DynamEQ flexibility programmable parameters 24dB/oct state variable fi

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DynamEQ flexibility programmable parameters 24dB/oct state variable fi

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GA3201 Programmable DynamEQ®II
DynamEQ flexibility programmable parameters 24dB/oct state variable filter twin average detectors handles high input levels drives class integrated receivers
thinSTAXPACKAGING Hybrid typical dimensions: 0.200 0.115 0.066in. (5.08 2.92 1.68mm)
GA3201 programmable hybrid composed DynamEQ®II Wide Dynamic Range Compression signal processor GP522 controller memory chip. hybrid incorporates 24dB/oct filtering. gain frequency response dependent user's environment. Twin Average Detector circuit optimized sound quality during normal listening without sacrificing comfort during sudden loud sounds. GA3201 features programmable parameters: independent compression ratio adjustment High frequency channels, adjustment, threshold adjustment, crossover frequency adjustment adjustment. output stage designed preamplifier class integrated receiver.
GA3201
GA3201
200k 200k
GP522
CFAD
VBAT
CSAD
VREG
REGULATOR
VREG 49k5
SLOW AVERAGE DETECTOR
FAST AVERAGE DETECTOR
85k6
42k8
CONTROL
RECTIFIER
Frequency Expander Compressor
AGC_IN
AOUT 69k5 200k
24dB/oct BAND SPLIT FILTER
High Frequency Expander Compressor
0µ14 500k
13k1 FOUT
BOUT 100k
resistors ohms, capacitors farads, unless otherwise stated.
BOUT
BLOCK DIAGRAM
Revision Date: September 1999
Document
GENNUM CORPORATION P.O. 489, Stn. Burlington, Ontario, Canada tel. (905) 632-2996 Site: www.gennum.com E-mail: hipinfo@gennum.com
ABSOLUTE MAXIMUM RATINGS
PARAMETER Supply Voltage Power Dissipation Operating Temperature Range VALUE -10° -20°
CONNECTION
VREG
GA3201
Storage Temperature Range CAUTION
ELECTROSTATIC SENSITIVE DEVICES
OPEN PACKAGES HANDLE EXCEPT STATIC-FREE WORKSTATION
BOUT
VBAT
ELECTRICAL CHARACTERISTICS
Conditions: Supply Voltage Frequency kHz, Temperature 25°C. programmable parameters adjusted following values unless otherwise specified. (MPO) Tap15; (TH) (FC) (HP) (LP) (VC)
PARAMETER Hybrid Current Minimum Voltage Total Harmonic Distortion with Maximum Allowable Input Input Referred Noise Total System Gain Regulator Voltage Lower Threshold Upper Threshold Compression Gain Range System Gain Compression Min. Compression Ratio
SYMBOL IAMP THDM VREG
CONDITIONS
1000
UNITS µVRMS
-40dBV 1kHz -23dBV, Aweighted filter -90dBV ILOAD 30µA
THLO THHI CMP1 Gain(-90dBVIN) -Gain(-30dBVIN) =-60dBV VIN=3kHz, -60dBV -40dBV,
-88.5 36.5
-84.5 39.5
-80.5 42.5
Ratio
Max. Comp. Ratio CMP4
=3kHz, -60dBV -40dBV, Ratio
Fast Average Detector Time Constant Slow Average Detector Time Constant FILTER Maximum Crossover Frequency Nominal Crossover Frequency Minimum Crossover Frequency Filter Rolloff Rate
FAST SLOW
c_max c_nom c_min
dB/oct
ELECTRICAL CHARACTERISTICS continued
Conditions: Supply Voltage 1.3V, Frequency 1kHz, Temperature 25°C programmable parameters adjusted following values unless otherwise specified. (MPO) (TH) (FC) (HP) (LP) (VC)
PARAMETER STAGE Open Loop Gain Input Impedance OUTPUT STAGE Stage Gain Output Level Range Output Resistance
SYMBOL
CONDITIONS
10.6
UNITS
GA3201
AOL_B
ROUT
VIN=-30dBV VIN=-25dBV, RVCEXT=221k RVCEXT=221k
11.6
13.6
15.6
conditions parameters remain shown Test Circuit unless otherwise specified CONDITIONS column.
GA3201
200k 200k VBAT CSAD
REGULATOR SLOW AVERAGE DETECTOR
GP522
CFAD
VREG 49k5
FAST AVERAGE DETECTOR
85k6
42k8
CONTROL
RECTIFIER
Frequency Expander Compressor
AGC_IN
BAND SPLIT FILTER
High Frequency Expander Compressor
0µ14 500k
13k1 AOUT FOUT
BOUT 100k
69k5
200k
resistors ohms, capacitors farads, unless otherwise stated.
Fig. Test Circuit
116k
GA3201
200k 200k VBAT CSAD
