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參數(shù)資料
| 型號： | MAX1488EEPD |
| 廠商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分類： | 通用總線功能 |
| 英文描述： | 5V High-Speed RS-232 Transceivers with 0.1uF Capacitors |
| 中文描述： | QUAD LINE DRIVER, PDIP14 |
| 封裝： | 0.300 INCH, PLASTIC, MS-001AC, DIP-14 |
| 文件頁數(shù)： | 4/8頁 |
| 文件大?。?/td> | 104K |
| 代理商： | MAX1488EEPD |
M
_______________Detailed Desc ription
The MAX1488E provides ±15kV of ESD protection when
operating or when powered down. After an ESD event,
the MAX1488E will not latch up. Internal slew-rate-limit-
ing circuitry eliminates the need for external capacitors.
The MAX1488E has a guaranteed 120kbps data rate.
Outputs
Tables 1 and 2 describe the output states. The output
voltage level is affected by both the load current and
supply voltage, and is stable over temperature. Refer to
the Typical Operating Characteristics to see how the
output voltage varies with supply voltage, load capaci-
tance, and temperature.
Table 1. Driver A Functions
Table 2. Driver B–D Functions
Inputs
The driver inputs determine the driver output states
(Tables 1 and 2). Driver inputs B, C, and D have two
inputs.
Connect unused inputs to ground or V
CC
.
±15kV ES D Protec tion
As with all Maxim devices, ESD-protection structures
are incorporated on all pins to protect against electro-
static discharges encountered during handling and
assembly. The MAX1488E driver outputs have extra
protection against static electricity found in normal
operation. Maxim’s engineers developed state-of-the-
art structures to protect these pins against ESD of
±15kV, without damage. After an ESD event, the
MAX1488E keeps working without latchup.
ESD protection can be tested in various ways; the
transmitter outputs are characterized for protection to
the following:
1) ±15kV using the Human Body Model
2) ±6kV using the Contact-Discharge Method specified
in IEC1000-4-2 (formerly IEC801-2)
3) ±15kV using the Air-Gap Method specified in
IEC1000-4-2 (formerly IEC801-2).
ESD Test Conditions
ESD performance depends on a number of conditions.
Contact Maxim for a reliability report that documents
test setup, methodology, and results.
Human Body Model
Figure 2a shows the Human Body Model, and Figure
2b shows the current waveform it generates when dis-
charged into a low impedance. This model consists of
a 100pF capacitor charged to the ESD voltage of inter-
est, which is then discharged into the test device
through a 1.5k
resistor.
±15kV ES D-Protec ted, Quad, Low-Power
RS -232 Line Driver
4
_______________________________________________________________________________________
_____________________Pin Desc ription
NAME
FUNCTION
1
V
EE
-4.5V to -13.2V Supply Voltage Input
2, 4, 5, 9,
10, 12, 13
INPUT_
Driver Inputs
PIN
3, 6, 8, 11
OUTPUT_
Driver Outputs
7
GND
Ground
14
V
CC
+4.5V to +13.2V Supply Voltage Input
t
F2
t
F1
T
PHL
T
PLH
t
R1
t
R2
1.5V
3.0V
0V
0V
DRIVER
INPUT
V
OUT
V
OH
V
OL
3.3V
3.0V
-3.0V
-3.3V
R
L
C
L
SIGNAL
GENERATOR
Figure 1. Slew-Rate Test Circuit and Timing Diagram
INPUT A
H
L
OUTPUTA
L
H
INPUT_1
H
L
X
INPUT_2
H
X
L
OUTPUT_
L
H
H
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| MAX1488EEPD+ | 功能描述:RS-232接口集成電路 Quad RS-232 Line Driver 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: |
| MAX1488EESD | 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: |
| MAX1488EESD+ | 功能描述:RS-232接口集成電路 Quad RS-232 Line Driver 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: |
| MAX1488EESD+T | 功能描述:RS-232接口集成電路 Quad RS-232 Line Driver 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: |
| MAX1488EESD-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: |
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