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參數資料
| 型號： | TLFD600 |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | GT 4C 2#8 2#16 PIN RECP WALL |
| 中文描述： | 寬帶編解碼器帶有集成線路驅動器和接收 |
| 文件頁數： | 1/36頁 |
| 文件大?。?/td> | 502K |
| 代理商： | TLFD600 |
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TLFD600
ADSL CODEC WITH INTEGRATED LINE DRIVER AND RECEIVER
SLAS280B – MAY 2000 – REVISED NOVEMBER 2000
1
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
Supports Both FDM Full Rate (G.992.1) and
G.lite (G.992.2) ADSL Applications
Integrated Line Driver for TX and Line
Receiver for RX
Integrated TX/RX Filter, PGAs, and
Equalizer
Coexists with HPNA Devices (Version 1.0
and 2.0)
14-Bit Integrated A/D and D/A Converters
1.104 (G.lite)/2.208 (Full Rate) MHz Update
Rate for the RX Channel
276/552 kHz Update Rate for the TX
Channel
Integrated Voltage Compensated Crystal
Oscillator (VCXO) DAC and Digital
Phase-Lock Loop (DPLL)
–150 dBm/Hz for Analog Input Referred
Noise Floor
Direct Single Serial Interface to TIs C5000
or C6000 DSP Families for Both Data and
Control
Two General-Purpose I/O Pins and Four
General-Purpose Digital Outputs
Integrated Auxiliary Amplifiers for System
Flexibility
Software and Hardware Power-Down
Modes
Power Dissipation
– 1.4 W With Line Driver Across 50-
Load
Delivering 12.3 dBm Power to the Line
3.3-V and 12-V Supply (Line Driver) Power
Supplies
Industrial Temperature Range (–40
°
C to
85
°
C)
64-Pin PAP Package (PowerPAD
)
description
The TLFD600PAP is a high-speed, programmable, analog front end for customer premise equipment (CPE)
modems that supports G.lite (G.992.2) and full rate (G.992.1) ADSL applications and incorporates both the
codec and line drivers and receiver. The codec also coexists with home phoneline networking alliance
(HPNA)-devices, with the ability to work together with up to three HPNA devices connected to the same line.
The device performs transmit encoding (D/A conversion), receive decoding (A/D conversion), transmit and
receive filtering functions, receive equalizer, and programmable gain amplifications (PGA). The device also
incorporates a voltage compensated crystal oscillator (VCXO) DAC, DPLL, line driver, and receiver for TX and
RX channels which reduces the number of system components.
Two auxiliary amplifiers are provided, on-chip,
for additional onboard filtering and amplification with additional off-chip passive components. The receive
channel has an update rate of 1.104 Msps in the G.lite mode and 2.208 Msps in the full rate mode. The transmit
channel has an update rate of 276 Ksps and 552 Ksps.
A simple serial interface on the digital side reduces system component count. Both data and control share the
same serial port. The interface can connect directly to the TI C6000 and C5000 families of DSP chips.
The device operates using 3.3-V and 12-V supply lines (12 V is used for the on-chip TX line driver) and is
packaged in a single 64-pin PAP (PowerPAD
) package. It is characterized for operation from –40
°
C to 85
°
C.
Copyright
2000, Texas Instruments Incorporated
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of Texas Instruments
standard warranty. Production processing does not necessarily include
testing of all parameters.
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
PowerPAD is a trademark of Texas Instruments.
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