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Linear Class H Current Manager Hybrid
GS3013 DATA SHEET
FEATURES * complete linear system * current mode class H output stage * current drive power amp * low distortion / low noise * low amplifier current 190 A typical STANDARD PACKAGING * Hybrid Typical Dimensions 0.225in x 0.130in x 0.110in (5.72mm x 3.31mm x 2.79mm)
DESCRIPTION The GS3013 is a linear hybrid containing three amplifier stages. This product incorporates a current mode class H power amplifier. By adapting the bias of the output stage to the requirements of the signal being processed, significant current savings can be realised compared to traditional class A amplifiers. The adaptive action does not compromise the characteristics of a current drive output stage. In addition to the output stage, two additional stages of preamplification are provided to allow filtering and gain adjustment to be easily accomplished.
VB1
5
VB2
6
C4
11
GS3013
C4 22 1 VB 14 GC590 CONTROL VB 24k
VREG 9 C1 220n IN 10 C2 82n
8
VREG
12k 9
-A
12k -B
+ C -
+
2 3 5
4 OUT 2 RE 1 RE1
170 7 6 10 12 11 13 4
125
MGND 8
C3 82n
3
GND2
16
15
14
13
12
7
AIN
All resistors in ohms, all capacitors in farads unless otherwise stated.
AOUT BRIN
BIN
BOUT
GND
FUNCTIONAL BLOCK DIAGRAM
Revision Date: May 1998
Document No. 520 - 87 - 02
GENNUM CORPORATION P.O. Box 489, Stn. A, Burlington, Ontario, Canada L7R 3Y3 tel. +1 (905) 632-2996 Web Site: www.gennum.com E-mail: hipinfo@gennum.com
ABSOLUTE MAXIMUM RATINGS
PARAMETER Supply Voltage Power Dissipation Operating Temperature Range Storage Temperature Range VALUE / UNITS 5 VDC 25 mW -10 C to 40 C -20 C to 70 C
PAD CONNECTION RE GND2 RE1 AIN AOUT BRIN
1 16 15 7 14 2 3 4 5 6
OUT VB1 VB2 GND
ELECTRICAL CHARACTERISTICS
Conditions: Frequency = 1 kHz, Temperature 25 C, Voltage Supply = 1.3 VDC PARAMETER OVERALL SYMBOL CONDITIONS
Amplifier Current
Minimum Operating Voltage Overall Gain Distortion
Input Referred Noise
VOLTAGE REGULATOR Regulator Voltage Output Noise
STAGE A AND STAGE B Input Bias Current DC Voltage Gain
Current Source Capabilities
Output Voltage Swing - Low
STAGE C AND CONTROL CIRCUIT Maximum Current Sinking Output Impedance
Minimum Emitter Voltage
D E DS NN EG M SI ME OD C EW RE TN OR NO F
CAUTION CLASS 1 ESD SENSITIVITY
BIN
13
C4
8
MGND VREG
BOUT
11
12
10
9
IN
MIN
TYP
MAX
UNITS
I AMP VB AV
80 -
190 -
300 1.1 57 1
A
V
51 -
54
dB
THD
VIN = -40 dBV
0.2
%
IRN
RTRIM = RVC = 10 k A Weighted Filter
-
-
2.5
VRMS
V REG
I LOAD = 30 A
870 -
920 2.9
970 -
mVDC
A Weighted
VRMS
I BIAS
-25 -
0
25 -
nA
Stage A
AOL -A AOL -B
52 42
dB dB A
Stage B
I SOURCE V SINK
15
30
-
260
315
-
mV
I SINK
RE grounded, V P4 = 1.3 V
3 -
6
-
mA
ROUT
24 5
-
k
V RE-MIN
2
9
mV
Maximum Emitter Voltage Minimum Transducer Current Maximum Transducer Current Maximum/Minimum Transducer Current Ratio Dynamic Headroom Time Constant
V RE-MAX I T-MIN I T-MAX I RANGE Headroom TC Note 1 RE, RE1 shorted RE, RE1 shorted
62 26 750 16 14 -
66 71 930 20 17 100
74 126 1100 28 22 -
mV A A dB dB mS
All parameters and switches remain as shown in the Test Circuit unless otherwise stated in CONDITIONS column. Notes: 1. Headroom = 20 Log (V RE DC / V REACRMS) [V IN = -70 dBV]
520 - 87 - 02
2
1.3V
VB2
5 6
C4
11
2.6V
GS3013
C4 22 1 VB 14
GC590
CONTROL VB 24k
1k
VREG 9 C1 220n 3k9 IN
10
8
VREG
D E DS NN EG M SI ME OD C EW RE TN OR NO F
-A
12k
12k
VI
C2 82n
9
-B
+ -
-
2
OUT
4 2 1
C
+
3
RE
5
RE1
170
125
7
6
10
12
11 13
4
MGND 8
C3 82n
3
GND2
16
15
14
13
12
7
AIN
AOUT
CA
BRIN
BIN
BOUT
GND
100k RVC
01
100k RTRIM
All resistors in ohms, all capacitors in farads unless otherwise stated.
Fig. 1 Production Test Circuit
1.3V
VB1
VB2
6
C4
11
5
GS3013
C4 22
1
VB
14
GC590
VREG
9
C1 220n
8
VREG
CONTROL VB 24k -
12k
10
-A
12k
IN
C2 82n
9
-B
+ -
2
OUT
4
C
+
3
2 RE
5
170
1 RE1
125
7
6
10
12
11 13
4
C3 82n
8 3
GND2
MGND
16 15 14 13 12 7
AIN
AOUT
BRIN
BIN
BOUT
GND
100k RVC
CA 01
100k RTRIM
All resistors in ohms, all capacitors in farads unless otherwise stated.
