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參數(shù)資料
| 型號： | ACS104A-TQ |
| 廠商： | Semtech Corporation |
| 英文描述： | ACS104A Fiber Modem |
| 中文描述： | ACS104A光纖調制解調器 |
| 文件頁數(shù)： | 1/12頁 |
| 文件大?。?/td> | 146K |
| 代理商： | ACS104A-TQ |
2
Advanced Communications
1
Description
Equivalent Block Diagram of ACS104A
PLCC (part no: ACS104A-PL) packages.
*
Low cost, single-chip solution for data powered RS-232 modems
using twin fiber-optic cables. Includes all analog/digital functions
except for power extraction circuitry and RS-232 level shifting.
*
Suitable for plastic or glass fiber, RF, infra-red over free air or
other media.
*
Uses low cost LED and PIN combination to transmit and receive
data.
*
Additional operating mode to support PIN with integrated TIA.
*
Asynchronous data rates from DC to 162kbps.
*
Very low power consumption; typically 2 - 3mA, which could be
extracted from the RS232 port itself, for > 12 dB link budget.
*
Supports 3 additional low frequency asynchronous channels or
the RS-232 handshake signals.
*
Bit Error Rate (BER) < 10
-9
*
Available in 44 pin TQFP (part no: ACS104A-TQ) and 28 pin
The ACS104A is a complete controller, driver and receiver IC, supporting full-
duplex asynchronous transmission from DC to 162kbps over a serial link.
Improved sensitivity and additional operating modes are offered over the
ACS104. Although primarily designed to be used with standard LED emitters and
PIN receivers and twin optical fibers, any other simple serial media may be used.
The ACS104A is optimised for very low power consumption, consuming only 2 -
3mA at RS-232 data rates including power provided to the LED and 'heartbeat'
monitor. In applications where the power is extracted from the RS232 data lines,
this leaves a generous amount of power left for any power extraction and RS-232
level shifting circuitry.
The ACS104A employs data compression and time compression techniques,
affording high launch power in short bursts, leading to a low average power
consumption. The advantage of this approach is that high link budgets can be
achieved with inexpensive optical components. For example, the recommended
set-up for RS-232 applications (19.2kbps + handshake signals) assumes that the
LED is driven with a peak current of approximately 15.4mA for 6 % of the time.
The machine cycle is short enough to facilitate power supply smoothing with a
small external capacitor in the region of 100μF.
LED
Driver
PIN
Receiver
Data
Compress
3B4B
Encoder
Digital
Filter
Data
Decompress
3B4B
Decoder
Digital
Filter
RS-232 Interface
Control Logic
DCDB CTS
DSR
RTS
DTR
DR(2:1) DM(2:1)
LED/PIN
combinations
TRC
TxD
RxD
FIFO Time
Decompress
FIFO Time
Compress
PORB
RIO
RII
HBT
Features
ACS104A Fiber Modem
A
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相關代理商/技術參數(shù) |
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|---|---|
| ACS108 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:AC LINE SWITCH |
| ACS108/5S | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:AC LINE SWITCH |
| ACS108-5SA | 功能描述:雙向可控硅 0.8A 500V AC Line Sw RoHS:否 制造商:STMicroelectronics 開啟狀態(tài) RMS 電流 (It RMS):16 A 不重復通態(tài)電流:120 A 額定重復關閉狀態(tài)電壓 VDRM:600 V 關閉狀態(tài)漏泄電流（在 VDRM IDRM 下）:5 uA 開啟狀態(tài)電壓: 保持電流（Ih 最大值）:45 mA 柵觸發(fā)電壓 (Vgt):1.3 V 柵觸發(fā)電流 (Igt):1.75 mA 最大工作溫度: 安裝風格:Through Hole 封裝 / 箱體:TO-220AB |
| ACS108-5SA-AP | 功能描述:雙向可控硅 0.8A 500V AC Line Sw RoHS:否 制造商:STMicroelectronics 開啟狀態(tài) RMS 電流 (It RMS):16 A 不重復通態(tài)電流:120 A 額定重復關閉狀態(tài)電壓 VDRM:600 V 關閉狀態(tài)漏泄電流（在 VDRM IDRM 下）:5 uA 開啟狀態(tài)電壓: 保持電流（Ih 最大值）:45 mA 柵觸發(fā)電壓 (Vgt):1.3 V 柵觸發(fā)電流 (Igt):1.75 mA 最大工作溫度: 安裝風格:Through Hole 封裝 / 箱體:TO-220AB |
| ACS108-5SA-TR | 功能描述:雙向可控硅 0.8A 500V AC Line Sw RoHS:否 制造商:STMicroelectronics 開啟狀態(tài) RMS 電流 (It RMS):16 A 不重復通態(tài)電流:120 A 額定重復關閉狀態(tài)電壓 VDRM:600 V 關閉狀態(tài)漏泄電流（在 VDRM IDRM 下）:5 uA 開啟狀態(tài)電壓: 保持電流（Ih 最大值）:45 mA 柵觸發(fā)電壓 (Vgt):1.3 V 柵觸發(fā)電流 (Igt):1.75 mA 最大工作溫度: 安裝風格:Through Hole 封裝 / 箱體:TO-220AB |
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