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PDF MX105A Data sheet ( Hoja de datos )
| Número de pieza | MX105A | |
| Descripción | Tone Detector | |
| Fabricantes | CML | |
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DATA BULLETIN
MX105A Tone Detector
• FEATURES
• Operates in High Noise Conditions
• ≥36 dB Signal Input Range
• High Sensitivity
• Low Power Operation 2.7 V to 5.5 V
• Adjustable Bandwidth
• Adjustable Frequency
PRELIMINARY INFORMATION
• APPLICATIONS
• Single and Multitone System
Applications
C4
C2A 7
8
C2B
R2
4
Loop
Filter
-+
Tone In
C5
R3
2 Input Amp 1
3
- VDD/2
Timing
Logic
Detect
Filter
-+
VDD
16
5 C3A
6
C3B
C6
11
R4
12
VCO
Detect Counter
13 15 14
MX105A
C1B R1
C1A
10
9
Detect
RL Out
The MX105A is a monolithic CMOS tone detector for tone decoding in single and multitone signaling systems. Using
phase locked loop (PLL) decoding techniques, the MX105A recognizes tones in the presence of high noise levels and
strong adjacent channel tones. Detection frequency and bandwidth can each be independently adjusted. The design is
immune to high levels of harmonic and sub-harmonic noise. It also maintains excellent noise immunity and constant
bandwidth over a wide range of input signal levels.
The MX105A requires a voltage supply of 2.7V to 5.5V and is available in the following package styles: 16-pin SOIC
(MX105ADW), 16-pin PDIP (MX105AP), and 24-pin PLCC (MX105ALH).
© 1997 MX•COM, INC.
www.mxcom.com Tele: 800 638 5577 910 744 5050 Fax: 910 744 5054
Doc.# 20480133.003
4800 Bethania Station Road, Winston-Salem, NC 27105-1201 USA
All trademarks and service marks are held by their respective companies.
1 page  
Tone Detector
3. External Components
5
MX105A PRELIMINARY INFORMATION
C5
Signal Input
1
2
R3
3
R2
4
C4
C3A
C3B
C2A
C2B
5
D1
6
7
8
MX105A
VDD
16
R1F R1V
C6
15
C1A
14
C1B
13
R4
12
11
VSS
10
RL
9
Detect Out
Figure 2: Recommended External Components
R1F See Section 5.2 300kΩ
R1V See Section 5.2 100kΩ
R2 See Section 5.6
R3 See Section 5.8
R4 See Section 5.5
RL Note 4
C1A See Section 5.2
Note 2
C1B See Section 5.2
Note 2
20kΩ
±20%
C2A See section 5.6
Note 2
C2B See Section 5.6
Note 2
C3A See Section 5.8
Note 2
C3B See Section 5.8
Note 2
C4 See Section 5.11
Note 1, 2
C5 0.27µF ±20%
C6 0.1µF ±20%
D1 See Section 5.9 small signal
Note 3
diode (1N914)
External Components Notes:
1. For improved performance, C4 may be chosen to provide 30° phase shift at the VCO loop filter input.
2. For compatibility with the MX105; capacitors (C1 - C4) may be connected to VDD instead of VSS.
3. For improved de-response time, a diode (D1) may be added.
4. Any value load resistance (RL) may be used, providing the maximum load current does not exceed the value
given in ‘Maximum Ratings Specifications’.
© 1997 MX•COM, INC.
www.mxcom.com Tele: 800 638 5577 910 744 5050 Fax: 910 744 5054
Doc.# 20480133.003
4800 Bethania Station Road, Winston-Salem, NC 27105-1201 USA
All trademarks and service marks are held by their respective companies.
5 Page 
Tone Detector
6. Performance Specification
11
MX105A PRELIMINARY INFORMATION
6.1 Electrical Performance
6.1.1 Absolute Maximum Ratings
Exceeding these maximum ratings can result in damage to the device.
General
Supply (VDD - VSS)
Voltage on any pin (wrt VSS)
Current
VDD
VSS
Any other pins
Max. Output Switch Load Current
P/LH/DW Package
Device Dissipation at TAMB = 25°C
Derating above 25°C
Storage Temperature
Operating Temperature
Min.
-0.3
-0.3
-30
-30
-20
-40
-30
Max.
7.0
VDD + 0.3
30
30
20
10
800
13
85
85
Units
V
V
mA
mA
mA
mA
mW
mW/°C above 25°C
°C
°C
6.1.2 Operating Limits
Correct operation of the device outside these limits is not implied.
Supply (VDD - VSS)
Operating Temperature
Notes
Min.
2.7
-30
Typ.
3.3/5.0
Max.
5.5
85
Units
V
°C
© 1997 MX•COM, INC.
www.mxcom.com Tele: 800 638 5577 910 744 5050 Fax: 910 744 5054
Doc.# 20480133.003
4800 Bethania Station Road, Winston-Salem, NC 27105-1201 USA
All trademarks and service marks are held by their respective companies.
11 Page | ||
| Páginas | Total 15 Páginas | |
| PDF Descargar | [ Datasheet MX105A.PDF ] | |
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