EVAL-SSM2517Z
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EVAL-SSM2517Z
BOARD EVALUATION FOR SSM2517
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$321.00
Quantity Available:
2940
SZC Quality Assurance
Analog Devices Inc.
Analog Devices (NASDAQ: ADI) leads in crafting high-performance analog, mixed-signal, and digital signal processing integrated circuits. For decades, they've tackled signal processing challenges across global electronics. With over 100,000 clients, their products convert real-world phenomena into electrical signals. Merged with Maxim Integrated, they offer top-tier mixed-signal and power management technologies, solving complex problems from DC to 100 GHz and sensor to cloud.
View All Product from Analog Devices Inc.
EVAL-SSM2517Z FEATURES
Filterless digital Class-D amplifierPulse density modulation (PDM) digital input interface2.4 W into 4 Ω load and 1.38 W into 8 Ω load at 5.0 V supplywith <1% total harmonic distortion plus noise (THD + N)Available in 9-ball, 1.5 mm × 1.5 mm, 0.5 mm pitch WLCSP92% efficiency into 8 Ω at full scaleOutput noise: 43 μV rms at 3.6 V, A-weightedTHD + N: 0.035% at 1 kHz, 100 mW output powerPSRR: 85 dB at 217 Hz, input referred with dither inputQuiescent power consumption: 10.4 mW(VDD = 1.8 V, PVDD = 3.6 V, 8 Ω + 33 μH load)Pop-and-click suppressionConfigurable with PDM pattern inputsShort-circuit and thermal protection with autorecoverySmart power-down when PDM stop conditionor no clock input detected64 × fS or 128 × fS operation supporting 3 MHz and 6 MHz clocksDC blocking high-pass filter and static input dc protectionUser-selectable ultralow EMI emissions modePower-on reset (POR)Minimal external passive components
EVAL-SSM2517Z GENERAL DESCRIPTION
The SSM2517 is a PDM digital input Class-D power amplifierthat offers higher performance than existing DAC plus Class-Dsolutions. The SSM2517 is ideal for power sensitive applications,such as mobile phones and portable media players, where systemnoise can corrupt the small analog signal sent to the amplifier.The SSM2517 combines an audio digital-to-analog converter(DAC), a power amplifier, and a PDM digital interface on a singlechip. The integrated DAC plus analog Σ-Δ modulator architectureenables extremely low real-world power consumption fromdigital audio sources with excellent audio performance. Usingthe SSM2517, audio can be transmitted digitally to the audioamplifier, significantly reducing the effect of noise sources such asGSM interference or other digital signals on the transmitted audio.The SSM2517 is capable of delivering 2.4 W of continuous outputpower with <1% THD + N driving a 4 Ω load from a 5.0 V supply.The SSM2517 features a high efficiency, low noise modulationscheme that requires no external LC output filters. The closed-loop,three-level modulator design retains the benefits of an all-digitalamplifier, yet enables very good PSRR and audio performance. Themodulation continues to provide high efficiency even at low outputpower and has an SNR of 96 dB. Spread-spectrum pulse densitymodulation is used to provide lower EMI-radiated emissionscompared with other Class-D architectures.The SSM2517 has a four-state gain and sample frequency selectionpin that can select two different gain settings, optimized for 3.6 Vand 5 V operation. This same pin also controls the internal digitalfiltering and clocking, which can be set for 64 × fS or 128 × fS inputsample rates to support both 3 MHz and 6 MHz PDM clock rates.The SSM2517 has a micropower shutdown mode with a typicalshutdown current of 1 μA for both power supplies. Shutdown isenabled automatically by gating input clock and data signals. Astandby mode can be entered by applying a designated PDM stopcondition sequence. The device also includes pop-and-click sup-pression circuitry. This suppression circuitry minimizes voltageglitches at the output when entering or leaving the low powerstate, reducing audible noises on activation and deactivation.The SSM2517 is specified over the industrial temperature rangeof −40°C to +85°C. It has built-in thermal shutdown and outputshort-circuit protection. It is available in a 9-ball, 1.5 mm × 1.5 mmwafer level chip scale package (WLCSP).
EVAL-SSM2517Z APPLICATIONS
Mobile handsets
Product Attributes
| TYPE | DESCRIPTION | Select all |
|---|---|---|
| Product Status | Active | |
| Amplifier Type | Class D | |
| Output Type | 1-Channel (Mono) | |
| Max Output Power x Channels @ Load | 2.4W x 1 @ 4Ohm | |
| Voltage - Supply | 2.5V ~ 5.5V | |
| Board Type | Fully Populated | |
| Utilized IC / Part | SSM2517 | |
| Supplied Contents | Board(s) | |
| Series | - | |
| Package | Box |
$321.00
Quantity Available:
2940
SZC Quality Assurance
Analog Devices Inc.
Analog Devices (NASDAQ: ADI) leads in crafting high-performance analog, mixed-signal, and digital signal processing integrated circuits. For decades, they've tackled signal processing challenges across global electronics. With over 100,000 clients, their products convert real-world phenomena into electrical signals. Merged with Maxim Integrated, they offer top-tier mixed-signal and power management technologies, solving complex problems from DC to 100 GHz and sensor to cloud.
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