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參數資料
| 型號： | ALD2502PBL |
| 廠商： | Advanced Linear Devices Inc |
| 文件頁數： | 1/10頁 |
| 文件大小： | 0K |
| 描述： | IC TIMER CMOS DUAL HS 14PDIP |
| 標準包裝： | 50 |
| 類型： | 555 型，計時器/振蕩器（雙路） |
| 頻率： | 2.5MHz |
| 電源電壓： | 2 V ~ 12 V |
| 電流 - 電源： | 100µA |
| 工作溫度： | 0°C ~ 70°C |
| 封裝/外殼： | 14-DIP（0.300"，7.62mm） |
| 包裝： | 管件 |
| 供應商設備封裝： | 14-PDIP |
| 安裝類型： | 通孔 |
| 其它名稱： | 1014-1128 |
Rev 2.0 2010 Advanced Linear Devices, Inc. 415 Tasman Drive, Sunnyvale, CA 94089-1706 Tel: (408) 747-1155 Fax: (408) 747-1286
www.aldinc.com
ADVANCED
LINEAR
DEVICES, INC.
SINGLE/DUAL PRECISION HIGH SPEED MICROPOWER TIMER
ALD1502/ALD2502
BLOCK DIAGRAM (EACH TIMER)
OUTPUT
(3)
DISCHARGE
(7)
RESET
(4)
R
S
R
TRIGGER
(2)
GND
(1)
CONTROL
(5)
THRESHOLD
(6)
V+
(8)
* Contact factory for leaded (non-RoHS) or high temperature versions.
Operating Temperature Range *
0°C to +70°C0°C to +70°C
-55°C to +125°C
8-Pin Small Outline
8-Pin Plastic
8-Pin CERDIP
Package (SOIC)
DIP Package
Package
ALD1502SAL
ALD1502PAL
ALD1502DA
14-Pin Small Outline
14-Pin Plastic
14-Pin CERDIP
Package (SOIC)
DIP Package
Package
ALD2502SBL
ALD2502PBL
ALD2502DB
ORDERING INFORMATION (“L” suffix denotes lead-free (RoHS))
GENERAL DESCRIPTION
The ALD1502/ALD2502 timers are high performance single/dual mono-
lithic timing circuits built with advanced silicon gate CMOS technology.
They offer the benefits of high input impedance, thereby allowing
smaller timing capacitors and a longer timing cycle; high speed, with
typical cycle time of 400ns; low power dissipation for battery operated
environment; reduced supply current spikes, allowing smaller and
lower cost decoupling capacitors.
Each timer is capable of producing accurate time delays and oscilla-
tions in both monostable and astable operation, and operates in the
one-shot (monostable) 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. When the trigger input is below the trigger level, the output is
in the high state and sourcing 2mA. When the 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
High speed operation -- 2.5MHz typical oscillation at 5V
High discharge sinking current of 80mA at 5V
Guaranteed low operating supply voltage of 2V to 12V
Functional equivalent to and same pin-out as NE555/NE556
with greatly expanded high and low frequency ranges
High speed, low power, monolithic CMOS technology
Low supply current: 50A typical for ALD1502
and100A typical for ALD2502
Extremely low trigger, threshold and reset currents: 10pA typical
Operates in both monostable and astable modes
Fixed 50% duty cycle or adjustable duty cycle
CMOS, NMOS and TTL compatible input/output
Low supply current spikes
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
Synchronized timer
PIN CONFIGURATION
SAL, PAL, DA PACKAGES
1
2
3
4
8
7
6
5
GND
TRIG
OUT
RST
V+
DISC
THRES
CONT
ALD1502
SBL, PBL, DB PACKAGES
DSC1
THRES1
CONT1
RST1
OUT1
TRIG1
GND
TRIG2
OUT2
RST2
CONT2
THRES2
DSC2
V+
2
3
4
5
6
7
9
10
11
12
13
14
1
8
ALD2502
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相關代理商/技術參數 |
參數描述 |
|---|---|
| ALD2502SB | 功能描述:計時器和支持產品 Dual/Micropwr 2-12V 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 |
| ALD2502SBL | 功能描述:計時器和支持產品 Dual/Micropwr 2-12V 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 |
| ALD2504DB | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Analog Timer Circuit |
| ALD2504PB | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Analog Timer Circuit |
| ALD2504SB | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Analog Timer Circuit |
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