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参数资料
| 型号： | M-982-02T |
| 厂商： | CLARE INC |
| 元件分类： | 信令电路 |
| 英文描述： | Precise Call Progress Tone Detector |
| 中文描述： | TELECOM, TONE DECODER CIRCUIT, PDSO20 |
| 封装： | PLASTIC, SOIC-20 |
| 文件页数： | 1/7页 |
| 文件大小： | 200K |
| 代理商： | M-982-02T |
www.clare.com
DS-M982-02-R4
M-982-02
Precise Call Progress Tone Detector
1
Description
Features
Precise detection of call progress tones
Linear (analog) input
Digital (CMOS compatible), tri-state outputs
22-pin DIP and 20-pin SOIC
Single supply 3 to 5 volt (low power CMOS)
Inexpensive 3.58 MHz crystal time base
Wide dynamic range (30 dB)
Lower power consumption (power-down mode)
425 Hz detection
Applications
Automatic dialers
Dialing modems
Traffic
Measurement equipment
Test equipment
Service evaluation
Billing systems
The M-982-02 is an integrated circuit precise tone
detector for special-purpose use in automatic following
of switched telephone calls. The circuit uses low-
power CMOS techniques to provide the complete fil-
tering and control required for this function. The basic
timing of the M-982-02 is designed to permit operation
with almost any progress tone system.The use of inte-
grated circuit techniques allows the M-982-02 to pack
the five filters for call progress following into a single
22-pin DIP or 20-pin SOIC. A 3.58 MHz crystal-con-
trolled time base guarantees accuracy and repeatabil-
ity.
The M-982-02 is an enhanced drop-in replacement for
the M-982-01. It has a wider operating voltage range
(down to 3V). It has lower power consumption under
normal operating conditions. In addition, a power-
down (PD) feature is provided to further reduce power
consumption when inactive. It includes a 425 Hz
detector to support common international call progress
requirement.
Block Diagram
Ordering Information
Part #
Description
M-982-02P
22-pin plastic DIP
M-982-02S
20-pin plastic SOIC
M-982-02T
20-pin plastic SOIC,Tape and Reel
Pin Diagram
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