Datasheet ADG7421F (Analog Devices) - 3
| Manufacturer | Analog Devices |
| Description | Low Voltage Fault Protection and Detection, 12 Ω RON, Dual SPST Switch |
| Pages / Page | 30 / 3 — ADG7421F. SPECIFICATIONS. Table 1. Operating Supply Voltages. Parameter. … |
| File Format / Size | PDF / 2.0 Mb |
| Document Language | English |
ADG7421F. SPECIFICATIONS. Table 1. Operating Supply Voltages. Parameter. Min. Typ. Max. Unit. 5 V SINGLE SUPPLY. Table 2. +25°C
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ADG7421F SPECIFICATIONS Table 1. Operating Supply Voltages Parameter Min Typ Max Unit
SUPPLY VOLTAGE Dual ±1.8 ±2.5 V Single 1.8 5.5 V
5 V SINGLE SUPPLY
VDD = 5 V ± 10%, VSS = 0 V ± 10%, and GND = 0 V, unless otherwise noted.
Table 2. Parameter +25°C −40°C to +85°C −40°C to +125°C Unit Test Conditions/Comments
ANALOG SWITCH VDD = 4.5 V, VSS = 0 V Analog Signal Range VSS + 0.1 to V VDD − 0.55 On Resistance, RON 12 Ω typ Source voltage (VS) = 0.1 V to 3.95 V, source current (IS) = 10 mA 15 19 23 Ω max On-Resistance Flatness, RFLAT (ON) 0.005 Ω typ VS = 0.1 V to 3.95 V, IS = 10 mA 0.03 0.05 0.1 Ω max On Resistance Matching, RMATCH(ON) 0.01 Ω typ VS = 0.1 V to 3.95 V, IS = 10 mA 0.2 0.5 0.7 Ω max LEAKAGE CURRENTS VDD = 5.5 V, VSS = 0 V Source Off Leakage, IS (Off) ±0.05 nA typ VS = 4.5 V to 1 V, drain voltage (VD) = 1 V to 4.5 V ±0.2 ±1.0 ±14 nA max ±3.5 nA max −40°C to +105°C Drain Off Leakage, ID (Off) ±0.05 nA typ VS = 4.5 V to 1 V, VD = 1 V to 4.5 V ±0.2 ±1.0 ±14 nA max ±3.5 nA max −40°C to +105°C Channel On Leakage, ID (On), IS (On) ±0.05 nA typ VS = VD = 1 V to 4.5 V ±0.3 ±1.5 ±15 nA max ±4.0 nA max −40°C to +105°C FAULT Threshold Voltage, VT 0.1 V typ Source Leakage Current, IS With Overvoltage ±120 µA typ VDD = 5.5 V, VSS = 0 V, GND = 0 V, VS = ±60 V Power Supplies Grounded or Floating ±100 µA typ VDD = 0 V or floating, VSS = 0 V or floating, GND = 0 V, INx = 0 V or floating, VS = ±60 V Drain Leakage Current, ID With Overvoltage ±0.1 nA typ VDD = 5.5 V, VSS = 0 V, GND = 0 V, VS = ±60 V ±0.3 ±2.5 ±30 nA max Power Supplies Grounded ±0.1 nA typ VDD = 0 V, VSS = 0 V, GND = 0 V, VS = ±60 V, INx = 0 V ±0.3 ±2.5 ±30 nA max Power Supplies Floating ±11 µA typ VDD = floating, VSS = floating, GND = 0 V, VS = ±60 V, INx = 0 V DIGITAL INPUTS/OUTPUTS Input Voltage High, VINH 1.3 V min Input Voltage Low, VINL 0.8 V max Input Low or High Current, IINL or IINH 0.7 µA typ Input voltage (VIN) = 0 V or VDD 1 µA max Digital Input Capacitance, CIN 5 pF typ
analog.com Rev. 0 | 3 of 30
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
ADG7421F SPECIFICATIONS Table 1. Operating Supply Voltages Parameter Min Typ Max Unit
SUPPLY VOLTAGE Dual ±1.8 ±2.5 V Single 1.8 5.5 V
5 V SINGLE SUPPLY
VDD = 5 V ± 10%, VSS = 0 V ± 10%, and GND = 0 V, unless otherwise noted.
Table 2. Parameter +25°C −40°C to +85°C −40°C to +125°C Unit Test Conditions/Comments
ANALOG SWITCH VDD = 4.5 V, VSS = 0 V Analog Signal Range VSS + 0.1 to V VDD − 0.55 On Resistance, RON 12 Ω typ Source voltage (VS) = 0.1 V to 3.95 V, source current (IS) = 10 mA 15 19 23 Ω max On-Resistance Flatness, RFLAT (ON) 0.005 Ω typ VS = 0.1 V to 3.95 V, IS = 10 mA 0.03 0.05 0.1 Ω max On Resistance Matching, RMATCH(ON) 0.01 Ω typ VS = 0.1 V to 3.95 V, IS = 10 mA 0.2 0.5 0.7 Ω max LEAKAGE CURRENTS VDD = 5.5 V, VSS = 0 V Source Off Leakage, IS (Off) ±0.05 nA typ VS = 4.5 V to 1 V, drain voltage (VD) = 1 V to 4.5 V ±0.2 ±1.0 ±14 nA max ±3.5 nA max −40°C to +105°C Drain Off Leakage, ID (Off) ±0.05 nA typ VS = 4.5 V to 1 V, VD = 1 V to 4.5 V ±0.2 ±1.0 ±14 nA max ±3.5 nA max −40°C to +105°C Channel On Leakage, ID (On), IS (On) ±0.05 nA typ VS = VD = 1 V to 4.5 V ±0.3 ±1.5 ±15 nA max ±4.0 nA max −40°C to +105°C FAULT Threshold Voltage, VT 0.1 V typ Source Leakage Current, IS With Overvoltage ±120 µA typ VDD = 5.5 V, VSS = 0 V, GND = 0 V, VS = ±60 V Power Supplies Grounded or Floating ±100 µA typ VDD = 0 V or floating, VSS = 0 V or floating, GND = 0 V, INx = 0 V or floating, VS = ±60 V Drain Leakage Current, ID With Overvoltage ±0.1 nA typ VDD = 5.5 V, VSS = 0 V, GND = 0 V, VS = ±60 V ±0.3 ±2.5 ±30 nA max Power Supplies Grounded ±0.1 nA typ VDD = 0 V, VSS = 0 V, GND = 0 V, VS = ±60 V, INx = 0 V ±0.3 ±2.5 ±30 nA max Power Supplies Floating ±11 µA typ VDD = floating, VSS = floating, GND = 0 V, VS = ±60 V, INx = 0 V DIGITAL INPUTS/OUTPUTS Input Voltage High, VINH 1.3 V min Input Voltage Low, VINL 0.8 V max Input Low or High Current, IINL or IINH 0.7 µA typ Input voltage (VIN) = 0 V or VDD 1 µA max Digital Input Capacitance, CIN 5 pF typ
analog.com Rev. 0 | 3 of 30
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
