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| 型号： | MAX3798ETJ+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 6/35页 |
| 文件大小： | 0K |
| 描述： | IC LIMITING AMP/VCSEL DVR 32TQFN |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 2,500 |
| 放大器类型： | 限制 |
| 电路数： | 1 |
| 输出类型： | 差分 |
| 电流 - 电源： | 97mA |
| 电压 - 电源，单路/双路(±)： | 2.85 V ~ 3.63 V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 32-WFQFN 裸露焊盘 |
| 供应商设备封装： | 32-TQFN-EP（5x5） |
| 包装： | 带卷 (TR) |
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MAX3798
Detailed Description
The MAX3798 SFP+ transceiver combines a limiting
amplifier receiver with loss-of-signal detection and a
VCSEL laser driver transmitter with fault protection.
Configuration of the advanced Rx and Tx settings of the
MAX3798 is performed by a controller through the
3-wire interface. The MAX3798 provides multiple cur-
rent and voltage DACs to allow the use of low-cost con-
troller ICs.
Limiting Amplifier Receiver
The limiting amplifier receiver inside the MAX3798 is
designed to operate from 1.0625Gbps to 10.32Gbps.
The receiver includes a dual path limiter, offset correc-
tion circuitry, CML output stage with deemphasis, and
loss-of-signal circuitry. The functions of the receiver can
be controlled through the on-chip 3-wire interface. The
registers that control the receiver functionality are
RXCTRL1, RXCTRL2, RXSTAT, MODECTRL, SET_CML,
and SET_LOS.
1.0625Gbps to 10.32Gbps, Integrated, Low-
Power SFP+ Limiting Amplifier and VCSEL Driver
14
______________________________________________________________________________________
Pin Description (continued)
PIN
NAME
FUNCTION
14
TIN-
Inverted Transmit Data Input, CML
16
BMON
Bias Current Monitor Output. Current out of this pin develops a ground-referenced voltage across an
external resistor that is proportional to the laser bias current.
17
VEET
Ground. Provides ground for the transmitter block.
19
TOUT-
Inverted Modulation Current Output. Back-termination of 50
to VCCT.
20
TOUT+
Noninverted Modulation Current Output. Back-termination of 50
to VCCT.
22
BIAS
VCSEL Bias Current Output
23
FAULT
Transmitter Fault Output, Open Drain. Logic-high indicates a fault condition. FAULT remains high
even after the fault condition has been removed. A logic-low occurs when the fault condition has
been removed and the fault latch has been cleared by the DISABLE signal.
24
BMAX
Analog VCSEL Bias Current Limit. A resistor connected between BMAX and VCCT sets the maximum
allowed VCSEL bias current.
25
MMAX
Analog VCSEL Modulation Current Limit. A resistor connected between MMAX and VCCT sets the
maximum allowed VCSEL modulation current.
26
VEER
Ground. Provides ground for the receiver block.
28
RIN-
Inverted Receive Data Input, CML
29
RIN+
Noninverted Receive Data Input, CML
31
CAZ2
Offset Correction Loop Capacitor. A capacitor connected between this pin and CAZ1 sets the time
constant of the offset correction loop. The offset correction can be disabled through the digital
interface by setting the bit AZ_EN = 0.
32
CAZ1
Offset Correction Loop Capacitor. Counterpart to CAZ2, internally connected to VEER.
—
EP
Exposed Pad. Ground. Must be soldered to circuit board ground for proper thermal and electrical
performance (see the Exposed-Pad Package section).
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX3799E/D | 功能描述:限幅放大器 1Gbps to 14Gbps SFP+ Multirate Limiting Amplifier and VCSEL Driver RoHS:否 制造商:Micrel 输入电压范围（最大值）:3.6 V 工作电源电压:3.3 V 电源电流:40 mA 工作温度范围:- 40 C to + 85 C 封装 / 箱体:MSOP-10 封装:Tube |
| MAX3799ETJ+ | 功能描述:限幅放大器 1-14Gbps SFP w/VCSEL Driver RoHS:否 制造商:Micrel 输入电压范围（最大值）:3.6 V 工作电源电压:3.3 V 电源电流:40 mA 工作温度范围:- 40 C to + 85 C 封装 / 箱体:MSOP-10 封装:Tube |
| MAX3799ETJ+T | 功能描述:限幅放大器 1-14Gbps SFP w/VCSEL Driver RoHS:否 制造商:Micrel 输入电压范围（最大值）:3.6 V 工作电源电压:3.3 V 电源电流:40 mA 工作温度范围:- 40 C to + 85 C 封装 / 箱体:MSOP-10 封装:Tube |
| MAX3799EVKIT+ | 功能描述:限幅放大器 Maxim Evaluation Kit RoHS:否 制造商:Micrel 输入电压范围（最大值）:3.6 V 工作电源电压:3.3 V 电源电流:40 mA 工作温度范围:- 40 C to + 85 C 封装 / 箱体:MSOP-10 封装:Tube |
| MAX379C/D | 功能描述:多路器开关 IC RoHS:否 制造商:Texas Instruments 通道数量:1 开关数量:4 开启电阻（最大值）:7 Ohms 开启时间（最大值）: 关闭时间（最大值）: 传播延迟时间:0.25 ns 工作电源电压:2.3 V to 3.6 V 工作电源电流: 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:UQFN-16 |
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