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参数资料
| 型号： | MAX3982UTE+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 3/15页 |
| 文件大小： | 0K |
| 描述： | IC DRIVER SFP CABLE 16-TQFN |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 2,500 |
| 类型： | 驱动器 |
| 驱动器/接收器数： | 1/0 |
| 电源电压： | 3 V ~ 3.6 V |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 16-WFQFN 裸露焊盘 |
| 供应商设备封装： | 16-TQFN-EP（3x3） |
| 包装： | 带卷 (TR) |
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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相关代理商/技术参数 |
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| MAX3983EVKIT | 功能描述:通信集成电路 - 若干 Evaluation Kit for the MAX3983 RoHS:否 制造商:Maxim Integrated 类型:Transport Devices 封装 / 箱体:TECSBGA-256 数据速率:100 Mbps 电源电压-最大:1.89 V, 3.465 V 电源电压-最小:1.71 V, 3.135 V 电源电流:50 mA, 225 mA 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装:Tube |
| MAX3983SMAEVKIT | 功能描述:通信集成电路 - 若干 Evaluation Kit for the MAX3983 SMA Connector RoHS:否 制造商:Maxim Integrated 类型:Transport Devices 封装 / 箱体:TECSBGA-256 数据速率:100 Mbps 电源电压-最大:1.89 V, 3.465 V 电源电压-最小:1.71 V, 3.135 V 电源电流:50 mA, 225 mA 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装:Tube |
| MAX3983UGK | 制造商:Maxim Integrated Products 功能描述:- Rail/Tube |
| MAX3983UGK+D | 功能描述:IC SIGNAL COND QUAD 68-QFN RoHS:是 类别:集成电路 (IC) >> 接口 - 传感器和探测器接口 系列:- 其它有关文件:Automotive Product Guide 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:74 系列:- 类型:触控式传感器 输入类型:数字 输出类型:数字 接口:JTAG，串行 电流 - 电源:100µA 安装类型:表面贴装 封装/外壳:20-TSSOP（0.173"，4.40mm 宽） 供应商设备封装:20-TSSOP 包装:管件 |
| MAX3983UGK+TD | 功能描述:IC SIGNAL COND QUAD 68-QFN RoHS:是 类别:集成电路 (IC) >> 接口 - 传感器和探测器接口 系列:- 其它有关文件:Automotive Product Guide 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:74 系列:- 类型:触控式传感器 输入类型:数字 输出类型:数字 接口:JTAG，串行 电流 - 电源:100µA 安装类型:表面贴装 封装/外壳:20-TSSOP（0.173"，4.40mm 宽） 供应商设备封装:20-TSSOP 包装:管件 |
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