MAX4853HETE - 3.5/7Ω Quad SPST Analog Switch | Analog Devices
MPN: MAX4853HETE ✗ End of LifeMAX4853HETE Overview
An analog switch is a semiconductor device that routes electrical signals between terminals with controlled impedance. A quad SPST switch contains four single-pole, single-throw channels, giving the designer four independently controlled paths on one IC. These devices sit between sensors, test equipment, instrumentation, communications, and industrial control systems. When used as part of a larger signal chain, they contribute less series resistance, faster transitions, and less signal degradation than mechanical switching approaches.
The MAX4853 family supports operation from 2 V to 5.5 V and switching times listed as 100 ns for turn-on and 60 ns for turn-off. Its low on-resistance is identified as 3.5Ω or 7Ω depending on the device variant, while the MAX4853HETE also provides over-rail signal handling. Off-isolation is listed as 80 dB, which helps preserve signal integrity when a channel is disconnected. The compact TQFN-16-EP package reduces board area while supporting dense analog and mixed-signal layouts.
Typical uses include multimeter and oscilloscope input switching, automated test equipment, signal conditioning, industrial control interfaces, data acquisition, and precision measurement systems. The MAX4853HETE is particularly appropriate when four similar routed signals must be switched under firmware or hardware control while maintaining consistent operation over an extended industrial temperature range.
Designers should pay attention to input and output signal levels, supply sequencing, exposed-pad connection, and the maximum voltage applied to switch terminals. The over-rail capability simplifies many routing arrangements, but it does not remove the need to check absolute maximum ratings under power-down, hot-plug, or fault conditions. Place bypass capacitance near the supply pins and route high-frequency switch nodes compactly to minimize parasitic inductance.
This product page combines manufacturer specifications, package details, application guidance, and same-footprint comparison considerations. It is intended to help engineers identify whether the MAX4853HETE matches the required voltage, resistance, switching-speed, temperature, and routing performance before committing a board layout to production.
Drop-in alternatives for MAX4853HETE — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Variants in this series
Same-series models that are drop-in compatible with MAX4853HETE (same form factor and footprint) — differing in Package, Switch Configuration.
MAX4851HETE
✅ Drop-InContact for price
View Datasheet →MAX4853EETE
✅ Drop-In📋 Reference alternative (not in catalog)
MAX4853HETT
✅ Drop-In📋 Reference alternative (not in catalog)
MAX4851EETE
✅ Drop-In📋 Reference alternative (not in catalog)
MAX4852HETE
✅ Drop-In📋 Reference alternative (not in catalog)
MAX4853HETE Maximum Ratings & Electrical Characteristics
| Switch Configuration | 4 × SPST |
| Number of Channels | 4 channels |
| Supply Voltage Range | 2 V to 5.5 V |
| On-Resistance | 7 Ω |
| Turn-On Time | 100 ns |
| Turn-Off Time | 60 ns |
| Off Isolation | 80 dB |
| Bandwidth | 150 MHz |
| Signal-to-Noise Ratio | 1:1 |
| Switch Capacitance | 30 pF |
| Propagation Delay | 40 ns |
| Operating Temperature Range | -40°C to +85°C |
| Package | TQFN-16-EP, 3 mm × 3 mm |
| Mounting Type | Surface mount |
| Terminal Count | 16 terminals |
| Over-Rail Signal Handling | Supported |
MAX4853HETE tqfn-16-ep, 3 mm × 3 mm Pin Configuration Guide
Pin configuration for MAX4853HETE (tqfn-16-ep, 3 mm × 3 mm package). Pin numbering, functions, and connection diagrams are defined in the manufacturer datasheet. Refer to it for the exact footprint and soldering guidelines.
No detailed pinout data available for MAX4853HETE.
Refer to the datasheet for full pin configuration.
Typical Applications
MAX4853HETE is suitable for 6 applications: Multimeter Input Switching, Oscilloscope and Signal Conditioning, Automated Test Equipment, Industrial Sensor Acquisition, Data Acquisition Front Ends, Battery-Powered Portable Instruments.
Multimeter Input Switching
The MAX4853HETE fits four-channel analog routing in a handheld or bench multimeter because its four SPST paths can connect different measurement nodes through compact control logic. The listed 80 dB off isolation helps reduce interaction between inactive channels, while 150 MHz bandwidth supports fast transient capture. Its 7 Ω on-resistance is acceptable when the source impedance is high enough that the added series resistance does not dominate measurement accuracy. The 3 mm by 3 mm TQFN-16-EP package also preserves board area in dense instruments. Designers should verify input protection, switched-node voltage limits, control polarity, and leakage against the actual meter architecture before layout release.
Recommended
Oscilloscope and Signal Conditioning
The MAX4853HETE can route acquisition channels in oscilloscope and signal-conditioning equipment when four independently controlled paths are needed in a compact assembly. Its 100 ns turn-on time and 60 ns turn-off time are suitable for controlled switching operations, while the 150 MHz listed bandwidth supports higher-frequency routed signals. The 7 Ω insertion resistance must be included in the input path when calculating attenuation and source-loading effects. Keep switched traces short, use a continuous ground reference, and place supply bypass capacitance close to the device to limit transient behavior. The manufacturer MAX4851-MAX4853H datasheet should define the final input and output voltage limits for each operating mode.
