩ, CL = 12 pF, VPULL_UP = 5 V 1.5 1.5 1.5 µs max Charge Injection, QINJ −45 pC typ VS = 2.5 V, source resistor (RS) = 0 Ω, CL = 1 nF Off Isolation −65 dB typ RL = 50 Ω, CL = 5 pF, frequency (f) = 1 MHz Channel to Channel Crosstalk −68 dB typ RL = 50 Ω, CL = 5 pF, f = 1 MHz Total Harmonic Distortion Plus Noise, THD + N −101 dB typ RL = 10 kΩ, VS = 3 V p-p, f = 20 Hz to 20 kHz 0.009 % typ Total Harmonic Distortion, THD −132 dB typ RL = 10 kΩ, VS = 3 V p-p, f = 1 kHz −125 dB typ RL = 10 kΩ, VS = 3 V p-p, f = 20 kHz −112 dB typ RL = 10 kΩ, VS = 3 V p-p, f = 100 kHz −3 dB Bandwidth 580 MHz typ RL = 50 Ω, CL = 5 pF Insertion Loss −0.92 dB typ RL = 50 Ω, CL = 5 pF, f = 1 MHz Source Off Capacitance, CS (Off) 11 pF typ VS = 2.5 V, f = 1 MHz Drain Off Capacitance, CD (Off) 11 pF typ VS = 2.5 V, f = 1 MHz Drain On Capacitance and Source On 13 pF typ VS = 2.5 V, f = 1 MHz Capacitance, CD (On) and CS (On) Drain On Capacitance and Source On 1.6 pF typ VS = 0.1 V to 3.95 V, f = 1 MHz Capacitance Flatness, CDFLAT (On) and CSFLAT (On) Capacitance Matching, CMATCH (On) 0.2 pF typ VS = 0.1 V to 3.95 V, f = 1 MHz POWER REQUIREMENTS VDD = 5.5 V, VSS = 0 V, GND = 0 V, digital inputs = VDD or GND Normal Mode Positive Supply Current, IDD 850 µA typ 1100 1100 µA max GND Current, IGND 745 µA typ 950 950 µA max Negative Supply Current, ISS 105 µA typ 150 150 µA max Fault Mode VS = ±60 V
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Document Outline Features Applications Companion Products Functional Block Diagram General Description Product Highlights Specifications 5 V Single Supply 3 V Single Supply 1.8 V Single Supply ±2.5 V Dual Supply Continuous Current per Channel, Sx or Dx, Two Channels On Absolute Maximum Ratings Thermal Resistance Electrostatic Discharge (ESD) Ratings ESD Ratings for ADG7421F ESD Caution Pin Configuration and Function Descriptions Typical Performance Characteristics Test Circuits Terminology IDD ISS VD, VS RON RFLAT (ON) IS (Off) ID (Off) ID (On), IS (On) VINL VINH IINL, IINH CD (Off) CS (Off) CD (On), CS (On) CIN tON tOFF tDIGRESP tDIGREC tRESPONSE tRECOVERY Off Isolation Charge Injection −3 dB Bandwidth On Response Insertion Loss THD + N AC Power Supply Rejection Ratio (AC PSRR) VT Theory of Operation Switch Architecture ESD Performance Trench Isolation Overvoltage Fault Protection Power-On Protection Power-Off Protection Overvoltage Interrupt Flag Applications Information Power Supply Rails Power Supply Recommendations Power Supply Sequencing Protection Signal Range Intelligent Fault Detection Short Duration Fault Current Thermocouple Input Protection RTD Input Protection Switches in a Known State High Voltage Suppression Outline Dimensions Ordering Guide