Overview
The ADG431BRZ is a high-performance, low-power, quad SPST (single-pole, single-throw) analog switch designed by Analog Devices Inc. It is optimized for use in multiplexed data acquisition systems, programmable-gain amplifier circuits, and other signal conditioning applications. The device is built on an enhanced LC2MOS process, which ensures low power dissipation while providing high switching speed and low on-resistance.
Key Specifications
| Parameter | Value |
|---|---|
| Manufacturer Part Number | ADG431BRZ |
| Manufacturer | Analog Devices, Inc. |
| Number of Circuits | 4 |
| Voltage Supply, Dual (V±) | ±15V |
| Voltage Supply, Single (V+) | 12V |
| Current Leakage (IS(off)) (Max) | 250pA |
| On-State Resistance (Max) | 24Ω |
| Charge Injection | 5pC |
| Channel-to-Channel Matching (ΔRon) | 1.2Ω |
| Switch Circuit | SPST NC |
| Switch Time (Ton, Toff) (Max) | 90ns, 60ns |
| Channel Capacitance (CS(off), CD(off)) | 9pF, 9pF |
| Crosstalk | -85dB @ 1MHz |
| Operating Temperature Range | -40°C to 85°C |
| Package/Case | 16-SOIC |
Key Features
- Quad SPST analog switch with low on-resistance (24Ω max)
- Low charge injection (5pC)
- Fast switching speed (90ns max on, 60ns max off)
- High channel-to-channel matching (1.2Ω)
- Low leakage current (250pA max)
- Low crosstalk (-85dB @ 1MHz)
- Wide supply voltage range (±15V dual supply or 12V single supply)
- Wide operating temperature range (-40°C to 85°C)
- High input impedance and limited power consumption
- Break-before-make switching action for multiplexer applications
- RoHS3 compliant and compact 16-SOIC surface mount package
Applications
- Multiplexed data acquisition systems
- Programmable-gain amplifier circuits
- Signal conditioning applications
Q & A
- What is the ADG431BRZ used for?
The ADG431BRZ is used in multiplexed data acquisition systems, programmable-gain amplifier circuits, and other signal conditioning applications.
- What is the maximum on-resistance of the ADG431BRZ?
The maximum on-resistance is 24Ω.
- What is the charge injection of the ADG431BRZ?
The charge injection is 5pC.
- What are the switching times for the ADG431BRZ?
The turn-on time (Ton) is 90ns max, and the turn-off time (Toff) is 60ns max.
- What is the channel-to-channel matching of the ADG431BRZ?
The channel-to-channel matching (ΔRon) is 1.2Ω.
- What is the operating temperature range of the ADG431BRZ?
The operating temperature range is -40°C to 85°C.
- Is the ADG431BRZ RoHS compliant?
Yes, the ADG431BRZ is RoHS3 compliant.
- What is the package type of the ADG431BRZ?
The package type is 16-SOIC.
- What are the supply voltage options for the ADG431BRZ?
The ADG431BRZ can operate with a dual supply (±15V) or a single supply (12V).
- What is the crosstalk performance of the ADG431BRZ?
The crosstalk is -85dB @ 1MHz.
