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| 型号： | 73M1922-DB |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 1/82页 |
| 文件大小： | 0K |
| 描述： | BOARD DEMO 73M1922 20-TSSOP |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 1 |
| 主要目的： | * |
| 嵌入式： | 否 |
| 已用 IC / 零件： | * |
| 主要属性： | * |
| 次要属性： | * |
| 已供物品： | 板，CD |
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73M1822/73M1922 MicroDAA
Silicon DAA with Serial Interface
Simplifying System Integration
DATA SHEET
DS_1x22_001
April 2010
Rev. 1.6
2010 Teridian Semiconductor Corporation
1
DESCRIPTION
The 73M1822 MicroDAA
is the world’s first
single-package silicon Data Access Arrangement
(DAA) for data/fax modem and voice applications.
It provides a serial Modem Analog Front End
(MAFE) interface to popular DSP/host processors to
implement a globally compliant low-cost soft modem
solution.
The 73M1822 MicroDAA is available as a
two-chip configuration (the 73M1922) that consists
of a 73M1902 Host-Side Device and a 73M1912
Line-Side Device. The MicroDAA integrates all
codec and DAA functions necessary to achieve
reliable PSTN connection worldwide.
The MicroDAA uses a small pulse transformer,
which can achieve more than 6 kV isolation. Power
may be supplied along with data through this barrier
interface to achieve superior performance in weak
loop current conditions. Inherently immune to RFI
and other forms of common mode interference, the
patented MicroDAA technology achieves global DAA
compliance with unparalleled flexibility, reliability,
and cost structure and requires less than 2 square
inches of a single sided PCB.
The MicroDAA supports Caller ID Type I and II, ring
detection, tip/ring polarity reversal detection, hook
switch control, pulse dialing, regulation of loop
current (DC mask), configurable line impedance
matching, line in use and parallel pickup detection.
The MicroDAA integrates billing tone filters, external
clock reference, audio monitor output, and requires
only a small number of low cost and commonly
available external components.
The MicroDAA incorporates a configurable sample
rate circuit to support soft modem and
DSP-based implementations of all speeds up to
V.92 (56 Kbps). Sampling rates from 7.2 kHz to
16 kHz can be easily supported.
APPLICATIONS
V.92 modems
Satellite Set Top Boxes
Fax/Multifunction Peripherals (MFP)
Point of Sale Terminals
Voicemail Systems
Industrial and medical telemetry
FEATURES
Meets FCC, ETSI ES 203 021-2, JATE, NET4
and other PTT standards
Configurable PSTN termination
Up to 8 mA minimum line current operation
0 dBm Transmit/Receive full scale
THD –80 dB
16-bit codec up to 16 kHz sample rate
Up to 56 Kbps (V.92) performance
Configurable sample rates (7.2 – 16 kHz)
Reference clock range of 9-40 MHz
Crystal frequency range of 9-27 MHz
MAFE I/F with Master, Slave and Daisy
Chaining
Billing tone reject filter
Polarity reversal detection on-chip
GPIO for user-configurable I/O port
Call Progress Monitor
3.3 V Operation
Industrial temperature range (-40
° to +85° C)
6 kV isolation (73M1922)
4-5 kV isolation (73M1822)
8x8 mm 42-pin QFN (73M1822)
20-pin TSSOP or 5x5 mm 32-pin QFN
(73M1922)
RoHS compliant (6/6) lead-free package
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| 73M1966B-DB | 功能描述:网络开发工具 73M1966B Demo Brd RoHS:否 制造商:Rabbit Semiconductor 产品:Development Kits 类型:Ethernet to Wi-Fi Bridges 工具用于评估:RCM6600W 数据速率:20 Mbps, 40 Mbps 接口类型:802.11 b/g, Ethernet 工作电源电压:3.3 V |
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| 73M1966B-EVM | 功能描述:网络开发工具 73M1966 Demo Brd & MotherBrd RoHS:否 制造商:Rabbit Semiconductor 产品:Development Kits 类型:Ethernet to Wi-Fi Bridges 工具用于评估:RCM6600W 数据速率:20 Mbps, 40 Mbps 接口类型:802.11 b/g, Ethernet 工作电源电压:3.3 V |
| 73M1966B-IM/F | 制造商:Maxim Integrated Products 功能描述: |
| 73M1966B-KEYCHN | 功能描述:网络开发工具 Keychain Eval Module RoHS:否 制造商:Rabbit Semiconductor 产品:Development Kits 类型:Ethernet to Wi-Fi Bridges 工具用于评估:RCM6600W 数据速率:20 Mbps, 40 Mbps 接口类型:802.11 b/g, Ethernet 工作电源电压:3.3 V |
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