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參數資料
| 型號： | ALD555 |
| 廠商： | Advanced Linear Devices, Inc. |
| 英文描述： | 112dB 192kHz 24-BIT SCH DAC |
| 中文描述： | 一一二分貝192kHz的24位三星援 |
| 文件頁數： | 1/4頁 |
| 文件大小： | 35K |
| 代理商： | ALD555 |
Operating Temperature Range *
-55
°C to +125°C0°C to +70°C0°C to +70°C
8-Pin
CERDIP
Small Outline
Plastic Dip
Package
Package (SOIC)
Package
ALD555 DA
ALD555 SA
ALD555 PA
APPLICATIONS
High speed one-shot (monostable)
pulse generation
Precision timing
Sequential timing
Long delay timer
Pulse width and pulse position
modulation
Missing pulse detector
Frequency divider
ADVANCED
LINEAR
DEVICES, INC.
ALD555
HIGH SPEED CMOS TIMER
GENERAL DESCRIPTION
The ALD555 timer is a high performance monolithic timing circuit built with
advanced silicon gate CMOS technology. It offers the benefits of high
input impedance, thereby allowing smaller timing capacitors and longer
timing cycle; high speed, with typical cycle time of 500ns; low power
dissipation for battery operated environment; reduced supply current
spikes, allowing smaller and lower cost decoupling capacitors. It is
capable of producing accurate time delays and oscillations in both
monostable and astable operation. It operates in the one-shot (mono-
stable) mode or 50% duty cycle free running oscillation mode with a single
resistor and one capacitor. The inputs and outputs are fully compatible
with CMOS, NMOS or TTL logic.
There are three matched internal resistors (approximately 200K
each)
that set the threshold and trigger levels at two-thirds and one-third
respectively of V+
.
These levels can be adjusted by using the control
terminal (pin 5). When the trigger input is below the trigger level, the
output is in the high state and sourcing 2mA. When threshold input is
above the threshold level at the same time the trigger input is above the
trigger level, the internal flip-flop is reset, the output goes to the low state
and sinks up to 10mA. The reset input overrides all other inputs and when
it is active (reset voltage less than 1V), the output is in the low state.
FEATURES
Functional equivalent to NE555 with greatly expanded high
and low frequency ranges
High speed, low power, monolithic CMOS technology
Low supply current 100
A typical
Extremely low trigger, threshold and reset currents -- 1pA typical
High speed operation -- 2MHz oscillation
Low operating supply voltage 2 to 12V
Operates in both monostable and astable modes
Fixed 50% duty cycle or adjustable duty cycle
CMOS, NMOS and TTL compatible input/output
High discharge sinking current (80mA)
Low supply current spikes
PIN CONFIGURATION
BLOCK DIAGRAM
GROUND
TRIGGER
OUTPUT
RESET
TOP VIEW
DA, PA, SA PACKAGE
DISCHARGE
THRESHOLD
7
CONTROL
3
1
2
4
6
8
5
V+
OUTPUT
(3)
DISCHARGE
(7)
RESET
(4)
R
S
R
TRIGGER
(2)
GND
(1)
CONTROL
(5)
THRESHOLD
(6)
V+
(8)
ORDERING INFORMATION
* Contact factory for industrial temperature range
1998 Advanced Linear Devices, Inc. 415 Tasman Drive, Sunnyvale, California 94089 -1706 Tel: (408) 747-1155 Fax: (408) 747-1286 http://www.aldinc.com
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相關代理商/技術參數 |
參數描述 |
|---|---|
| ALD555-1DA | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Analog Timer Circuit |
| ALD555-1PA | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Analog Timer Circuit |
| ALD555-1PAL | 功能描述:計時器和支持產品 2% CMOS Timer 2MHz RoHS:否 制造商:Micrel 類型:Standard 封裝 / 箱體:SOT-23 內部定時器數量:1 電源電壓-最大:18 V 電源電壓-最小:2.7 V 最大功率耗散: 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝:Reel |
| ALD555-1SA | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Analog Timer Circuit |
| ALD555-1SAL | 功能描述:計時器和支持產品 2% CMOS Timer 2MHz RoHS:否 制造商:Micrel 類型:Standard 封裝 / 箱體:SOT-23 內部定時器數量:1 電源電壓-最大:18 V 電源電壓-最小:2.7 V 最大功率耗散: 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝:Reel |
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