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GA3216 の電気的特性と機能

GA3216のメーカーはON Semiconductorです、この部品の機能は「Pre-configured DSP System」です。


製品の詳細 ( Datasheet PDF )

部品番号 GA3216
部品説明 Pre-configured DSP System
メーカ ON Semiconductor
ロゴ ON Semiconductor ロゴ 




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GA3216 Datasheet, GA3216 PDF,ピン配置, 機能
FOUNDATION GA3216
Pre-configured DSP System
for Hearing Aids
Description
The Foundation GA3216 hybrid is a trimmerconfigurable DSP
system based on a twochannel compression circuit. It can efficiently
replace traditional hearingaid compression circuits without
compromising fundamental performance requirements.
A trimmer interface supports manual circuit configuration. It
continuously monitors trimmer positions and translates them into the
hearingaid parameters of choice. A serial data interface provides full
programmability at the factory and in the field.
The Foundation GA3216 includes inchannel squelch to attenuate
microphone and circuit noise in quiet environments. It also includes
lowdistortion compression limiting and programmable high and low
cut filters, as well as five configurable equalization filters. Unused
blocks can be powered down to save battery current, for example,
when using the device in singlechannel mode.
The Foundation GA3216 Hybrid code programmed into the
GC5020 controller chip is ‘1’.
Features
Efficient, High Fidelity 1 or 2Channel WDRC Signal Processing
Fully Programmable via Serial Data Interface
HighFidelity Audio Quality
Four Trimmer Inputs plus Volume Control
Flexible Trimmer/Parameter Assignments
Optional TwoTerminal or ThreeTerminal Trimmers
Choice of Wideband or Independent 2Channel Level Detection
Choice of Two Strategies for AGCI Parametric Adjustment
6, 12 or 24 dB/Octave Band Split Filter or Configurable as
SingleChannel Compressor
InChannel, Low Level Squelch Control (1:2 Expansion)
Output Compression Limiting (AGCO)
Flexible Preand PostEmphasis Filters
Four Independent Memories
PulseDensityModulated Output Stage Drives ZeroBias
2Terminal Receivers
High-Power Drive Capability
Unused Blocks can be Powered Down
thinSTAX® Packaging
Also Available as E1 RoHS Compliant Hybrid
thinSTAX Packaging
Hybrid Typical Dimensions:
0.190 x 0.123 x 0.060 in.
(4.82 x 3.12 x 1.52 mm)
www.onsemi.com
20 PAD
HYBRID
CASE TBD
MGND
MS2
MS
SDA
VB
PAD CONNECTION
IN T
15 16 17
1
14 18
13
19
12
11 20
2
3
4
5
6
VBP 10
9
8
7
OUTOUT+
(Bottom View)
VREG
TR1
TR2
TR3
VC
GND1
PGND
MARKING DIAGRAM
GA3216E1
XXXXXX
GA3216
E1
XXXXXX
= Specific Device Code
= RoHS Compliant Hybrid
= Work Order Number
ORDERING INFORMATION
See detailed ordering and shipping information on page 14 of
this data sheet.
© Semiconductor Components Industries, LLC, 2015
August, 2015 Rev. 12
1
Publication Order Number:
GA3216/D

