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參數(shù)資料
| 型號(hào)： | MAX3061EEKA#TG16 |
| 廠商： | Maxim Integrated Products |
| 文件頁(yè)數(shù)： | 7/17頁(yè) |
| 文件大?。?/td> | 0K |
| 描述： | IC TXRX RS485/422 20MBPS SOT23-8 |
| 產(chǎn)品培訓(xùn)模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標(biāo)準(zhǔn)包裝： | 2,500 |
| 類型： | 收發(fā)器 |
| 驅(qū)動(dòng)器/接收器數(shù)： | 1/1 |
| 規(guī)程： | RS422，RS485 |
| 電源電壓： | 4.75 V ~ 5.25 V |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | SOT-23-8 |
| 供應(yīng)商設(shè)備封裝： | SOT-23-8 |
| 包裝： | 帶卷 (TR) |
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Figure 18’s high-frequency harmonic components are
much lower in amplitude, compared with Figure 17’s,
and the potential for EMI is significantly reduced. Figure
19 shows the same signal displayed for a MAX3060E
transmitting under the same conditions. Figure 19’s
high-frequency harmonic components are even lower.
In general, a transmitter’s rise time relates directly to the
length of an unterminated stub, which can be driven with
only minor waveform reflections. The following equation
expresses this relationship conservatively:
Length = tRISE / (10 x 1.5ns/ft)
where tRISE is the transmitter’s rise time.
For example, the MAX3060E’s rise time is typically
1850ns, which results in excellent waveforms with a stub
length up to 123ft. A system can work well with longer
unterminated stubs, even with severe reflections, if the
waveform settles out before the UART samples them.
Low-Power Shutdown Mode
Low-power shutdown mode is initiated by bringing both
RE high and DE low. In shutdown, the devices typically
draw only 1nA of supply current.
RE and DE can be driven simultaneously. The parts are
guaranteed not to enter shutdown if RE is high and DE is
low for less than 50ns. If the inputs are in this state for at
least 600ns, the parts are guaranteed to enter shutdown.
Enable times t_ZH and t_ZL in the Switching Char-
acteristics tables assume the part was not in a low-
power shutdown state. Enable times t_ZH(SHDN) and
t_ZL(SHDN) assume the parts were shut down. It takes
drivers and receivers longer to become enabled from
low-power shutdown mode (t_ZH(SHDN), t_ZL(SHDN))
than from driver/receiver-disable mode (t_ZH, t_ZL).
Driver Output Protection
Two mechanisms prevent excessive output current and
power dissipation caused by faults or by bus con-
tention. The first, a foldback current limit on the output
stage, provides protection after a 20s delay against
short circuits over the whole common-mode voltage
range (see Typical Operating Characteristics). The sec-
ond, a thermal shutdown circuit, forces the driver out-
puts into a high-impedance state if the die temperature
becomes excessive.
MAX3060E/MAX3061E/MAX3062E
±15kV ESD-Protected, Fail-Safe, 20Mbps, Slew-Rate-
Limited RS-485/RS-422 Transceivers in a SOT
______________________________________________________________________________________
15
MAX3060E/MAX3061E/MAX3062E
125kHz/div
20dB/div
0
1.25MHz
Figure 17. Driver Output Waveform and FFT Plot of MAX3062E
Transmitting a 25kHz Signal
125kHz/div
20dB/div
0
1.25MHz
Figure 18. Driver Output Waveform and FFT Plot of MAX3061E
Transmitting a 25kHz Signal
125kHz/div
20dB/div
0
1.25MHz
Figure 19. Driver Output Waveform and FFT Plot of MAX3060E
Transmitting a 25kHz Signal
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX3062EEKA | 制造商:Maxim Integrated Products 功能描述:+/-15KV ESD-PROTECTED,FAIL-SAFE,20MBPS, SLEW- - Bulk |
| MAX3062EEKA#G16 | 制造商:Maxim Integrated Products 功能描述:LINE TRNSCVR 1TR 1TX 1RX 8PIN SOT-23 - Rail/Tube |
| MAX3062EEKA#TG16 | 功能描述:RS-422/RS-485 接口 IC Fail-Safe 20Mbps RS-485/RS-422 Tcvr RoHS:否 制造商:Maxim Integrated 數(shù)據(jù)速率:1136 Kbps 工作電源電壓:3 V to 5.5 V 電源電流:5.9 mA 工作溫度范圍:- 40 C to + 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-28 封裝:Tube |
| MAX3062EEKA-T | 功能描述:RS-422/RS-485 接口 IC RoHS:否 制造商:Maxim Integrated 數(shù)據(jù)速率:1136 Kbps 工作電源電壓:3 V to 5.5 V 電源電流:5.9 mA 工作溫度范圍:- 40 C to + 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-28 封裝:Tube |
| MAX3062EEKATG16 | 制造商:Maxim Integrated Products 功能描述:Transmitter/Receiver RS422/RS485 SOT23-8 |
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