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參數(shù)資料
| 型號(hào)： | MAX3291ESD |
| 廠商： | Maxim Integrated Products |
| 文件頁數(shù)： | 12/16頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC TXRX RS485/422 5-10MBPS14SOIC |
| 產(chǎn)品培訓(xùn)模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標(biāo)準(zhǔn)包裝： | 50 |
| 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： | 14-SOIC（0.154"，3.90mm 寬） |
| 供應(yīng)商設(shè)備封裝： | 14-SOIC |
| 包裝： | 管件 |
MAX3291/MAX3292
RS-485/RS-422 Transceivers with Preemphasis
for High-Speed, Long-Distance Communication
_______________________________________________________________________________________
5
TYPICAL PREEMPHASIS WAVEFORM
MAX3291/2-01
100ns/div
VY - VZ
2V/
div
2500
0
1000
PREEMPHASIS INTERVAL vs. RPSET
(CPSET = 0.1F)
250
500
2250
MAX3291/2-02
RPSET (k)
PREEMPHASIS
INTERVAL
(ns)
200
100
300 400
600
500
800
700
900
2000
1750
750
1500
1250
1000
NOTE A
0
400
200
800
NOTE A
600
1000
1200
0
1000
500
1500
2000
RPRE AND tPRE vs. tBAUD
MAX3291/92
toc
03
tBAUD (ns)
R
PRE
(k
)
0
1.0
0.5
2.0
1.5
2.5
3.0
4.0
3.5
4.5
10
30
40
50
20
60
70
80
90 100
DRIVER DIFFERENTIAL
OUTPUT VOLTAGE vs. RDIFF
MAX3291/2-04
RDIFF ()
DRIVER
DIFFERENTIAL
OUTPUT
VOLTAGE
(V)
STRONG
NORMAL
30.0
35.0
32.5
40.0
37.5
42.5
47.5
45.0
50.0
-40
0
20
-20
40
60
80
100
DRIVER PROPAGATION DELAY
vs. TEMPERATURE
MAX3291/2-07
TEMPERATURE (°C)
PROPAGATION
DELAY
(ns)
CL1 = CL2 = 50pF
2.00
2.50
2.25
3.00
2.75
3.25
3.50
4.00
3.75
4.25
-40
0
20
-20
40
60
80
100
DRIVER DIFFERENTIAL
OUTPUT VOLTAGE vs. TEMPERATURE
MAX3291/2-05
TEMPERATURE (°C)
DIFFERENTIAL
OUTPUT
VOLTAGE
(V)
STRONG (VODP)
RDIFF = 54
NORMAL (VOD)
40.0
45.0
42.5
50.0
47.5
52.5
57.5
55.0
60.0
-40
0
20
-20
40
60
80
100
RECEIVER PROPAGATION DELAY
vs. TEMPERATURE
MAX3291/2-06
TEMPERATURE (°C)
PROPAGATION
DELAY
(ns)
CL = 50pF
RECEIVER PROPAGATION DELAY
MAX3291/2-08
20ns/div
VA - VB
RO
2.5V/
div
5V/
div
__________________________________________Typical Operating Characteristics
(VCC = +5V, TA = +25°C, unless otherwise noted.)
Note A: Dotted line represents region in which preemphasis may not work in systems with excessive power-supply noise. See
Preemphasis at Low Data Rates.
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| MAX3291ESD+ | 功能描述:RS-422/RS-485 接口 IC For Long-Distance Communication 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 |
| MAX3291ESD+T | 功能描述:RS-422/RS-485 接口 IC For Long-Distance Communication 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 |
| MAX3291ESD-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 |
| MAX3292CPD | 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 |
| MAX3292CPD+ | 功能描述:RS-422/RS-485 接口 IC For Long-Distance Communication 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 |
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