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參數(shù)資料
| 型號(hào)： | MAX3945ETE+ |
| 廠商： | Maxim Integrated Products |
| 文件頁數(shù)： | 2/24頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC AMP LIMITING 3.3V LP 16TQFN |
| 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： | 限幅放大器 |
| 應(yīng)用： | 光纖學(xué)網(wǎng)絡(luò) |
| 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 |
10 _____________________________________________________________________________________
MAX3945
1.0625Gbps to 11.3Gbps,
SFP+ Dual-Path Limiting Amplifier
Pin Configuration
Pin Description
15
16
14
13
5
6
7
V EE
LOS
8
CAZ
SDA
SCL
RPMIN
1
3
RIN-
4
12
10
9
RIN+
*EP
*THE EXPOSED PAD MUST BE CONNECTED TO GROUND.
+
VCCR
ROUT-
ROUT+
VCCR
V EE
CSEL
2
11
VCCR
THIN QFN
(3mm × 3mm)
MAX3945
TOP VIEW
PIN
NAME
FUNCTION
1
CAZ
Offset-Correction Loop Capacitor. A capacitor connected between this pin and the adjacent VEE pin sets
the time constant of the offset-correction loop. The offset correction can be disabled through the digital
interface by setting bit AZ_EN = 0 and by connecting this pin to ground.
2, 3
VEE
Ground for Limiting Amplifier
4
LOS
Loss-of-Signal Output. This output is an open-drain output. LOS is asserted when the level of the input
signal drops below the preset threshold set by SET_LOS[5:0]. LOS is deasserted when the signal level
is above the threshold. The polarity of the LOS output can be inverted by setting LOS_POL = 0. The LOS
circuitry can be disabled by setting LOS1_EN = 0 and LOS2_EN = 0. See Table 8.
5, 8, 13,
16
VCCR
Power Supply. Provides supply voltage to the limiting amplifier. All pins must be connected to the supply
voltage.
6
ROUT+
Noninverted Output, CML. Back terminated for 50I load.
7
ROUT-
Inverted Output, CML. Back terminated for 50I load.
9
SCL
Serial-Clock Input, TTL/CMOS. This pin has a 75kI internal pulldown.
10
SDA
Serial-Data Bidirectional I/O. TTL/CMOS input and open-drain output. This pin has a 75kI internal pul-
lup, but it requires an external 4.7kI pullup resistor to meet the 3-wire digital timing specification. (Data
line collision protection is implemented.)
11
CSEL
Chip-Select Input, TTL/CMOS. Internally pulled down by a 75kI resistor. CSEL = 1 starts an SPI cycle,
while CSEL = 0 ends the SPI cycle and resets the control state machine.
12
RPMIN
High-Impedance Receive Power-Monitor Input. Connect to ground when not used.
14
RIN-
Inverted Data Input, CML, with 50I Termination
15
RIN+
Noninverted Data Input, CML, with 50I Termination
—
EP
Exposed Pad. Must be soldered to circuit ground.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX3945ETE+ | 功能描述:限幅放大器 1.0625-11.3Gbps SFP Dual-Path Limit Amp RoHS:否 制造商:Micrel 輸入電壓范圍（最大值）:3.6 V 工作電源電壓:3.3 V 電源電流:40 mA 工作溫度范圍:- 40 C to + 85 C 封裝 / 箱體:MSOP-10 封裝:Tube |
| MAX3945ETE+T | 功能描述:限幅放大器 1.0625-11.3Gbps SFP Dual-Path Limit Amp RoHS:否 制造商:Micrel 輸入電壓范圍（最大值）:3.6 V 工作電源電壓:3.3 V 電源電流:40 mA 工作溫度范圍:- 40 C to + 85 C 封裝 / 箱體:MSOP-10 封裝:Tube |
| MAX3945EVKIT | 功能描述:放大器 IC 開發(fā)工具 RoHS:否 制造商:International Rectifier 產(chǎn)品:Demonstration Boards 類型:Power Amplifiers 工具用于評(píng)估:IR4302 工作電源電壓:13 V to 23 V |
| MAX3945EVKIT+ | 功能描述:限幅放大器 Evaluation Kit for the MAX3945 RoHS:否 制造商:Micrel 輸入電壓范圍（最大值）:3.6 V 工作電源電壓:3.3 V 電源電流:40 mA 工作溫度范圍:- 40 C to + 85 C 封裝 / 箱體:MSOP-10 封裝:Tube |
| MAX3946ETG+ | 功能描述:激光驅(qū)動(dòng)器 1.0625-11.3Gbps SFP Dual-Path Limit Amp RoHS:否 制造商:Micrel 數(shù)據(jù)速率:4.25 Gbps 工作電源電壓:3 V to 3.6 V 電源電流:80 mA 最大工作溫度:+ 85 C 封裝 / 箱體:QFN-16 封裝:Tube |
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