
4
500 - 71 - 8
4
2
0
-2
-4
-6
-8
-10
-12
-14
-16
-18
-20
10
0
-10
-20
-30
-40
-50
-60
-70
-80
-90
-130
-110
-90
-70
-60
-40
-20
OUTPUT
(dBV)
RVC = 100K
RVC = 22K
RVC = 47K
RVC = 3.3K
RVC = 10K
INPUT (dBV)
20
20000
FREQUENCY (Hz)
CS = 0.22
F
CS = 0.1
F
CS = 0.047
F
CS = 0.033F
Fig. 4 I/O Characteristics at Various
RVC Values
Fig. 5 Frequency Response at Various
CS Values
RELATIVE
OUTPUT
(dB)
40
30
20
10
0
-10
-20
-30
-40
-50
-60
RELATIVE
AMPLIFIER
CURRENT
(
A)
-20
-10
0
10
20
30
40
50
Fig. 8 Amplifier Current vs Temperature
TEMPERATURE (
C)
30
20
10
0
-10
-20
-30
-40
-50
-20
-10
0
10
20
30
40
50
Fig. 9 Transducer Current vs Temperature
TEMPERATURE (
C)
10
5
0
-5
-10
-15
-20
-25
-30
-35
-40
RELATIVE
GAIN
(dB)
0.6
0.7
0.8
0.9
1.0
1.1
1.2
1.3
1.4
SUPPLY VOLTAGE (VDC)
60
55
50
45
40
35
30
25
20
10
100
1K
10K
100K
FREQUENCY (Hz)
Fig. 6 Gain vs Supply Voltage
Fig. 7 Preamplifier A Open Loop
Frequency Response
GAIN
(dB)
RELATIVE
TRANSDUCER
CURRENT
(
A)
REVISION NOTES
Pb/Sn bump removed, corrections to Figure 1.
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 1989 Gennum Corporation.
All rights reserved.
Printed in Canada.
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 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.
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.