mc33111p Lansdale Semiconductor, Inc., mc33111p Datasheet

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mc33111p

Manufacturer Part Number
mc33111p
Description
Low Voltage Compander
Manufacturer
Lansdale Semiconductor, Inc.
Datasheet

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Part Number:
MC33111P
Manufacturer:
MOT
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MC33111P
Manufacturer:
MOTOROLA/摩托罗拉
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Legacy Device: Motorola MC33111
ing and expanding the dynamic range of an audio signal. One circuit is config-
ured as an expander, and the other is configured as a compressor. Each circuit
has a full wave rectifier to provide average value information to a variable gain
cell located in either the input stage or the feedback path. An internal tempera-
ture stable bandgap reference provides the necessary precision voltages.
ently, and for pass through of both. Two uncommitted op amps are available
for peripheral functions.
over a temperature range of T A –40° to +85°C. It is designed to accommodate
a 60 dB dynamic range; from –40 dB to +20 dB referenced to 100 mVrms.
voice RF links, and any application where an improvement in the signal to
noise ratio is desired. Other applications include speakerphones and voice
activated intercoms, dictating machines, etc.
Page 1 of 12
The ML33111 contains two variable gain circuits configured for compress-
Included in the ML33111 are controls for muting each section independ-
The ML33111 will operate from a supply voltage of 3.0 V to 7.0 V , and
Applications include cordless telephone, CBs, walkie-talkies, and most
• Operating Supply Voltage: 3.0 V to 7.0 V
• Output Voltage Swing = 2.8 Vp-p with V CC = 3.0 V
• No Precision External Components Required
• 60 dB Dynamic Range Compressed to 30 dB, Re-expandable to 60 dB
• Unity Gain Level set at 100 mVrms
• Attack and Decay Times Adjustable
• Mute and passthrough Controls
• Two Uncommitted Op Amps
• Temperature Compensated Reference
• Available in Standard DIP and Surface Mount Packages
Microphone
Expander
Input
Compressor
Input
V+
1.0 µF
1.0 µF
0.5
0.5
14
10
11
9
3
5
ML33111
Vb
10 k
Simplified Block Diagram
Rectifier
∆ Gain
Vb
7
40 k
Vb
15 k
7.5 k
40 k
Rectifier
6
∆ Gain
Passthrough
Reference
Vb
Generator
Mute/
Logic
Bias &
20 k
www.lansdale.com
15
2
16
1
4
12
8
Expander
Output
Compressor
Output
ML33111
Low Voltage Compander
Silicon Monolithic Integrated Circuit
V CC
CM
EM
PT
CROSS REFERENCE/ORDERING INFORMATION
Note: Lansdale lead free (Pb) product, as it
becomes available, will be identified by a part
number prefix change from ML to MLE.
CM
X
0
1
0
PACKAGE
P DIP 16
SO 16
EM
X
0
1
0
PLASTIC PACKAGE
PLASTIC PACKAGE
16
TRUTH TABLE
16
PT
P DIP 16 = EP
MOTOROLA
X
X
SO 16 = -5P
0
1
CASE 751B
1
MC33111P
MC33111D
CASE 648
(SO-16)
1
Expander Mute
Passthrough
Comp. Mute
Function
Normal
ML33111-5P
ML33111EP
LANSDALE
Issue A

Related parts for mc33111p

mc33111p Summary of contents

Page 1

... CASE 648 -5P PLASTIC PACKAGE CASE 751B (SO-16) CROSS REFERENCE/ORDERING INFORMATION PACKAGE MOTOROLA LANSDALE P DIP 16 MC33111P ML33111EP SO 16 MC33111D ML33111-5P Note: Lansdale lead free (Pb) product becomes available, will be identified by a part number prefix change from ML to MLE. TRUTH TABLE ...

Page 2

... Symbol Value V CC – 0. – 0.5 IO+ Self-limiting IO– Self-limiting T stg – 65, +150 www.lansdale.com LANSDALE Semiconductor, Inc. Description Expansion Expander ∆ Gain 40 k Rectifier V out = Unit Vdc Vdc Vdc mA mA °C ...

Page 3

... 1.0 kHz 25°C, unless noted.) Symbol PTC G MTC V out I PK THD PSRR t AT(C) t D(C) Rin Vb IAS PTE G MTE V out I PK THD www.lansdale.com LANSDALE Semiconductor, Inc. Min Typ Max Unit 3.0 — 7.0 Vdc 0 — 1.3 Vrms 0 — 0.8 0 — 0.32 0 — 1.3 0 — ...

Page 4

... EMLH High-to-Low t EMHL Low-to-High t PCLH High-to-Low t PCHL Low-to-High t PELH High-to-Low t PEHL A VOL out I PK THD www.lansdale.com LANSDALE Semiconductor, Inc. Min Typ Max Unit dB — 74 — — 76 — — 62 — — 3.0 — ms — 14 — ...

Page 5

... Passthrough Compressor Expander Page (Typical performance based on device characterization, not guaranteed.) Characteristic Figure 1. Mute Timing t EMLH t CMLH Output Figure 2. Passthrough Timing Input Output Output www.lansdale.com LANSDALE Semiconductor, Inc. – 40°C +25°C + 85°C 1.2 mA 1.5 mA 1.6 mA 1.4 mA 1.7 mA 1.9 mA 1.495 V 1.5 V 1.505 V 0. – ...

Page 6

... Figure 8. Attack and Decay Times (Expander) Output (Pin 15) V2 360 mV Input (Pin 14) www.lansdale.com LANSDALE Semiconductor, Inc. Figure 4. Transfer Characteristics Compressor Expander 100 mVrms – INPUT VOLTAGE (dB 316 mVrms 100 mVrms 31.6 mVrms mVrms ...

Page 7

... Compressor 20 Expander www.lansdale.com LANSDALE Semiconductor, Inc. Decay Time Attack Time 1.0 2.0 3.0 4.0 C, CAPACITANCE AT PIN 11 (µF) Figure 12. Expander Gain Tracking versus Temperature Shaded area depicts typical drift range 10 mVrms ≤ ≤ 316 mVrms – AMBIENT TEMPERATURE (° ...

Page 8

... EIA-553. Figure 9 indicates how the times vary with the capacitor value. If the attack and decay times are decreased using a smaller capacitor, performance at low frequencies will degrade. www.lansdale.com LANSDALE Semiconductor, Inc 7 Output Issue A ...

Page 9

... The inputs must be kept with- in the range and GND input is taken more than 0.5 V above below GND excessive currents will flow, and the device’s operation will be distorted. www.lansdale.com LANSDALE Semiconductor, Inc. 11 1.0 µ ...

Page 10

... The ML33111 was designed for a two-to-one compression and expansion, i. dynamic signal is com- pressed dynamic range, transmitted to the receiving end, and then expanded back dynamic range. www.lansdale.com LANSDALE Semiconductor, Inc Expander Output ...

Page 11

... The larger the number, the better. Voiceband— That portion of the audio frequency range used for transmission in the telephone system. Typically it is 300-3400 Hz. Zero dB Point— The signal level which has its amplitude unchanged by a compressor or expander. www.lansdale.com LANSDALE Semiconductor, Inc. Issue A ...

Page 12

... Lansdale data sheets and/or specifications can vary in different applications, and actual performance may vary over time. All operating parameters, including “Typicals” must be validated for each customer application by the cus- tomer’s technical experts. Lansdale Semiconductor is a registered trademark of Lansdale Semiconductor, Inc. Page ...

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