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Analog Devices MAX4948ETG+T — DC-DC Power Modules

MAX4948ETG+T Analog Devices SPDT Switch, 6-Channel, 5.5Ω

MPNMAX4948ETG+T
End of Life

Analog Devices MAX4948ETG+T, 6-circuit SPDT analog switch, 5.5Ω max on-resistance, 300 MHz -3 dB bandwidth, -90 dB crosstalk at 1 MHz, 1.8 V to 5.5 V single supply, -40°C to 85°C, 24-TQFN (4x4) package.

$7.24Ref. price · indicative, final on quote
Packaging24-WFQFN Exposed Pad
RoHSROHS3 Compliant
Independent supplier — new & surplus stockAuthenticity-screened · ESD-safe packingListing updated Aug 2026

Specifications

MAX4948ETG+T specifications
ParameterValue
MountingSurface Mount
Voltage - supply, single (V+)1.8V ~ 5.5V
Current - leakage (IS(off))3nA
Operating temperature-40°C ~ 85°C (TA)
-3db bandwidth300MHz
PackageTape & Reel (TR); Cut Tape (CT)
Crosstalk-90dB @ 1MHz
Case24-WFQFN Exposed Pad
Switch circuitSPDT
Charge injection10pC
Number of circuits6
On-State resistance5.5Ohm
Switch time (Ton, toff)800ns, 800ns
Multiplexer (Demultiplexer circuit)2:1
Channel capacitance (CS(off), CD(off))15pF
Channel-to-Channel matching (ΔRon)300mOhm

Product details

Six SPDT channels in a 4x4 mm package

The Analog Devices MAX4948ETG+T packs six independent SPDT switch circuits into a 24-TQFN (4x4) package, each channel rated for 1.8 V to 5.5 V single-supply operation. The -3 dB bandwidth reaches 300 MHz, making it usable for video or high-speed data paths, while -90 dB crosstalk at 1 MHz keeps channel isolation clean for mixed-signal boards where a switched ADC input or audio line sits next to a digital control line.

Switching speed and signal integrity

Turn-on and turn-off times are matched at 800 ns each. Charge injection is 10 pC.

No last-time-buy or end-of-life notices are in effect, making it suitable for both new design-ins and ongoing production builds.

Frequently asked questions

Is MAX4948ETG+T obsolete or end-of-life?

No — the manufacturer lists MAX4948ETG+T as Active with ROHS3 compliance. No EOL or last-time-buy status is published, so it is suitable for new designs and production builds.

What are the direct alternatives or replacements for MAX4948ETG+T?

Within the same Analog Devices portfolio, the MAX4948 shares the same 6-channel SPDT architecture and 5.5 Ω on-resistance with a 300 MHz bandwidth. Pin-compatibility across the family should be verified against the specific package variant — the MAX4948ETG+T uses a 24-TQFN (4x4) footprint. For a second-source evaluation, compare on-state resistance, bandwidth, and crosstalk against the listed specs.

What is MAX4948ETG+T's listed crosstalk (-90dB @ 1MHz) on this component line?

The listed crosstalk is -90 dB at 1 MHz. This figure tells you channel-to-channel isolation is strong enough for a 1 MHz analog signal to not leak into an adjacent channel by more than about 31 µV for a 1 V signal — adequate for 12-bit ADC front-ends and audio line-level switching.