Recommended
Automated Test Equipment
The MAX4853HETE is appropriate for automated test equipment that needs to connect several low-level nodes to common measurement resources. Four SPST channels provide local routing without a larger relay matrix, and the 2 V to 5.5 V operating range supports common low-voltage test architectures. Its extended -40°C to +85°C temperature range suits industrial environments, but final operation must also account for fixture loading, cable capacitance, and system-level transients. Keep the routing section physically separated from noisy switching stages, use short ground returns, and confirm control timing before the switching edge reaches the acquisition circuitry. The exposed pad must be connected according to the manufacturer package guidance.
Recommended
Industrial Sensor Acquisition
The MAX4853HETE can switch sensor outputs in industrial acquisition modules when four channels must be routed under controller command. The 80 dB off isolation limits coupling from unused sensors, and the compact TQFN-16-EP package allows the routing device to sit close to the input connector. The 7 Ω on-resistance is most suitable for high-impedance sensors, where it introduces little measurement error, rather than for low-impedance loads requiring minimal insertion loss. Validate the full sensor output range, including industrial transients, against the over-rail limits. Add protection networks where sensor wiring leaves the board, and maintain a low-impedance ground path to reduce common-mode conversion during switching.
Recommended
Data Acquisition Front Ends
The MAX4853HETE works as a channel-selection element in compact data-acquisition front ends where four analog inputs must reach a shared converter. Its 150 MHz bandwidth and 30 pF listed switch capacitance should be included in settling-time and kickback analysis, particularly for multiplexed high-resolution converters. Leave adequate acquisition time after each control transition, and place the switch close to the converter input when channel capacitance and clock feedthrough dominate. The 7 Ω series resistance may require source-impedance compensation in the analog frontend. Use a single low-impedance supply reference, avoid routing control signals beneath sensitive analog nets, and follow the exposed-pad land pattern in the manufacturer package drawing.
Recommended
Battery-Powered Portable Instruments
The MAX4853HETE can serve low-voltage portable instruments that route sensor, reference, or calibration signals through a 2 V to 5.5 V supply domain. Its small TQFN-16-EP footprint supports compact layouts, while the four independent switch paths reduce the need for discrete routing components. Because the listed 7 Ω on-resistance can influence accuracy with low-impedance sources, compare the complete signal chain rather than relying on nominal bandwidth. Control-signal timing and power consumption should be evaluated across the instrument's active and standby states. Keep analog traces short, provide local supply decoupling, and verify that external signal levels remain compliant during battery charging, hot-plug, or shutdown transitions.
Recommended
Recommended Products Summary
Engineering reference data for MAX4853HETE — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | MAX4851HETE | MAX4853EETE | MAX4853HETT | MAX4851EETE | MAX4852HETE |
|---|---|---|---|---|---|---|
| Brand | Analog Devices | Analog Devices | Analog Devices | Analog Devices | Analog Devices | Analog Devices |
| Package | TQFN-16-EP, 3 mm × 3 mm | TQFN-16-EP, 3 mm × 3 mm | TQFN-16-EP, 3 mm × 3 mm | TQFN-16-EP, 3 mm × 3 mm | TQFN-16-EP, 3 mm × 3 mm | TQFN-16-EP, 3 mm × 3 mm |
| Supply Voltage Range | 2 V to 5.5 V | 2 V to 5.5 V | 2 V to 5.5 V | 2 V to 5.5 V | 2 V to 5.5 V | 2 V to 5.5 V |
Key Differentiators
- Four independently routable channels in a compact footprint (vs MAX4851HETE)
- Over-rail signal handling supports broader input-voltage arrangements (vs MAX4852HETE)
- Speed and isolation balance for precision routing (vs MAX4851EETE)
- Low-voltage operation for portable and embedded systems (vs MAX4853HETT)
Design Notes
Place the MAX4853HETE close to the connector, source, or converter pins that it routes. Keep each switched trace short and pair it with a continuous ground reference to limit loop area and parasitic inductance. The listed 30 pF switch capacitance can create charge injection and settling effects in high-resolution acquisition circuits, so include the real load capacitance and cable capacitance in the timing analysis rather than evaluating switching speed from the 100 ns and 60 ns figures alone.
Use the manufacturer pin-description table to identify the supply and ground terminals, then place the required bypass capacitor as close as practical to those pins. Because the MAX4853HETE supports over-rail signal handling, the switched-node voltage can exceed the local supply during some operating states; this does not relax the absolute maximum limits. Review power-down, startup, fault-recovery, and externally injected transient conditions so that no terminal exceeds its permitted voltage.
Connect the exposed pad using the manufacturer's TQFN land pattern and thermal-via recommendation. Maintain a low-impedance ground connection around the device, and avoid placing switch-control traces directly beneath sensitive analog routes. Over-rail capability reduces common signal-conditioning constraints, but it can also make accidental out-of-range voltages consequential. Include the package footprint, terminal numbering, exposed pad, and paste mask in the PCB-library review before fabrication.
Do not interpret the 150 MHz bandwidth as permission to route arbitrary high-frequency signals. On-resistance, capacitance, leakage, source impedance, load impedance, and control timing determine practical signal integrity. A 7 Ω series resistance may be negligible for a high-impedance sensor but significant for a low-impedance source. Likewise, 80 dB off isolation is frequency- and impedance-dependent. Validate the complete operating channel against the manufacturer characteristic curves and the final external network.
Compliance Information
The manufacturer product page and datasheet identify the device and its electrical characteristics, but the retrieved material does not state the requested compliance statuses.
