參數(shù)資料
型號： MAX3248E
廠商： Maxim Integrated Products, Inc.
英文描述： ±15kV ESD-Protected, 3.0V to 5.5V, Low-Power, Up to 250kbps, True RS-232 Transceivers(±15kV ESD保護，3.0V至5.5V,低功耗,250kbps, RS-232收發(fā)器（5發(fā)3收）)
中文描述： +3.0V至+5.5V、10nA、250kbps RS-232收發(fā)器，帶有±15kV ESD保護、輸入/輸出和邏輯引腳
文件頁數(shù)： 4/14頁
文件大?。?/td> 235K
代理商： MAX3248E
-6
-2
-3
-4
-5
2
1
0
4
3
6
5
-1
0
1000
LOAD CAPACITANCE (pF)
1500
500
2000
2500
3000
TRANSMITTER OUTPUT VOLTAGE
vs. LOAD CAPACITANCE
M
T
V
OUT-
V
OUT
+
FOR DATA RATES UP TO 250kbps
1 TRANSMITTER 250kbps
4 TRANSMITTERS 15.6kbps
ALL TRANSMITTERS LOADED
WITH 3k
+ C
L
0
4
2
8
6
10
12
0
1000
LOAD CAPACITANCE (pF)
1500
500
2000
2500
3000
SLEW RATE vs. LOAD CAPACITANCE
M
S
μ
s
SR+
SR-
1 TRANSMITTER 250kbps
4 TRANSMITTERS 15.6kbps
ALL TRANSMITTERS LOADED
WITH 3k
+ C
L
50
20
10
0
0
1000
LOAD CAPACITANCE (pF)
500
2000
3000
SUPPLY CURRENT vs. LOAD CAPACITANCE
WHEN TRANSMITTING DATA
30
M
S
1500
2500
40
250kbps
20kbps
120kbps
1 TRANSMITTER 20kbps, 120 kbps, 250kbps
4 TRANSMITTERS 15.6kbps
ALL TRANSMITTERS LOADED
WITH 3k
+ C
L
__________________________________________Typical Operating Characteristics
(V
CC
= +3.3V, 250kbps data rate, 0.1μF capacitors, all transmitters loaded with 3k
, T
A
= +25°C, unless otherwise noted.)
M
+3.0V to +5.5V, 10nA, 250kbps RS-232 Transceivers
with ±15kV ESD-Protected I/O and Logic Pins
4
_______________________________________________________________________________________
ELECTRICAL CHARACTERISTICS (continued)
(V
CC
= +3.0V to +5.5V, C1–C4 = 0.1μF (tested at 3.3V ±5%), C1–C4 = 0.22μF (tested at 3.3V ±10%), C1 = 0.047μF, and
C2–C4 = 0.33μF (tested at 5.0V ±10%), T
A
= T
MIN
to T
MAX
, unless otherwise noted. Typical values are at T
A
= +25°C.)
Note 2:
The transmitter inputs have an active positive feedback resistor. The input current goes to zero when the inputs are at the
supply rails.
Note 3:
During AutoShutdown only, a transmitter/receiver edge is defined as a transition through the transmitter/receiver input logic
wake-up thresholds.
CONDITIONS
UNITS
MIN
TYP
MAX
PARAMETER
| t
PHL
- t
PLH
|
4
30
t
PHL
t
PLH
R_IN to R_OUT,
C
L
= 150pF
C
L
= 150pF to 1000pF
R
L
= 3k
, C
L
= 1000pF, one transmitter switching
C
L
= 150pF to 2500pF
0.15
2.6
2.4
50
50
V
CC
= 3.3V,
T
A
= +25°C,
R
L
= 3k
to 7k
,
measured from +3V to
-3V or -3V to +3V
Normal operation
Normal operation
| t
PHL
- t
PLH
|
μs
0.15
Receiver Propagation Delay
kbps
250
Maximum Data Rate
V/μs
6
30
Transition-Region Slew Rate
μs
μs
ns
ns
Receiver Output Enable Time
Receiver Output Disable Time
Transmitter Skew
Receiver Skew
TIMING CHARACTERISTICS
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相關代理商/技術參數(shù)
參數(shù)描述
MAX3248ECAI 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 安裝風格:SMD/SMT 封裝 / 箱體:LQFP-100 封裝:
MAX3248ECAI+ 制造商:Rochester Electronics LLC 功能描述: 制造商:Maxim Integrated Products 功能描述:
MAX3248ECAI+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 安裝風格:SMD/SMT 封裝 / 箱體:LQFP-100 封裝:
MAX3248ECAI-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 安裝風格:SMD/SMT 封裝 / 箱體:LQFP-100 封裝:
MAX3248EEAI 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 安裝風格:SMD/SMT 封裝 / 箱體:LQFP-100 封裝:
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