1 Page





GA3216 pdf, ピン配列
FOUNDATION GA3216
Table 2. ELECTRICAL CHARACTERISTICS PART 1
(Conditions: Supply Voltage VB = 1.3 V; Temperature = 25°C, 16 kHz bandwidth)
Parameter
Symbol
Conditions
Min Typ Max Units
Hybrid Current
IAMP
All functions, 24 kHz sampling rate
540
mA
All functions, 32 kHz sampling rate
650
Minimum Operating Supply Voltage
Supply Voltage Turn On Threshold
Supply Voltage Hysteresis
Low Battery Warning Voltage
VBOFF
VBON
Ramp down
Ramp up
VBON VBOFF
Ramp down
0.95
0.980
V
1.065 1.10 1.160
V
150 mV
1.06 1.10 1.14
V
Supply Voltage During Communication
EEPROM Burn Cycles
VBC
During Communication
(Note 2)
1.20
100 k
1.30
V
cycles
Low Frequency System Bandwidth
− − 130 Hz
High Frequency System Bandwidth
32 kHz sampling frequency
24 kHz sampling frequency
16 kHz
12
Total Maximum System Gain
AV VIN = 95 dBV at 3 kHz; 82 83 84 dB
squelch disabled (Note 1)
Converter Gain
Total Harmonic Distortion
THD at Maximum Input
Clock Frequency
REGULATOR
ACONV
THD
THDM
fclk
A/D + D/A gain
VIN = 40 dBV
VIN = 14 dBV, HRX ON
28
1.963
29
2.048
30
1
3
2.115
dB
%
%
MHz
Regulator Voltage
Regulator Supply Rejection
VOLUME CONTROL AND TRIMMERS
VREG
PSRRREG
0.87 0.90 0.93
V
36 dB
Volume Control or Trimmer
Resistance
Volume Control Range
MS AND MS2 INPUT
RVC Twoterminal Trimmer (Note 3)
200
kW
Threeterminal Trimmer (Note 3)
0.1
1 MW
DA − − 48 dB
Pull Down / Up Resistance
Logic 1 Voltage
Logic 0 Voltage
INPUT
− − 1 MW
VREG
V
0 V
Input Referred Noise
IRN
Bandwidth 100 Hz 8 kHz
109
108
dBV
Input Impedance
Crosstalk
ZIN 13.5 16 18.5 kW
Between microphone and
− −60 dB
telecoil inputs
Maximum Input Level − − − −14 dBV
Input Dynamic Range
HRX ON, 95 dB
Bandwidth 100 Hz 8 kHz
OUTPUT
Maximum RMS Output Voltage
0 dBFS f = 1 kHz
− −1 dBV
Product parametric performance is indicated in the Electrical Characteristics for the listed test conditions, unless otherwise noted. Product
performance may not be indicated by the Electrical Characteristics if operated under different conditions.
1. Total System Gain consists of: Wideband System Gain + High and Low Independent Channel Gains + Converter Gain.
Total System Gain is calibrated during Cal/Config process.
2. Sample tested.
3. Volume control is log taper, trimmers are linear taper.
www.onsemi.com
3


3Pages


GA3216 電子部品, 半導体
FOUNDATION GA3216
TYPICAL APPLICATIONS
VB
VREG2 19
VREG 1
IN
16
3k9 17
1k T
REGULATOR
A/D
MGND 15
GA3216
MS2
14
MS
13
SDA
12
PROGRAMMING
INTERFACE
EEPROM
TWIN DETECTOR
Tcoil EQ
1st to 3rd
ORDER
LC
HP
24 db/oct
BAND SPLIT
FILTER
LP
COMPRESSOR
TWIN DETECTOR
SQUELCH
COMPRESSOR
TWIN DETECTOR
SQUELCH
S
TRIMMER INTERFACE
5 2 3 4 18
VC TR1 TR2 TR3 TR4
1st or 2nd
ORDER
HC
EQ1
EQ2
EQ3
Note: All resistors in ohms and all capacitors in farads, unless otherwise stated.
TONE
GENERATOR
11
EQ5
EQ4
AGCO
TWIN DETECTOR
VC GAIN
10
PEAK
CLIPPING
D/A
HBRIDGE
8
9
7
20 6
Figure 2. Test Circuit
TYPICAL APPLICATIONS (Cont’d)
VB
MS2
OUT
LP FILTER
19
1 REGULATOR
16
A/D
17
15
GA3216
MS
To Programming box
14 13
12
PROGRAMMING
INTERFACE
EEPROM
TWIN DETECTOR
Tcoil EQ
1st to 3rd
ORDER
LC
HP
24 db/oct
BAND SPLIT
FILTER
LP
COMPRESSOR
TWIN DETECTOR
SQUELCH
COMPRESSOR
TWIN DETECTOR
SQUELCH
TRIMMER INTERFACE
1st or 2nd
S ORDER
HC
EQ1
EQ2
EQ3
5 2 3 4 18
TONE
GENERATOR
11
EQ5
EQ4
AGCO
TWIN DETECTOR
VC GAIN
10
PEAK
CLIPPING
D/A
HBRIDGE
8
9
7
20 6
VC
200k(log)
Note: All resistors in ohms and all capacitors in farads, unless otherwise stated.
Figure 3. Example of Programmable Application Circuit
www.onsemi.com
6

6 Page



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共有リンク

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