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參數(shù)資料
| 型號： | MAX209EWG |
| 廠商： | Maxim Integrated Products |
| 文件頁數(shù)： | 20/23頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC TXRX RS232 5V 24-SOIC |
| 產(chǎn)品培訓(xùn)模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標(biāo)準(zhǔn)包裝： | 30 |
| 類型： | 收發(fā)器 |
| 驅(qū)動器/接收器數(shù)： | 3/5 |
| 規(guī)程： | RS232 |
| 電源電壓： | 4.5 V ~ 5.5 V |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 24-SOIC（0.295"，7.50mm 寬） |
| 供應(yīng)商設(shè)備封裝： | 24-SOIC W |
| 包裝： | 管件 |
+5V, RS-232 Transceivers
with 0.1F External Capacitors
RS-232 Receivers
The receivers convert RS-232 signals to CMOS logic
output levels. Receiver outputs are inverting, maintain-
ing compatibility with driver outputs. The guaranteed
receiver input thresholds of +0.8V and +2.4V are signifi-
cantly tighter than the Q3.0V threshold required by the
EIA/TIA-232E specification. This allows receiver inputs
to respond to TTL/CMOS logic levels and improves noise
margin for RS-232 levels.
The MAX200–MAX209/MAX211/MAX213 guaranteed
+0.8V threshold (+0.6V in shutdown for the MAX213)
ensures that receivers shorted to ground have a logic 1
output. Also, the 5kI input resistance to ground ensures
that a receiver with its input left open also has a logic 1
output.
Receiver inputs have approximately +0.5V hysteresis.
This provides clean output transitions, even with slow
rise and fall time input signals with moderate amounts of
noise and ringing. In shutdown, the MAX213 receivers
R4 and R5 have no hysteresis.
Figure 3. Transition Slew-Rate Test Circuit
Figure 4. Dual Charge-Pump Diagram
+5V
0V (+5V)
0.1FF
C1+
C1-
C2+
C2-
400kI
3kI
2500pF
5kI
VCC
V+
V-
TIN
+5V
T1 T0 T5
R1 T0 R5
TOUT
RIN
0.1FF
ROUT
SHDN (SHDN)
EN (EN)
MAX200-MAX209
MAX211
MAX213
+5V
0V (+5V)
MAXIMUM SLEW-RATE
TEST CIRCUIT
MINIMUM SLEW-RATE
TEST CIRCUIT
NOTE: ( ) ARE FOR MAX213.
0V (+5V)
0.1FF
C1+
C1-
C2+
C2-
400kI
7kI
50pF
5kI
VCC
V+
V-
TIN
+5V
T1 T0 T5
R1 T0 R5
TOUT
RIN
0.1FF
ROUT
SHDN (SHDN)
EN (EN)
MAX200-MAX209
MAX211
MAX213
0.1FF
V+ V+
S5
S1
S2
C1+
S6
C2+
IL+
C3
C2
C4
GND
RL-
V-
S7
S8
GND
VCC
IL-
RL+
C2-
C1
VCC
200kHz
S3
S4
C1-
GND
MAX200–MAX209/MAX211/MAX213
6
Maxim Integrated
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX209EWG+ | 功能描述:RS-232接口集成電路 5V RS232 Transceiver w/0.1uF External Cap 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: |
| MAX209EWG+T | 功能描述:RS-232接口集成電路 5V RS232 Transceiver w/0.1uF External Cap 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: |
| MAX209EWG-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: |
| MAX209MRG | 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: |
| MAX20A | 制造商:Datak Corporation 功能描述: |
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