參數(shù)資料
型號(hào)： 73M1822-IM/F
廠商： Maxim Integrated Products
文件頁(yè)數(shù)： 67/82頁(yè)
文件大小： 0K
描述： MICRODAA VOICE DATA/FAX 42-QFN
產(chǎn)品培訓(xùn)模塊： Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標(biāo)準(zhǔn)包裝： 260
系列： MicroDAA™
應(yīng)用： 傳真，調(diào)制解調(diào)器，尋呼機(jī)
接口： 串行
電源電壓： *
封裝/外殼： 42-VFQFN 裸露焊盤
供應(yīng)商設(shè)備封裝： 42-QFN（8x8）
包裝： 管件
安裝類型： 表面貼裝
DS_1x22_001
73M1822/73M1922 Data Sheet
Rev. 1.6
7
The Line-Side Device (73M1912 / 73M1822) consists of:
1. Digital Sigma Delta Modulator (DSDM)
2. Transmit Analog Front End (TxAFE)
3. Receive Analog Front End (RxAFE) including Sigma Delta Modulator (ASDM)
4. Sinc^3 Filter (Sinc3)
5. On-chip Line Interface Circuit (ONLIC)
6. Line-Side Barrier Interface Circuit (LSBI)
The transmit data (TxData) is interpolated up within TIF (Transmit Interpolation Filter) from the sampling
frequency (Fs) to twice the sampling frequency resulting in TxD.
Control information (CTL) is time-division multiplexed with TxD, serialized within MSBI, and sent across the
barrier to 73M1912 LIC (Line Interface Circuitry). This is then received and processed within LSBI and
separated into TxD and CTL. TxD is digitally sigma-delta modulated to form a serialized Transmit Bit
Stream (TBS). The TBS is D/A converted for final transmission to the line. CTL is used to control various
features of the Line-Side Device.
On the receive side, the received analog signal from the line is sigma-delta modulated to form a serialized
Receive Bit Stream (RBS). RBS is decimated down to twice the sampling frequency as RxD and
time-division multiplexed with status Information (STA) from the Auxiliary A/D regarding line condition in
LSBI block and transmitted to the Host-Side Device. The MSBI processes this data and separates it into
RxD and STA. Rxd is further decimated to down to Fs and sent to the host through the MAFE interface.
STA is sent to the host through the MAFE interface using a different time slot.
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73M1822-KEYCHN 功能描述:網(wǎng)絡(luò)開(kāi)發(fā)工具 Keychain Eval Module RoHS:否 制造商:Rabbit Semiconductor 產(chǎn)品:Development Kits 類型:Ethernet to Wi-Fi Bridges 工具用于評(píng)估:RCM6600W 數(shù)據(jù)速率:20 Mbps, 40 Mbps 接口類型:802.11 b/g, Ethernet 工作電源電壓:3.3 V
73M1866B-IFX 功能描述:電信線路管理 IC MicroDAA w/PCM Highway RoHS:否 制造商:STMicroelectronics 產(chǎn)品:PHY 接口類型:UART 電源電壓-最大:18 V 電源電壓-最小:8 V 電源電流:30 mA 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VFQFPN-48 封裝:Tray
73M1866B-IM/F 功能描述:電信線路管理 IC MicroDAA w/PCM Highway RoHS:否 制造商:STMicroelectronics 產(chǎn)品:PHY 接口類型:UART 電源電壓-最大:18 V 電源電壓-最小:8 V 電源電流:30 mA 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VFQFPN-48 封裝:Tray
73M1866B-IMR/F 功能描述:電信線路管理 IC MicroDAA w/PCM Highway RoHS:否 制造商:STMicroelectronics 產(chǎn)品:PHY 接口類型:UART 電源電壓-最大:18 V 電源電壓-最小:8 V 電源電流:30 mA 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VFQFPN-48 封裝:Tray
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