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參數(shù)資料
| 型號： | DS2165Q/T&R |
| 廠商： | Maxim Integrated Products |
| 文件頁數(shù)： | 1/17頁 |
| 文件大小： | 0K |
| 描述： | IC PROC ADPCM 16/24/32K 28-PLCC |
| 產(chǎn)品培訓(xùn)模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標(biāo)準(zhǔn)包裝： | 500 |
| 類型： | ADPCM 處理器 |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 28-LCC（J 形引線） |
| 供應(yīng)商設(shè)備封裝： | 28-PLCC（11.51x11.51） |
| 包裝： | 帶卷 (TR) |
1 of 17
070802
Note: Some revisions of this device may incorporate deviations from published specifications known as errata. Multiple
revisions of any device may be simultaneously available through various sales channels. For information about device errata,
click here: http://www.maxim-ic.com/errata.
FEATURES
§ Compresses/expands 64kbps PCM voice
to/from either 32kbps, 24kbps, or 16kbps
§ Dual fully independent channel architecture;
device can be programmed to perform either:
- two expansions
- two compressions
- one expansion and one compression
§ Interconnects directly to combo-codec
devices
§ Input to output delay is less than 375ms
§ Simple serial port used to configure the
device
§ On-board time-slot assigner-circuit (TSAC)
function allows data to be input/output at
various time slots
§ Supports Channel Associated Signaling
§ Each channel can be independently idled or
placed into bypass
§ Available hardware mode requires no host
processor; ideal for voice storage
applications
§ Single +5V supply; low-power CMOS
technology
§ Available in 28-pin PLCC
§ 3V operation version is available
(DS2165QL)
PIN ASSIGNMENT (Top View)
DESCRIPTION
The DS2165Q ADPCM processor chip is a dedicated digital-signal-processing (DSP) chip that has been
optimized to perform adaptive-differential pulse-code modulation (ADPCM) speech compression at three
different rates. The chip can be programmed to compress (expand) 64kbps voice data down to (up from)
either 32kbps, 24kbps, or 16kbps. The compression to 32kbps follows the algorithm specified by CCITT
Recommendation G.721 (July 1986) and ANSI document T1.301 (April 1987). The compression to
24kbps follows ANSI document T1.303. The compression to 16kbps follows a proprietary algorithm
developed by Dallas Semiconductor. The DS2165Q can switch compression algorithms on-the-fly. This
allows the user to make maximum use of the available bandwidth on a dynamic basis.
28-Pin PLCC
NC
A0
A1
A2
A3
A4
FSY
YOUT
CS
SDI
SCLK
XOUT
A5
NC
TM1 TM0 RS
T
NC VD
D
YIN CLK
Y
SP
S
MC
LK
VS
S
NC XIN
CLK
X
FS
X
25
24
23
22
21
20
19
5
6
7
8
9
10
11
4
3
2
1
28
27
26
12
13 14
15
16 17 18
www.maxim-ic.com
DS2165Q
16/24/32kbps ADPCM Processor
DS2165Q
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| DS2167 | 功能描述:IC PROC ADPCM 16/24/32K 24-DIP RoHS:否 類別:集成電路 (IC) >> 線性 - 音頻處理 系列:- 其它有關(guān)文件:STA321 View All Specifications 標(biāo)準(zhǔn)包裝:1 系列:Sound Terminal™ 類型:音頻處理器 應(yīng)用:數(shù)字音頻 安裝類型:表面貼裝 封裝/外殼:64-LQFP 裸露焊盤 供應(yīng)商設(shè)備封裝:64-LQFP EP（10x10） 包裝:Digi-Reel® 其它名稱:497-11050-6 |
| DS2167N | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Transcoder |
| DS2167Q | 功能描述:IC PROC ADPCM 16/24/32K 28-PLCC RoHS:否 類別:集成電路 (IC) >> 線性 - 音頻處理 系列:- 其它有關(guān)文件:STA321 View All Specifications 標(biāo)準(zhǔn)包裝:1 系列:Sound Terminal™ 類型:音頻處理器 應(yīng)用:數(shù)字音頻 安裝類型:表面貼裝 封裝/外殼:64-LQFP 裸露焊盤 供應(yīng)商設(shè)備封裝:64-LQFP EP（10x10） 包裝:Digi-Reel® 其它名稱:497-11050-6 |
| DS2167QN | 功能描述:IC PROC ADPCM 16/24/32K 28-PLCC RoHS:否 類別:集成電路 (IC) >> 線性 - 音頻處理 系列:- 其它有關(guān)文件:STA321 View All Specifications 標(biāo)準(zhǔn)包裝:1 系列:Sound Terminal™ 類型:音頻處理器 應(yīng)用:數(shù)字音頻 安裝類型:表面貼裝 封裝/外殼:64-LQFP 裸露焊盤 供應(yīng)商設(shè)備封裝:64-LQFP EP（10x10） 包裝:Digi-Reel® 其它名稱:497-11050-6 |
| DS2167QN/T&R | 制造商:Maxim Integrated Products 功能描述:IC PROC ADPCM 16/24/32K 28-PLCC |
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