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參數(shù)資料
| 型號： | MAX3982UTE+ |
| 廠商： | Maxim Integrated Products |
| 文件頁數(shù)： | 3/15頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC DRIVER SFP CABLE 16-TQFN |
| 產(chǎn)品培訓(xùn)模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標(biāo)準(zhǔn)包裝： | 100 |
| 類型： | 驅(qū)動(dòng)器 |
| 驅(qū)動(dòng)器/接收器數(shù)： | 1/0 |
| 電源電壓： | 3 V ~ 3.6 V |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 16-WFQFN 裸露焊盤 |
| 供應(yīng)商設(shè)備封裝： | 16-TQFN-EP（3x3） |
| 包裝： | 管件 |
| 產(chǎn)品目錄頁面： | 1408 (CN2011-ZH PDF) |
Detailed Description
The MAX3982 comprises a PC board receiver, a cable
driver, and a loss-of-signal detector with adjustable
threshold (Figure 4). Equalization is provided in the
receiver. Selectable preemphasis and selectable output
amplitude are included in the transmitter. The MAX3982
also includes transmit disable control for the output.
PC Board Receiver and Cable Driver
Data is fed into the MAX3982 through a CML input
stage and fixed equalization stage. The fixed equalizer
in the receiver corrects for up to 10in of PC board loss
on FR4 material at 4.25Gbps.
The cable driver includes four-state preemphasis to
compensate for up to 15m of 24AWG, 100
Ω balanced
cable. Table 1 is provided for easy translation between
preemphasis expressions. The OUTLEV pin selects the
output amplitude. When OUTLEV is low, the amplitude
is 1200mVP-P. When OUTLEV is high, the amplitude is
1600mVP-P. Residual jitter of the MAX3982 is indepen-
dent of up to 0.20UIP-P source jitter.
Loss-of-Signal (LOS) Output
Loss-of-signal detection is provided on the data input.
Pullup resistors should be connected from LOS to a
supply in the range of +3.0V to +5.5V. The LOS output
is not valid until power-up is complete. Typical LOS
response time is 100ns.
The LOS assert and deassert levels are set by the
LOSLEV pin. When LOSLEV is LVTTL high or open, the
LOS assert threshold is 180mVP-P. When LOSLEV is
LVTTL low, the LOS assert threshold is 85mVP-P.
TX Disable
Transmit disable is provided to turn off the output when
desired. The TX_DISABLE pin can be connected to
LOS to automatically squelch the output when the
incoming signal is below the threshold set by LOSLEV
(see the Autodetect section).
MAX3982
SFP Copper-Cable Preemphasis Driver
______________________________________________________________________________________
11
Figure 4. Functional Diagram
MAX3982
OUT+
OUT-
2
VCC2
LVTTL
CML
FIXED
EQUALIZER
IN-
IN+
TX_DISABLE
VCC1
PE0
PE1
10k
Ω
LIMITER
OUTLEV
LOSLEV
LVTTL
PREEMPHASIS
LOS
SIGNAL DETECT
GND
CML
2
VCC2
40k
Ω
VCC1
LVTTL
10k
Ω
VCC2
LVTTL
40k
Ω
VCC2
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX3982UTE+ | 功能描述:均衡器 SFP Copper-Cable Preemphasis Driver RoHS:否 制造商:Texas Instruments |
| MAX3982UTE+T | 功能描述:IC DRIVER SFP CABLE 16-TQFN RoHS:是 類別:集成電路 (IC) >> 接口 - 驅(qū)動(dòng)器，接收器，收發(fā)器 系列:- 標(biāo)準(zhǔn)包裝:1,240 系列:GD 類型:收發(fā)器 驅(qū)動(dòng)器/接收器數(shù):3/5 規(guī)程:RS232 電源電壓:4.5 V ~ 5.5 V 安裝類型:通孔 封裝/外殼:20-DIP（0.300"，7.62mm） 供應(yīng)商設(shè)備封裝:20-PDIP 包裝:管件 |
| MAX3982UTE-T | 制造商:Maxim Integrated Products 功能描述:SFP COPPER-CABLE PREEMPHASIS DRIVER - Tape and Reel 制造商:Maxim Integrated Products 功能描述:IC DRIVER SFP CABLE 16-TQFN 制造商:Maxim Integrated Products 功能描述:Equalizers SFP Copper-Cable Preemphasis Driver |
| MAX3983EVKIT | 功能描述:通信集成電路 - 若干 Evaluation Kit for the MAX3983 RoHS:否 制造商:Maxim Integrated 類型:Transport Devices 封裝 / 箱體:TECSBGA-256 數(shù)據(jù)速率:100 Mbps 電源電壓-最大:1.89 V, 3.465 V 電源電壓-最小:1.71 V, 3.135 V 電源電流:50 mA, 225 mA 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝:Tube |
| MAX3983SMAEVKIT | 功能描述:通信集成電路 - 若干 Evaluation Kit for the MAX3983 SMA Connector RoHS:否 制造商:Maxim Integrated 類型:Transport Devices 封裝 / 箱體:TECSBGA-256 數(shù)據(jù)速率:100 Mbps 電源電壓-最大:1.89 V, 3.465 V 電源電壓-最小:1.71 V, 3.135 V 電源電流:50 mA, 225 mA 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝:Tube |
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