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參數(shù)資料
| 型號(hào)： | DS2165Q+ |
| 廠商： | Maxim Integrated Products |
| 文件頁數(shù)： | 1/17頁 |
| 文件大?。?/td> | 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： | 37 |
| 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： | 管件 |
| 產(chǎn)品目錄頁面： | 1429 (CN2011-ZH PDF) |
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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 |
|---|---|
| DS2165Q/T&R | 制造商:Maxim Integrated Products 功能描述:ADPCM PROCESSOR, 16/24/32KB PLCC - Tape and Reel 制造商:Maxim Integrated Products 功能描述:IC PROC ADPCM 16/24/32K 28-PLCC 制造商:Maxim Integrated Products 功能描述:Audio DSPs 16/24/32kbps ADPCM Processor |
| DS2165Q/T&R+ | 制造商:Maxim Integrated Products 功能描述:ADPCM PROCESSOR 32KBPS PLCC T&R LF - Tape and Reel |
| DS2165Q/T&R | 功能描述:音頻 DSP 16/24/32kbps ADPCM Processor RoHS:否 制造商:Texas Instruments 工作電源電壓: 電源電流: 工作溫度范圍: 安裝風(fēng)格: 封裝 / 箱體: 封裝:Tube |
| DS2165Q+ | 功能描述:音頻 DSP 16/24/32kbps ADPCM Processor RoHS:否 制造商:Texas Instruments 工作電源電壓: 電源電流: 工作溫度范圍: 安裝風(fēng)格: 封裝 / 箱體: 封裝:Tube |
| DS2165Q+T&R | 制造商:Maxim Integrated Products 功能描述:ADPCM PROCESSOR 28PLCC - Tape and Reel 制造商:Rochester Electronics LLC 功能描述: 制造商:Maxim Integrated Products 功能描述:IC PROC ADPCM 16/24/32K 28-PLCC |
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