Overview
The ADG451BRZ is a monolithic CMOS device produced by Analog Devices Inc., comprising four independently selectable single-pole single-throw (SPST) switches. It is designed on an enhanced LC²MOS process, which provides low power dissipation, high switching speed, and low on resistance. This device is ideal for applications requiring low power consumption and high signal integrity, making it suitable for use in portable and battery-powered instruments.
Key Specifications
| Parameter | Value | Conditions |
|---|---|---|
| On Resistance (RON) | 4 Ω (typ), 12 Ω (max) | VD = −10V to +10V, IS = −10mA, VDD = 15V, 25°C |
| On Resistance Flatness | 0.2 Ω (typ) | VD = −5V, 0 V, +5V, IS = −10mA, VDD = 15V, 25°C |
| On Resistance Match Between Channels | 0.1 Ω (typ) | VD = ±10 V, IS = −10mA, VDD = 15V, 25°C |
| Charge Injection | 20 pC (typ) | VS = 0 V, RS = 0 Ω, CL = 1.0 nF, VDD = 15V |
| Input High Voltage (VINH) | 2.4 V (min) | |
| Input Low Voltage (VINL) | 0.8 V (max) | |
| Input Current (IINL or IINH) | 0.005 μA (typ), ±0.5 μA (max) | VIN = VINL or VINH |
| Turn-On Time (tON) | 100 ns (typ), 220 ns (max) | RL = 300 Ω, CL = 35 pF, VS = 8 V |
| Turn-Off Time (tOFF) | 80 ns (typ), 200 ns (max) | RL = 300 Ω, CL = 35 pF, VS = 8 V |
| Break-Before-Make Time Delay (tD) - ADG453 Only | 15 ns (typ), 50 ns (max) | RL = 300 Ω, CL = 35 pF, VS1 = VS2 = 8 V |
| Package | 16-Lead Standard Small Outline Package (SOIC-N) | |
| Operating Temperature Range | −40°C to +85°C |
Key Features
- Four independently selectable SPST switches.
- Low on resistance (RON) of 4 Ω.
- Low power dissipation (18 μW).
- TTL-/CMOS-compatible digital inputs.
- Fully specified at ±5V, 12V, ±15V.
- Flat on resistance profile over the full analog input range.
- Low charge injection for minimum transients.
- Break-before-make switching action for use in multiplexer applications.
- Ultralow power consumption, suitable for portable and battery-powered instruments.
Applications
- Relay replacement.
- Audio and video switching.
- Automatic test equipment.
- Precision data acquisition.
- Battery-powered systems.
- Sample-and-hold systems.
- Communication systems.
- PBX, PABX systems.
- Avionic systems.
Q & A
- What is the on resistance of the ADG451BRZ?
The on resistance (RON) of the ADG451BRZ is typically 4 Ω and can be up to 12 Ω under specified conditions.
- What is the operating temperature range of the ADG451BRZ?
The operating temperature range is −40°C to +85°C.
- How many switches does the ADG451BRZ contain?
The ADG451BRZ contains four independently selectable single-pole single-throw (SPST) switches.
- What is the typical turn-on time of the ADG451BRZ?
The typical turn-on time (tON) is 100 ns, with a maximum of 220 ns under specified conditions.
- Is the ADG451BRZ suitable for audio and video switching?
Yes, the ADG451BRZ is suitable for audio and video switching due to its fast switching speed and high signal bandwidth.
- What is the charge injection of the ADG451BRZ?
The charge injection is typically 20 pC under specified conditions.
- What are the input voltage levels for the digital inputs?
The input high voltage (VINH) is 2.4 V (min), and the input low voltage (VINL) is 0.8 V (max).
- Is the ADG451BRZ compatible with TTL and CMOS logic?
Yes, the ADG451BRZ is TTL-/CMOS-compatible.
- What is the power dissipation of the ADG451BRZ?
The power dissipation is typically 18 μW.
- What package types are available for the ADG451BRZ?
The ADG451BRZ is available in a 16-Lead Standard Small Outline Package (SOIC-N).