Fig. 2 Typical Hearing Instrument Application
3
520 - 87 - 02
VOLUME CONTROL CA 01
D E DS NN EG M SI ME OD C EW RE TN OR NO F
12 13 14 15 16 1 11 2 10 3
+
REC
MIC
+
9
8
7
6
5
4
All resistors in ohms, all capacitors in farads unless otherwise stated.
BATTERY
Fig. 3 Typical Assembly Diagram
VB=1.3V
VB2
6
5
GS3013
1
VB
GC590
VREG 9
C1 220n
8
VREG
3k9
IN
12k
10
-A
12k
C2 82n
9
-B
VI
7
6
10
12
MGND
8
16
15
14
13
AIN
AOUT
RVC 10k
All resistors in ohms, all capacitors in farads unless otherwise stated.
CA 01
BRIN
BIN
RGT 100k
Fig. 4 Characterization Circuit
520 - 87 - 02
4
+
-
C4
11
VL=2xVB=2.6V
C4 22
14
RL
1k3
CONTROL VB 24k -
+ -
2
OUT RE
4 2 1
C
+
3
5
RE1
170
125
11 13
4
C3 82n
3
GND2
12
7
BOUT
GND
20 RVC=100k 0 RVC=10k
60
VIN=80dBV (PINK NOISE GENERATOR)
RVC=100k
50
OUTPUT LEVEL (dBV)
40 -20
GAIN (dB)
RVC=10k 30
-40 RVC=1k -60 RVC=100
20 RVC=1k 10
THD (%)
D E DS NN EG M SI ME OD C EW RE TN OR NO F
-80 0 -120 -100 -80 -60 -40 -20 20 100 1k 10k 20k
INPUT LEVEL (dBV)
FREQUENCY (Hz)
Fig. 5 Input vs Output Transfer Function for the Different Values of the RVC Resistor
Fig. 6 Frequency Response for Different RVC Values
1.0
1.0
TRANSDUCER CURRENT (mA)
0.5
0.4
RELATIVE GAIN (dB)
0
0.2
RL=0
VL =VB
-0.5
0.1
0.06
-80
-70
-60
-50
-40
-30
-20
-1 1.0
1.2
1.4
1.6
1.8
2.0
VRE LEVEL (dBV)
SUPPLY VOLTAGE (V)
Fig. 7 Transducer Current Characteristics
Fig. 8 System Gain vs Supply
10
= 1kHz
1
0.1 -60
-50
-40
-30
-20
INPUT LEVEL (dBV)
Fig. 9 THD & Noise vs Input Level
5
520 - 87 - 02
10
60 PHASE GAIN
180
50
90
1M 1M 10 1.3V
THD & NOISE (%)
GAIN (dB)
VIN=-40dBV 1
40
2.2k 10
0
VOUT
PREAMP
30
VAC
-90
RELATIVE GAIN (dB)
D E DS NN EG M SI ME OD C EW RE TN OR NO F
0.1 100 1k 10k 20 20 100 1k 10k -180 20k
FREQUENCY (Hz)
FREQUENCY (Hz)
Fig. 10 THD & Noise vs Frequency
Fig. 11 Stage A Open Loop Gain & Phase vs Frequency
50
180
10
PHASE
40
GAIN (dB)
1M
1M
30
0
10
1.3V
2.2k
10
VOUT
20
PREAMP
-90
VAC
NOISE (V/Hz)
GAIN
90
10 20
100
1k
10k
-180 20k
1 20
100
1k
10k
20k
FREQUENCY (Hz)
FREQUENCY (Hz)
Fig. 12 Stage B Open Loop Gain & Phase vs Frequency
Fig. 13 Output Noise vs Frequency
3
RGT=10k RGT=10k
2
1
0
-1
-2
-3 -20 -10 0 10 20 30 40 50
TEMPERATURE (C)
Fig. 14 Relative Gain vs Temperature
520 - 87 - 02
6
0.225 (5.72)
0.130 (3.31)
GS3013
XXXX YYWW
XXXXXX
D E DS NN EG M SI ME OD C EW RE TN OR NO F
0.120 (3.05) MAX C4 12 13 14 15 16 1 11 2 10 C4 C4 C1 3 9 8 7 6 5 4
Dimension units are in inches. Dimensions in parenthesis are in millimetres converted from inches and include minor rounding errors. 1.0000 inches = 25.400 mm. Smallest pad no.3 0.025 x 0.018 (0.63 x 0.46). Largest pad no.7 0.039 x 0.025 (0.99 x 0.64). Dimension tolerances: 0.005 (+0.13) unless otherwise stated. Pad numbers and capacitor numbers for illustration only. XXXXXX - work order number. This hybrid is designed for point to point manual soldering.
Fig. 8 Hybrid Layout & Dimensions
DOCUMENT IDENTIFICATION: DATA SHEET The product is in production. Gennum reserves the right to make changes at any time to improve reliability, function or design, in order to provide the best product possible.
REVISION NOTES:
Updated to Data sheet
Gennum Corporation assumes no responsibility for the use of any circuits described herein and makes no representations that they are free from patent infringement. (c) Copyright April 1994 Gennum Corporation. All rights reserved.
Printed in Canada.
7
520 - 87 - 02

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