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STLC5046 Datasheet

  • STLC5046

  • PROGRAMMABLE FOUR CHANNEL CODEC AND FILTER

  • 27頁

  • STMICROELECTRONICS   STMICROELECTRONICS

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STLC5046
PROGRAMMABLE FOUR CHANNEL CODEC AND FILTER
PRODUCT PREVIEW
PROGRAMMABLE MONOLITHIC 4 CHAN-
NEL CODEC/FILTER
SINGLE +3.3V SUPPLY
PIN STRAP / MCU CONTROL MODE
A/碌 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 ASSIGN-
MENT
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 ana-
log 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 dif-
ferent parameters like TX/RX gains, encoding law
(A/碌), time slot assignment, independent chan-
nels power up/down, loopbacks, PCM bits offset.
Thanks to pinstrap option, the most significant of
the above parameters can be set by hardware
connection of dedicated pins. This allow to use
this device also on line card without MCU on
board. When pin strap option is selected different
pins of the device will change their function (see
pin description).
In MCU control mode the STLC5046 can be pro-
grammed via serial interface running up to 4MHz.
One interrupt output pin is also provided.
December 1999
This is preliminary information on a new product now in development. Details are subject to change without notice.
1/27

STLC5046 產(chǎn)品屬性

  • 960

  • 集成電路 (IC)

  • 接口 - 編解碼器

  • -

  • PCM 編解碼器/濾波器

  • PCM 音頻接口

  • 16 b

  • 4 / 4

  • 是

  • -

  • -

  • 3.3 V ~ 5 V

  • 3.3 V ~ 5 V

  • -40°C ~ 85°C

  • 表面貼裝

  • 64-LQFP

  • 64-LQFP（10x10）

  • 托盤

  • 497-3665

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