REGULATOR SLOW AVERAGE DETECTOR
GP522
CFAD
GA3201
VREG
FAST AVERAGE DETECTOR
85k6
42k8
CONTROL
RECTIFIER
Frequency Expander Compressor
Knowles Microtronic microphone
49k5
AGC_IN
BAND SPLIT FILTER
High Frequency Expander Compressor
Knowles class integrated receiver
0µ14 500k
13k1 AOUT FOUT
BOUT 100k
69k5
200k
resistors ohms, cpacitors farads, unless otherwise shown.
100k
Fig. Typical Application Circuit
1.3V
GA3201
200k 200k VBAT CSAD
REGULATOR SLOW AVERAGE DETECTOR
GP522
CFAD
VREG
FAST AVERAGE DETECTOR
85k6
42k8
CONTROL
RECTIFIER
0µ14 69k5 200k
49k5 -80dBV
AGC_IN
13k1 AOUT
BAND SPLIT FILTER
High Frequency Expander Compressor
PINK NOISE GENERATOR
Frequency Expander Compressor
FOUT
BOUT 100k
PROGRAMMER
500k
resistors ohms, cpacitors farads, unless otherwise shown.
TABLE DEFAULTS
Fig. Characterization Circuit (Used generate typical curves)
BATTERY
MICROPHONE
VBAT BOUT
VREG
PROGRAMMER
Fig. Typical Assembly Diagram
TYPICAL PERFORMANCE CURVES
-80dBV
OUTPUT LEVEL (dBV)
-100
GAIN (dB)
INPUT LEVEL (dBV)
RESISTOR TAPS (Tap 200k)
Fig. Transfer Function Different Compression Ratios (High Frequency Channel)
Fig. High Frequency Gain (Compression Ratio Adjustment)
1kHz
-80dBV
OUTPUT LEVEL (dBV)
-100
GAIN (dB)
INPUT LEVEL (dBV)
RESISTOR TAPS (Tap 200k)
Fig. Transfer Function Different Compression Ratios (Low Frequency Channel)
Fig. Frequency Gain (Compression Ratio Adjustment)
RECEIVER
GA3201
-80dBV
-80dBV
GAIN (dB)
GAIN (dB)
GA3201
FREQUENCY (Hz)
FREQUENCY (Hz)
Fig.
Frequency Response Different Crossover Frquency Steps
Fig. Frequency Response Different Crossover Frequency Steps
-80dBV
-80dBV
CROSSOVER FREQUENCY (Hz)
GAIN (dB)
FREQUENCY (Hz)
RESISTOR TAPS (Tap 69.5k,
Fig.
Crossover Frquency Representation
Fig. Crossover Frequency Adjustment
R6-Tap R3-Tap
OUTPUT THRESHOLD LEVEL (dBV)
=1kHz
OUTPUT LEVEL (dBV)
R2-Tap
R2-Tap
-100
INPUT LEVEL (dBV)
Fig. Transfer Function Different Thresholds
RESISTOR TAPS (Tap 49.5k,
Fig. Threshold Adjustment
OUTPUT LEVEL (dBV)
OUTPUT LEVEL (dBV)
GA3201
INPUT LEVEL (dBV)
Fig. Transfer Function Different Steps
RESISTOR TAPS (Tap 100k,
Fig. Adjustment
-40dBV
1kHz
NOISE
NOISE
0.1k 1.0k
FREQUENCY (Hz)
INPUT LEVEL (dBV)
Fig. Noise Frequency
Fig. Noise Input
-40dBV 200Hz
4kHz 200Hz
100k 0.01
FREQUENCY (Hz)
INPUT LEVEL (dBV)
Fig. Intermodulation Distortion (CCIF) Frequency
Fig. Intermodulation Distortion (CCIF) Input Level
200k
PACKAGE DIMENSIONS
100k
GAIN (dB)
GA3201
GA3201 xxxxxx
FREQUENCY (Hz)
Fig. Frequency Response Different Values
0.071 (1.80)
VREG 0.115 (2.92)
BOUT
VBAT
0.200 (5.08)
Dimensions inches. Dimensions parenthesis millimetres converted from inches include minor rounding errors. 1.0000 inches 25.400 Dimension tolerances 0.003 0.08) unless otherwise stated. Minimum size 0.0285 0.0400 (0.724 1.016). XXXXXX work order number. This hybrid designed either point-to-point manual soldering reflowed according Gennum's recommended reflow process (Information Note 521-45).
GENNUM CORPORATION
MAILING ADDRESS: P.O. 489, Stn. Burlington, Ontario, Canada Tel. (905) 632-2996 (905) 632-2814 SHIPPING ADDRESS: Fraser Drive, Burlington, Ontario, Canada
REVISION NOTES:
thinSTAXadded. Change max. supply voltage.
GENNUM JAPAN CORPORATION
C-101, Miyamae Village, 2-10-42 Miyamae, Suginami-ku, Tokyo 168-0081, Japan Tel. 3334-7700 Fax: 3247-8839
DOCUMENT IDENTIFICATION: PRELIMINARY DATA SHEET product preproduction phase specifications subject change without notice.
Gennum Corporation assumes responsibility circuits described herein makes representations that they free from patent infringement. Copyright March 1998 Gennum Corporation. rights reserved.
Printed Canada.

DynamEQ flexibility programmable parameters 24dB/oct state variable fi

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