GENNUM GA3214

PARAGON™ DIGITAL
Two Channel DSP System
GA3214/GA3224 PRELIMINARY DATA SHEET
DESCRIPTION
• highly configurable, versatile DSP platform
The GA3214 (GA3224) hybrid is a programmable DSP
system based on a two-channel compression circuit. It can
be used as a platform for a wide range of hearing aid
applications. Its extensive programmability and compact
size make it ideal for sophisticated CIC applications. The
reflowable thinSTAX™ packaging enables easy use in BTE
applications. This very versatile DSP hybrid is capable of
multiple configurations and has a wide range of functions.
• high quality two-channel AGC signal processing
• fully programmable via serial data interface
• high performance data converters - dual, oversampled A/Ds; over-sampled D/A with efficient
switched-mode output power amp
• SOUNDDESIGN™ high-fidelity audio quality
• drives zero-bias 2-terminal receivers
The GA3214 hybrid contains the GC5051 controller chip
and the GA3224 hybrid contains the GC5057 controller
chip. The only difference between the GC5051 and the
GC5057 is in their Power On Reset (POR) behaviour.
• multiple communication rates up to 85.3kb/s
• thinSTAX™ packaging - CIC size
• multi-memory
• internal/external volume control
For a detailed description of the POR behaviour of the
GC5051 and GC5057 controller chips, please refer to
PARAGON™ DIGITAL Reference Guide, Document
#20143.
• volume control taper determined by external VC
• tri-state memory select operation
• audible memory change indicator
thinSTAX
TM
The GA3214 and the GA3224 hybrid code programmed
into the GC5051 and the GC5057 controller chips is “8”.
PACKAGING
Hybrid typical dimensions:
This data sheet is a part of a set of documents available for
this product. Please refer to “Getting Started with
PARAGON™ DIGITAL” information note for a list of other
documents.
0.227 x 0.125 x 0.060 in
(5.76 x 3.18 x 1.52 mm)
SDA
MS
VB
4
3
11
12
13n
205n
REGULATOR
REG 7
VC
VC
A/D
INTERFACE
GA3214
(GA3224)
EEPROM
REG 6
MIC 8
A/D
CHANNEL 1
70n
S
D/A
HBRIDGE
13 OUT+
1 OUT-
CHANNEL 2
T 10
A/D
60n
GND 9
GND 5
2
All resistors in ohms, all capacitors in farads unless otherwise stated.
PGND
BLOCK DIAGRAM
Doc.No. 22736 - 3 [Rev. December 2003]
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GA3214 / GA3224
FEATURES
PAD CONNECTION
ABSOLUTE MAXIMUM RATING
Operating Temperature Range
-10°C to 40°C
Storage Temperature Range
-20°C to 70°C
Absolute Maximum Power Dissipation
REG
MIC
GND
T
MS
VB
7
8
9
10
11
12
13
6
5
4
3
2
1
REG
GND
VC
SDA
PGND
OUT-
OUT+
25mW
GA3214 / GA3224
Maximum Operating Supply Voltage
1.5VDC
Absolute Maximum Supply Voltage
2VDC
CAUTION
CAUTION
ELECTROSTATIC
SENSITIVE DEVICES
LEVEL 3 MOISTURE
SENSITIVE DEVICES
DO NOT OPEN PACKAGES OR HANDLE
EXCEPT AT A STATIC-FREE WORKSTATION
DO NOT OPEN PACKAGES EXCEPT UNDER
CONTROLLED CONDITIONS
ELECTRICAL CHARACTERISTICS
Conditions: Supply Voltage VB = 1.3V; Temperature = 25°C
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
-
700
-
µA
Ramp down
0.94
1.0
1.05
V
VBON
Ramp up
1.06
1.10
1.16
V
90
100
110
mV
Supply Voltage during
Communication
VBC
During Communication
1.19
1.35
1.5
V
Hybrid Current during
Communication
ΙP
Programming (<5 ms)
-
3.7
-
mA
100k
-
-
cycles
Low Frequency System Bandwidth
100
140
225
Hz
High Frequency System Bandwidth
15.2
16
16.8
kHz
81
83
85
dB
Hybrid Current
ΙAMP
See current consumption section
Minimum Operating Supply Voltage
VBOFF
Supply Voltage turn on threshold
Supply Voltage Hysteresis
EEPROM Burn Cycles
Total Maximum System Gain
Note 2
AV
VIN = -95 dBV @ 3kHz; squelch
disabled
See Note 1.
