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參數(shù)資料
| 型號： | MAX3228E-MAX3229E |
| 廠商： | Maxim Integrated Products, Inc. |
| 元件分類： | RS-232 |
| 英文描述： | 5V High-Speed RS-232 Transceivers with 0.1uF Capacitors |
| 中文描述： | 5V的高速RS - 232收發(fā)器與0.1uF電容 |
| 文件頁數(shù)： | 11/15頁 |
| 文件大小： | 227K |
| 代理商： | MAX3228E-MAX3229E |
M
RS-232 Transceivers in UCSP
Transmitter Outputs when
Exiting Shutdown
Figure 7 shows a transmitter output when exiting shut-
down mode. The transmitter is loaded with 3k
in par-
allel with 1000pF. The transmitter output displays no
ringing or undesirable transients as it comes out of
shutdown, and is enabled only when the magnitude of
V- exceeds approximately -3V.
High Data Rates
The MAX3228E/MAX3229E maintain the RS-232 ±5.0V
minimum transmitter output voltage even at high data
rates. Figure 8 shows a transmitter loopback test cir-
cuit. Figure 9 shows a loopback test result at 120kbps,
and Figure 10 shows the same test at 250kbps. For
Figure 9, the transmitter was driven at 120kbps into an
RS-232 load in parallel with 1000pF. For Figure 10, a
single transmitter was driven at 250kbps, and loaded
with an RS-232 receiver in parallel with 1000pF.
Figure 8. Transmitter Loopback Test Circuit
MAX3229E
5k
R1IN
R1OUT
C2-
C2+
C1-
C1+
V-
V+
V
CC
V
CC
C4
C3
C1
C2
0.1
μ
F
0.1
μ
F
FORCEOFF
FORCEON
INVALID
T1OUT
T1IN
GND
V
L
TO POWER-
MANAGEMENT UNIT
1000pF
V
L
V
L
V
L
V
L
Figure 9. Loopback Test Result at 120kbps
0
R_OUT
T_OUT
T_IN
-5V
5V
0
5V
5V
0
4
μ
s/div
Figure 10. Loopback Test Result at 250kbps
0
-5V
5V
0
5V
5V
0
R_OUT
T_OUT
T_IN
4
μ
s/div
Figure 7. Transmitter Outputs Exiting Shutdown or Powering Up
FORCEON =
FORCEOFF
TOUT
4
μ
s/div
0
2V/div
0
5V/div
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相關(guān)PDF資料 |
PDF描述 |
|---|---|
| MAX3228E | 【15kV ESD-Protected @.5V to %.5V RS-232 Transceivers in UCSP |
| MAX3228EEBV | 【15kV ESD-Protected @.5V to %.5V RS-232 Transceivers in UCSP |
| MAX3232 | 3.0V to 5.5V, Low-Power, up to 1Mbps, True RS-232 Transceivers Using Four 0.1μF External Capacitors(3V~5.5V,關(guān)閉方式下接收器有效,120kbps，RS-232收發(fā)器) |
| MAX3237 | 3.0V to 5.5V, Low-Power, up to 1Mbps, True RS-232 Transceivers Using Four 0.1μF External Capacitors(3V~5.5V,關(guān)閉方式下接收器有效,120kbps，RS-232收發(fā)器) |
| MAX323 | Precision, Single-Supply, SPST Analog Switches |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX3229AEEWV+ | 制造商:Maxim Integrated Products 功能描述:- Rail/Tube |
| MAX3229AEEWV+T | 制造商:Maxim Integrated Products 功能描述:+2.5V TO +5.5V RS-232 TRANSCEIVERS - Tape and Reel |
| MAX3229EBV | 制造商:Maxim Integrated Products 功能描述:+2.5V TO +5.5V RS-232 TRANSCEIVERS IN UCSP (E - Rail/Tube |
| MAX3229EBV-T | 功能描述:RS-232接口集成電路 RoHS:否 制造商:Exar 數(shù)據(jù)速率:52 Mbps 工作電源電壓:5 V 電源電流:300 mA 工作溫度范圍:- 40 C to + 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:LQFP-100 封裝: |
| MAX3229EEBV | 制造商:Maxim Integrated Products 功能描述::15KV ESD, +2.5V TO +5.5V 1TX/1RX RS-232 TRA - Rail/Tube |
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