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參數(shù)資料
| 型號(hào)： | SP3249EEY |
| 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)： | 3/14頁 |
| 文件大小： | 128K |
| 代理商： | SP3249EEY |
3
Rev.4/08/02
SP3249E Intelligent +3.0V to +5.5V RS-232 Transceivers
Copyright 2002 Sipex Corporation
SPECIFICATIONS
V
= +3.0 to +5.5, C1 -C4 = 0.1
μ
F (tested at 3.3V + 5%), C1-C4 = 0.22
μ
F (tested at 3.3V + 10%), C1 = 0.047
μ
F, and C2-C4 = 0.33
μ
F (tested at 5.0V
+ 10%), T
A
= T
MIN
to T
MAX
, unless otherwise noted. Typical values are at T
A
= +25
°
C.)
PARAMETER
MIN.
TYP.
MAX.
UNITS
CONDITIONS
TIMING CHARACTERISTICS
Maximum Data Rate
250
kbps
R
= 3k
, C
= 1000pF, one
driver switching
Receiver Propagation Delay
t
PHL
0.15
μ
s
Receiver input to receiver
output, C
= 150pF
Receiver input to receiver
output, C
L
= 150pF
t
PLH
0.15
μ
s
Receiver Output Enable Time
200
ns
Normal operation
Receiver Output Disable Time
200
ns
Normal operation
Driver Skew
100
ns
I t
PLH
- t
PLH
I,T
A
= 25
°
C
Receiver Skew
50
ns
I t
PLH
- t
PLH
I
Transition-Region Slew Rate
30
V/
μ
s
V
CC
= 3.3V, R
= 3k
,
T
=25
°
C, measurements
taken from -3.0V to +3.0V or
+3.0V to -3.0V
TYPICAL PERFORMANCE CHARACTERISTICS
Unless otherwise noted, the following performance characteristics apply for V
CC
= +3.3V, 250kbps data rate, all drivers loaded with 3k
,
0.1
μ
F charge
pump capacitors, and T
AMB
= +25
°
C.
TRANSMITTER OUTPUT vs. LOAD CAPACITANCE
-6
-4
-2
0
2
4
6
0
1000
2000
3000
4000
5000
pF
VOH
VOL
SLEW RATE vs. LOAD CAPACITANCE
0
5
10
15
20
25
0
1000
2000
3000
4000
5000
pF
POS. SR
NEG SR
Figure 3. Supply Current vs. Load Capacitance when
Transmitting Data
SUPPLY CURRENT vs LOAD CAPACITANCE
0
10
20
30
40
50
60
0
1000
2000
3000
4000
5000
pF
250Kbps
120Kbps
20Kbps
Figure 1. Transmitter Output vs. Load Capacitance
Figure 2. Slew Rate vs. Load Capacitance
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| SP3249EEY-L | 功能描述:RS-232接口集成電路 Intel. +3V to +5.5V RS-232 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: |
| SP3249EEY-L/TR | 功能描述:RS-232接口集成電路 Intel. +3V to +5.5V RS-232 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: |
| SP3-2-50 | 制造商:RHOMBUS-IND 制造商全稱:Rhombus Industries Inc. 功能描述:SP3 Series Mini-SIP Passive Delay Modules |
| SP3-2-55 | 制造商:RHOMBUS-IND 制造商全稱:Rhombus Industries Inc. 功能描述:SP3 Series Mini-SIP Passive Delay Modules |
| SP3258ECY | 制造商:Exar Corporation 功能描述: |
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