Analogue, Mixed Signal, LSI


Quad audio line driver outputs full line-level signals

25 January 2006 Analogue, Mixed Signal, LSI

Maxim's MAX9727 is a quad audio line driver that provides a complete line-output solution for consumer audio systems. When operated from a single +5 V supply, it outputs 3 V rms signal levels; with a +3,3 V supply, it outputs 2 V rms signals. The DirectDrive MAX9727 is intended for multichannel PC sound cards, set-top boxes, A/V receivers, DVD players, and a variety of portable media players.

Maxim's innovative DirectDrive technology creates an on-chip negative supply, which allows the MAX9727 line driver to output full line-level signals while operating from a single power supply. As an added benefit, the device's output signal is biased at ground. This eliminates the need for DC-blocking capacitors, improving the low-frequency response, reducing distortion, and saving cost.

Integrated differential inputs improve system noise management. Gain can be precisely controlled by external resistors. The MAX9727 features a high 100 dB PSRR, 111 dB signal-to-noise ratio, and ultra-low 0,0005% THD+N, as well as click-and-pop suppression.

Available in 20-pin QSOP package, the MAX9727 is specified over -40 to +85°C.



Credit(s)



Share this article:
Share via emailShare via LinkedInPrint this page

Further reading:

Full sensor to cloud solution
CST Electronics Telecoms, Datacoms, Wireless, IoT
NeoCortec has demonstrated the seamless and rapid development of full sensor-to-cloud solutions using NeoMesh Click boards from MikroE and the IoTConnect cloud solution from Avnet.

Read more...
Banana Pi with NPU
CST Electronics AI & ML
The latest Banana Pi SBC, the BPI-M7, is powered by Rockchip’s latest flagship RK3588 octa-core 64-bit processor, with a maximum frequency of 2,4 GHz.

Read more...
Antennas to meet all connectivity requirements
Electrocomp Telecoms, Datacoms, Wireless, IoT
Kyocera AVX RF antennas meet today’s connectivity demands in the LTE, Wi-Fi, Bluetooth, GNSS, and ISM wireless bands, available in surface mount, patch or external configurations.

Read more...
Stainless steel pushbutton enclosures
Electrocomp Enclosures, Racks, Cabinets & Panel Products
he HYPB series from Hammond is a hygienic type 4X stainless steel pushbutton enclosure designed for use in environments where regular high temperature, high-pressure washdowns are required.

Read more...
Hardened-grade network switches
CST Electronics Computer/Embedded Technology
Lantronix’s hardened switches provide Layer 2 or Layer 3 networking, and are available as Power-over-Ethernet (PoE) or Power-over-Ethernet Plus (PoE+).

Read more...
Energy measurement IC
CST Electronics Power Electronics / Power Management
The SY7T501 and SY7T502 are Silergy’s newest energy measurement ICs for cost-sensitive IoT applications such as smart-plugs, dimmers, power-strips, intelligent lighting, and other points of load.

Read more...
SMD varistors with huge surge current capability
Electrocomp Power Electronics / Power Management
TDK Corporation has introduced two new varistor series in SMD design, the larger of the two capable of handling a surge current of 10 000 A.

Read more...
Easy wireless mesh networking
CST Electronics Telecoms, Datacoms, Wireless, IoT
NeoCortec has announced three new NeoMesh Click boards that are ideal for wireless mesh networking, eliminating the need for engineers to create any development PCB hardware themselves.

Read more...
LoRa transceiver module
CST Electronics Telecoms, Datacoms, Wireless, IoT
The RYLR896 transceiver module from REYAX features the LoRa long range modem that provides ultra-long range spread spectrum communication.

Read more...
High-performance antenna solution
CST Electronics Telecoms, Datacoms, Wireless, IoT
The Spitfire Series of antennas delivers exceptional performance with its dipole design, ground plane independence, and easy wall-mount versatility for both indoor and outdoor environments.

Read more...