PROGRAMMABLE FOUR CHANNEL CODEC AND FILTER
®
STLC5046
PROGRAMMABLE FOUR CHANNEL CODEC AND FILTER
PRODUCT PREVIEW
PROGRAMMABLE MONOLITHIC 4 CHANNEL CODEC/FILTER ...
Description
®
STLC5046
PROGRAMMABLE FOUR CHANNEL CODEC AND FILTER
PRODUCT PREVIEW
PROGRAMMABLE MONOLITHIC 4 CHANNEL CODEC/FILTER SINGLE +3.3V SUPPLY PIN STRAP / MCU CONTROL MODE A/µ LAW PROGRAMMABLE LINEAR CODING (16 BITS) OPTION PCM HIGHWAY FORMAT AUTOMATICALLY DETECTED: 1.536 or 1.544MHz; 2.048, 4.096, 8192 MHz TX GAIN PROGRAMMING: 16dB RANGE; <0.1dB STEP RX GAIN PROGRAMMING: 26dB RANGE; <0.1dB STEP PROGRAMMABLE TIME SLOT ASSIGNMENT DIGITAL AND ANALOG LOOPBACKS SLIC CONTROL PORT STATIC MODE (16 I/Os) DYNAMIC MODE (12 I/Os + 4 CS) 64 TQFP PACKAGE PCM IN HI-Z MODE DESCRIPTION The STLC5046 is a monolithic programmable 4 channel codec and filter. It operates with a single +3.3V supply. The analog interface is based on a receive output buffer driving the SLIC RX input and on an amplifier input stage. Due to the single supply voltage a proper midsupply reference level is generated internally by the device and all analog signals are referred to this level (AGND). The
TQFP64 ORDERING NUMBER: STLC5046
PCM interface uses one common 8KHz frame sync. pulse for transmit and receive direction. The bit clock can be selected between four standards: 1.536/1.544MHz, 2.048MHz, 4.096MHz, 8192MHz. Device programmability is achieved by means of 41 registers allowing to set the different parameters like TX/RX gains, encoding law (A/µ), time slot assignment, independent channels power up/down, loopbacks, PCM bits offset. Thanks to pinstrap option, the most significant of the above parameters can be set b...
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