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參數(shù)資料
| 型號(hào)： | ADM560 |
| 廠商： | Analog Devices, Inc. |
| 英文描述： | Ultralow Power, +3.3 V, RS-232 Notebook PC Serial Port Drivers/Receivers(超低功耗,RS-232筆記本電腦串行口驅(qū)動(dòng)器/接收器) |
| 中文描述： | 超低功耗，3.3伏特和RS - 232串口筆記本電腦驅(qū)動(dòng)器/接收器（超低功耗，RS - 232接口筆記本電腦串行口驅(qū)動(dòng)器/接收器） |
| 文件頁(yè)數(shù)： | 1/6頁(yè) |
| 文件大?。?/td> | 228K |
| 代理商： | ADM560 |
One Technology Way, P.O. Box 9106, Norwood. MA 02062-9106, U.S.A.
Tel: 617/329-4700
Fax: 617/326-8703
FUNCTIONAL BLOCK DIAGRAM
REV. 0
Information furnished by Analog Devices is believed to be accurate and
reliable. However, no responsibility is assumed by Analog Devices for its
use, nor for any infringements of patents or other rights of third parties
which may result from its use. No license is granted by implication or
otherwise under any patent or patent rights of Analog Devices.
a
Ultralow Power, +3.3 V, RS-232
Notebook PC Serial Port Drivers/Receivers
ADM560/ADM561
FEATURES
RS-232 Compatible
Operates with 3 V or 5 V Logic
Ultralow Power CMOS: 1.3 mA Operation
Low Power Shutdown: 0.2
μ
A
Suitable for Serial Port Mice
116 kbits/s Data Rate
1
μ
F Charge Pump Capacitors
Single +3 V to +3.6 V Power Supply
Two Receivers Active in Shutdown (ADM560)
APPLICATIONS
Laptop Computers
Palmtop Computers
Notebook Computers
Peripherals
Modems
Printers
Battery Operated Equipment
GENERAL DESCRIPTION
The ADM560/ADM561 are four driver/five receiver interface
devices designed to meet the EIA-232 standard while operating
with a single +3.3 V power supply. The devices feature an on-
board dc-to-dc converter, eliminating the need for dual
±
5 V
power supplies. This dc-dc converter contains a voltage doubler
and voltage inverter which internally generates
±
6.6 V from the
input +3.3 V power supply.
The ADM560 and ADM561 consume only 5 mW making
them ideally suited for battery and other power-sensitive appli-
cations. A shutdown facility is also provided which reduces the
power to 0.66
μ
W.
The ADM560 contains active low shutdown and active high
receiver enable signals. In shutdown mode, two receivers remain
active thereby allowing monitoring of peripheral devices. This
feature allows the device to be shut down until a peripheral
device begins communication. The active receivers can alert the
processor which can then take the ADM560 out of the shut-
down mode.
The ADM561 features active high shutdown and an active
low receiver enable. In this device all receivers are disabled in
shutdown.
The ADM560/ADM561 is fabricated using CMOS technology
for minimal power consumption. It features a high level of over-
voltage protection and latch-up immunity. The receiver inputs
ADM560
ADM561
GND
10
SHDN (ADM561)
SHDN
(ADM560)
25
CMOS
OUTPUTS
24
R5
IN
R5
OUT
R5
18
19
R4
IN
R4
OUT
R4
23
22
R1
IN
R1
OUT
R1
R3
IN
R3
OUT
R3
27
26
9
R2
IN
R2
OUT
R2
4
5
8
T1
IN
EIA/TIA-232
OUTPUTS
CMOS
INPUTS
T1
OUT
T3
IN
T3
OUT
T3
20
7
2
1
T1
+3.3V TO +6.6V
VOLTAGE
DOUBLER
+6.6V TO –6.6V
VOLTAGE
INVERTER
16
15
14
12
17
1
μ
F
10V
13
1
μ
F
6.3V
+3.3V INPUT
V
CC
V+
V–
C1+
C1–
C2+
C2–
1
μ
F
10V
1
μ
F
10V
T4
IN
T4
OUT
T4
21
28
11
0.1
μ
F
T2
IN
T2
OUT
6
3
T2
EIA/TIA-232
INPUTS
EN (ADM560)
EN
(ADM561)
can withstand up to
±
25 V levels. The transmitter inputs can be
driven from either 3 V or 5 V logic levels. This allows operation
in mixed 3 V/5 V power supply systems.
The ADM560/ADM561 is packaged in a 28-pin SO and a
28-pin SSOP package.
ORDERING GUIDE
Model
Temperature Range
Package Option
ADM560JR
ADM560JRS
0
°
C to +70
°
C
0
°
C to +70
°
C
R-28
RS-28
ADM561JR
ADM561JRS
0
°
C to +70
°
C
0
°
C to +70
°
C
R-28
RS-28
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| ADM560_06 | 制造商:AD 制造商全稱:Analog Devices 功能描述:Ultralow Power +3.3 V, RS-232 Notebook PC Serial Port Drivers/Receivers |
| ADM560AR | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| ADM560JR | 功能描述:IC TXRX RS232 4:5 3.3V LP 28SOIC RoHS:否 類別:集成電路 (IC) >> 接口 - 驅(qū)動(dòng)器，接收器，收發(fā)器 系列:- 標(biāo)準(zhǔn)包裝:27 系列:- 類型:收發(fā)器 驅(qū)動(dòng)器/接收器數(shù):3/3 規(guī)程:RS232，RS485 電源電壓:4.75 V ~ 5.25 V 安裝類型:表面貼裝 封裝/外殼:28-SOIC（0.295"，7.50mm 寬） 供應(yīng)商設(shè)備封裝:28-SOIC 包裝:管件 |
| ADM560JR-REEL | 功能描述:IC TXRX RS232 4:5 3.3V LP 28SOIC RoHS:否 類別:集成電路 (IC) >> 接口 - 驅(qū)動(dòng)器，接收器，收發(fā)器 系列:- 標(biāo)準(zhǔn)包裝:27 系列:- 類型:收發(fā)器 驅(qū)動(dòng)器/接收器數(shù):3/3 規(guī)程:RS232，RS485 電源電壓:4.75 V ~ 5.25 V 安裝類型:表面貼裝 封裝/外殼:28-SOIC（0.295"，7.50mm 寬） 供應(yīng)商設(shè)備封裝:28-SOIC 包裝:管件 |
| ADM560JRS | 功能描述:IC TXRX RS232 4:5 3.3V LP 28SSOP RoHS:否 類別:集成電路 (IC) >> 接口 - 驅(qū)動(dòng)器，接收器，收發(fā)器 系列:- 標(biāo)準(zhǔn)包裝:27 系列:- 類型:收發(fā)器 驅(qū)動(dòng)器/接收器數(shù):3/3 規(guī)程:RS232，RS485 電源電壓:4.75 V ~ 5.25 V 安裝類型:表面貼裝 封裝/外殼:28-SOIC（0.295"，7.50mm 寬） 供應(yīng)商設(shè)備封裝:28-SOIC 包裝:管件 |
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