27
29
31
dB
Total Harmonic Distortion
THD
VIN = -40 dBV
-
0.05
1
%
THD at Maximum Input
THDM
VIN = -15 dBV, HRX - ON
-
1.5
3
%
ƒclk
1.945
2.048
2.151
MHz
VREG
0.90
0.95
1.00
V
PSRRREG
-
50
-
dB
Converter Gain
Clock Frequency
ACONV
A/D + D/A gain.
REGULATOR
Regulator Voltage
Regulator Supply Rejection
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ELECTRICAL CHARACTERISTICS
(CONTINUED)
Conditions: Supply Voltage VB = 1.3V; Temperature = 25°C
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
-
-108
-106
dBV
11.2
16
22
kΩ
-
80
-
dB
-
-15
-
dBV
-
95
-
dB
30.4
32
33.6
kHz
-
86
-
dB
INPUT
Input Referred Noise
IRN
Input Impedance
ZIN
ƒ=ƒclk-8kHz,
VIN = -40dBV
(input referred)
Maximum Input Level
Input Dynamic Range
HRX - ON, Bandwidth 100Hz 8kHz
Audio Sample Rate
A/D Dynamic Range
Bandwidth 100Hz - 8kHz
OUTPUT
Maximum RMS Output Voltage
0dBFS ƒ = 1kHZ
-3
-1
1
dBV
D/A Dynamic Range
Bandwidth 100Hz - 8kHz
80
-
-
dB
-
-
20
Ω
Output Impedance
ZOUT
Note 2
VOLUME CONTROL
Volume Control Resistance
RVC
160
200
240
kΩ
Volume Control Range
∆A
47.5
48
48.5
dB
Lo
0
-
VREG/3
V
MS INPUT
Low State
Open State
Z
VREG/3
-
2VREG/3
V
High State
Hi
2VREG/3
-
VB
V
SDA INPUT
Logic 0 Voltage
Note 2
0
-
0.3
V
Logic 1 Voltage
Note 2
1
-
1.3
V
SDA OUTPUT
Standby Pull Up Current
1.4
2
2.6
µA
Sync Pull Up Current
450
500
550
µA
Logic 0 Current (Pull Down)
225
250
275
µA
Logic 1 Current (Pull Up)
225
250
275
µA
Baud = 0
237
250
263
µs
Baud = 1
118
125
132
µs
Baud = 2
59
62.5
66
µs
Baud = 3
29.76
31.25
32.81
µs
Baud = 4
14.88
15.63
16.41
µs
Baud = 5
7.44
7.81
8.20
µs
Baud = 6
3.72
3.91
4.10
µs
Baud = 7
1.86
1.95
2.05
µs
Synchronization Time
TSYNC
(Synchronization Pulse Width)
NOTE 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.
NOTE 2: Sample tested.
SUPPORT SOFTWARE
All support software for the GA3214 / GA3224 is available from
Gennum Web Site
www.gennum.com/hip/software/index.html.
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GA3214 / GA3224
Anti-alias Filter Rejection
Bandwidth 100Hz - 8kHz
VB
200k
4
205n
11
12
13n
REGULATOR
VC
A/D
INTERFACE
GA3214
(GA3224)
EEPROM
GA3214 / GA3224
7
3
6
8
A/D
3k9
CHANNEL 1
70n
OUT
D/A
HBRIDGE
S
T
13
LP FILTER
1
CHANNEL 2
10
1k
A/D
60n
9
5
2
All resistors in ohms, all capacitors in farads unless otherwise stated.
