Noise Reduction Mono Headset IC with A2DP streaming

1. General Description ISSC IS1685S is a compact, high integration, ultra-low cost, CMOS single-chip RF + baseband IC for Bluetooth v3.0(EDR) (Enhanced Data Rate) 2.4GHz applications. This chip is fully compliant with Bluetooth specification and completely backward-compatible with Bluetooth 1.

文件：768.45 Kbytes 页数：38 Pages

ETCList of Unclassifed Manufacturers

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Bluetooth v.3.0 (EDR) Mono A2DP

The ISSC IS1685S is a highly integrated ultra-low power, single-chip RF and baseband IC for Bluetooth v3.0+EDR mono headset applications. The IS1685S builds in an audio processor and a high performance mono codec to support the enhanced speech and mono A2DP audio. In addition, a power management uni • Compliant with Bluetooth Specification v.3.0 (EDR) in 2.4 GHz ISM band\n• Class 2 Bluetooth radio with 4dBm transmit power and -91dBm receiver sensitivity\n• Build in audio processor supports noise and echo reduction\n• A2DP audio over mono DAC\n• Support play/pause function\n• Mono codec: 94dB DA;

Microchip

微芯科技

Low-Noise, 14V Input, 1A, PWM Step-Down Converters

General Description The MAX1684/MAX1685 are high-efficiency, internal switch, pulse-width modulation (PWM) step-down switching regulators intended to power cellular phones, communicating PDAs, and handy-terminals. These devices deliver a guaranteed 1A output current from two lithium-ion (Li+) bat

文件：234.08 Kbytes 页数：16 Pages

MAXIM

美信

Low-Noise, 14V Input, 1A, PWM Step-Down Converters

General Description The MAX1684/MAX1685 are high-efficiency, internal switch, pulse-width modulation (PWM) step-down switching regulators intended to power cellular phones, communicating PDAs, and handy-terminals. These devices deliver a guaranteed 1A output current from two lithium-ion (Li+) bat

文件：234.08 Kbytes 页数：16 Pages

MAXIM

美信

GENERAL PURPOSE 5 V FREQUENCY DOWN-CONVERTER IC

DESCRIPTION The µPC1685G is Silicon monolithic IC designed for UHF band receiver applications. This IC consists of double balanced mixer, local oscillator, IF amplifier, and voltage regulator. The package is 8-pin SOP suitable for high-density surface mount. FEATURES • UHF band operation • Go

文件：80.11 Kbytes 页数：16 Pages

NEC

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