Gennum Japan Corporation: C-101, Miyamae Village, 2-10-42 Miyamae, Suginami-ku, Tokyo 168-0081, Japan tel. (03) 3334-7700 fax:(03) 3247-8839
ABSOLUTE MAXIMUM RATINGS
PARAMETER
Supply Voltage
Power Dissipation
Operating Temperature Range
Storage Temperature Range
CAUTION
CLASS 1 ESD SENSITIVITY
VALUE
3 VDC
25 mW
-10°C to 40°C
-20°C to 70°C
A OUT
RECTCAP
RECTIN
VB
VREG
PIN CONNECTIONS
A IN
GND
CA
CB
B OUT
ELECTRICAL CHARACTERISTICS
PARAMETER
Total Current
Voltage Regulator (Pin 1)
Input Referred Noise
Attack Time
Release Time
STAGE A
Quiescent Voltage on pin 5
Open Loop Gain
Feedback Resistor
Current Sourcing Capacity
Current Sinking Capacity
FILTER SECTION
Quiescent Voltage on pin 3
Quiescent Voltage on pin 4
Quiescent Voltage on pin 8
Quiescent Voltage on pin 9
Filter Insertion Loss
Distortion
Rectifier Gain
Rectifier Bandwidth
Pin 9 Nominal Current
Current Range
Slope
Rectifier Threshold
Corner Frequency
V
TH
f
c
V
Q3
V
Q4
V
Q8
V
Q9
FIL
THD
A
REC
B
R
I
P9
I
RANGE
V
Q5
A
OL
R
F
I
SOURCE
I
SINK
Conditions: Supply Voltage V
CC
= 1.3 V, Temperature 25
o
C
SYMBOL
I
T
V
REG
CONDITIONS
MIN
165
0.87
TYP
300
0.93
2.6
5.6
30
90
MAX
450
0.99
-
-
-
-
UNITS
µA
V
DC
µV
RMS
ms
ms
NFB 0.2 - 10kHz
IRN
t
ATT
t
RE
L
at 12dB/oct
Filter fc set to 0.2kHz
Filter fc set to 2kHz
-
-
-
-
0.49
45
175
15
15
-
56
265
30
30
0.67
-
355
-
-
V
DC
dB
kΩ
µA
µA
0.49
0.49
0.55
0.55
V
OUT
= 850mV
RMS
f=2kHz (S1 closed)
V
OUT
= 850mV
RMS
f=1kHz (S1 closed)
VAC
2
= 2.5mV
RMS
(S2 closed)
f = 100Hz (Note 1)
V
AC2
= 20mV
RMS
(S2 closed)
VP9 = 0V
(Note 2, 3)
(Note 2, 4)
f = 100Hz (Note 2, 5)
(Note 2, 6)
-
0.70
8
0.75
1.7
140
-0.5
-
5
0.58
0.58
-
-
0.1
2
7
0.67
0.67
0.78
0.78
1.3
3
9
V
DC
V
DC
V
DC
V
DC
dB
%
4
1.00
10
1
2.5
200
-
1.30
12
1.25
2.8
260
kHz
µA
mV
DC
Hz
All Conditions and Parameters remain as show in Test Circuit unless otherwise specified in CONDITIONS Column.
VQX - quiescent (unbias) voltage measured on the pin, (nothing connected to the pin). VPX - actual voltage measured on the pin at given condition ( X is pin number).
NOTES:
1.
2.
AREC = 1.9375 x (VP4 / VP3) [VIN = 10mVRMS] - 0.9375 x (VP4 / VP3) [VIN = 18mVRMS]
I
D1
=
I
P9
[ VP4 = VQ4 + 35mV ; VP9 = 0]
I
D0
=
I
P9
[VP9 = 0] ;
I
D2
=
I
P9
[VP4 = VQ4 + 85mV ; VP9 = 0];
I
RANGE
=
I
D3
/
I
D0
I
D3
=
I
P9
[VP4 = VQ4 + 180mV ; VP9 = 0]
3.
4.
5.
SLOPE = ((ID2 -
I
D1
) / 50mV ) x 14kΩ
VAL = 85mV - ((ID2 -
I
D0)
/ SLOPE) x 14kΩ: VAH = 85mV + ( 50mV x (
I
D3
-
I
D2
) / (
I
D2
-
I
D1
));
VP4
≤
VAL [VIN = 1.7mVRMS] and VP4
≥
VAL [VIN = 2.8mVRMS]
ƒc = 1 / ( 2 x
π
x 1.41 x 10nF x R );
R = 26mV x (( 1 /
I
D0
) + ( 1 / ( I2 -
I
D0
)))
I2 = ((3 x (
I
D0
+
I
P9[VP9
= VQ9 + 18mV] )) / ( 4 - ((
I
D0
+
I
P9
[VP9 = VQ9 + 18mV] ) / (
I
D0
+
I
P9[VP9
= VQ9 - 18mV] )))
6.
520 - 60 - 05
2
VB
2
1
VREG
+
-
VIN
0µ1
10k
265k
S1
5
9
8
3
2µ2
10n
2µ2
S2
10n
AC2
7
4
6
-
-A
RECTIFIER
82k
B
10
0µ1
8k4
83k5
LTC1001
+
V OUT
0µ1
AC1
All resistors in ohms, all capacitors
in farads unless otherwise stated.
Fig. 1 Test Circuit
5
2
REGULATOR
I
BASE
CURRENT
COMP.
265k
10
VIRTUAL
GROUND
6
7
10k
3
_
13k5
56k
_
CONTROL
8
9
180
1
All resistors in ohms, all capacitors
in farads unless otherwise stated.
4
Fig. 2 Functional Schematic
4 R
MIC
5
VB
2
1
0µ1
GR581
GP509
21k
VREG
+
-
6
-A
RECTIFIER
10k
265k
5
10n
45k
0µ1
100k
1
8
RE
10
B
0µ1 10k
3
-A
-B
6
7
2
0µ1
9
10n
8
3
7
4
2µ2
87
All resistors in ohms, all capacitors
in farads unless otherwise stated.
Fig. 3 Typical Hearing Instrument Application
520 - 60 - 05
3
VB
2
1
0µ1
GR581
VREG
+
-
10
B
10k
0µ1
OUT
IN
3k9 2µ2
6
-A
RECTIFIER
10k
265k
5
10n
9
10n
8
3
7
4
All resistors in ohms, all capacitors
in farads unless otherwise stated.
2µ2
45k
2µ2
Fig. 4 Characterisation Circuit (used to generate typical curves)
-20
-43dBV
-30
-48dBV
-53dBV
-40
-58dBV
-63dBV
-50
-68dBV
-73dBV
-60
OUTPUT LEVEL (dBV)
-70
100
1000
10000
FREQUENCY (Hz)
Fig. 5 Frequency Response
DOCUMENT
IDENTIFICATION
PRODUCT PROPOSAL
This data has been compiled for market investigation purposes
only, and does not constitute an offer for sale.
ADVANCE INFORMATION NOTE
This product is in a development phase and specifications are
subject to change without notice. Gennum reserves the right to
remove the product at any time. Listing the product does not
constitute an offer for sale.
PRELIMINARY DATA SHEET
The product is in a preproduction phase and specifications are
subject to change without notice.
REVISION NOTES
Changes to standard packaging information.
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.
Gennum Corporation assumes no responsibility for the use of any circuits described herein and makes no representations that they are free from patent infringement.
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