Figure 1: Test Circuit
VC
200k
VB
MS
4
205n
REGULATOR
7
11
3
13n
VC
A/D
INTERFACE
12
GA3214
(GA3224)
EEPROM
6
8
A/D
CHANNEL 1
70n
S
D/A
HBRIDGE
CHANNEL 2
10
13
1
Knowles or Microtronic
zero-bias receiver
A/D
60n
9
5
2
All resistors in ohms, all capacitors in farads unless otherwise stated.
Knowles or Microtronic microphones
Figure 2: Typical Application Circuit
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T-coil
SW(N.O.)
GA3214 / GA3224
Mic
+
Zero Biased
Receiver
VC
+
CS44
Figure 3: Assembly Diagram
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PAD LOCATION
PAD NO.
0.065 MAX
(1.65)
7
6
8
9
5
10
4
11
3
12
2
13
1
0.0317
(0.806)
0.020
(0.508)
Dimension units are in inches.
Dimensions in parentheses are in millimetres, converted from inches and
include minor rounding errors.
1.0000 inches = 25.400mm
Dimension tolerances: ±0.003 (±0.08) unless otherwise stated.
Work order number: XXXXXX
This Hybrid is designed for either point-to-point manual soldering or for
reflow according to Gennum's reflow process (Information Note 521-45).
PAD DIMENSION
X
Y
Xdim
Ydim
1
0
0
23.0
40.5
2
-31.5
3
24.0
46.5
3
-63.0
3
23.0
46.5
4
-94.0
3
23.0
46.5
5
-125.0
3
23.0
46.5
6
-187.0
3
23.0
46.5
7
-187.0
64.5
23.0
46.5
8
-156.0
64.5
23.0
46.5
9
-125.0
64.5
23.0
46.5
10
-94.0
64.5
23.0
46.5
11
-63.0
64.5
23.0
46.5
12
-31.5
64.5
24.0
46.5
13
0
67.5
23.0
40.5
1
0
0
0.584
1.029
2
-0.800
0.076
0.610
1.181
3
-1.600
0.076
0.584
1.181
4
-2.388
0.076
0.584
1.181
5
-3.175
0.076
0.584
1.181
6
-4.750
0.076
0.584
1.181
7
-4.750
1.638
0.584
1.181
8
-3.962
1.638
0.584
1.181
9
-3.175
1.638
0.584
1.181
10
-2.388
1.638
0.584
1.181
11
-1.600
1.638
0.584
1.181
12
-0.800
1.638
0.610
1.181
13
0
1.715
0.584
1.029
DOCUMENT IDENTIFICATION
REVISION NOTES:
PRELIMINARY DATA SHEET
The product is in a preproduction phase and specifications
are subject to change without notice.
GA3224 hybrid code changed.
For latest product information, visit www.gennum.com
GENNUM CORPORATION
GENNUM JAPAN CORPORATION
MAILING ADDRESS:
P.O. Box 489, Stn. A, Burlington, Ontario, Canada L7R 3Y3
Tel. +1 (905) 632-2996 Fax. +1 (905) 632-5946
Shinjuku Green Tower Building 27F, 6-14-1, Nishi Shinjuku,
Shinjuku-ku, Tokyo, 160-0023 Japan
Tel. +81 (03) 3349-5501, Fax. +81 (03) 3349-5505
SHIPPING ADDRESS:
970 Fraser Drive, Burlington, Ontario, Canada L7L 5P5
Gennum Corporation assumes no responsibility for the use of any circuits described herein and makes no representations that they are free from patent infringement.
© Copyright February 2002 Gennum Corporation. All rights reserved. Printed in Canada.
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22736 - 3
GA3214 / GA3224
GA 3 2 1 4
0.125
(3.18)
PAD POSITION
MIL
0.227
(5.76)
mm
PACKAGE DIMENSIONS