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PDF OPA604 Data sheet ( Hoja de datos )
| Número de pieza | OPA604 | |
| Descripción | FET-Input / Low Distortion OPERATIONAL AMPLIFIER | |
| Fabricantes | Burr-Brown | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de OPA604 (archivo pdf) en la parte inferior de esta página. Total 12 Páginas | ||
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® OPA604
FPO
FET-Input, Low Distortion
OPERATIONAL AMPLIFIER
FEATURES
q LOW DISTORTION: 0.0003% at 1kHz
q LOW NOISE: 10nV/√Hz
q HIGH SLEW RATE: 25V/µs
q WIDE GAIN-BANDWIDTH: 20MHz
q UNITY-GAIN STABLE
q WIDE SUPPLY RANGE: VS = ±4.5 to ±24V
q DRIVES 600Ω LOAD
q DUAL VERSION AVAILABLE (OPA2604)
APPLICATIONS
q PROFESSIONAL AUDIO EQUIPMENT
q PCM DAC I/V CONVERTER
q SPECTRAL ANALYSIS EQUIPMENT
q ACTIVE FILTERS
q TRANSDUCER AMPLIFIER
q DATA ACQUISITION
DESCRIPTION
The OPA604 is a FET-input operational amplifier
designed for enhanced AC performance. Very low
distortion, low noise and wide bandwidth provide
superior performance in high quality audio and other
applications requiring excellent dynamic performance.
New circuit techniques and special laser trimming of
dynamic circuit performance yield very low harmonic
distortion. The result is an op amp with exceptional
sound quality. The low-noise FET input of the OPA604
provides wide dynamic range, even with high source
impedance. Offset voltage is laser-trimmed to mini-
mize the need for interstage coupling capacitors.
The OPA604 is available in 8-pin plastic mini-DIP
and SO-8 surface-mount packages, specified for the
–25°C to +85°C temperature range.
(+)
(3)
(–)
(2)
(5)
(1)
Distortion
Rejection
Circuitry(1)
Output
Stage(1)
NOTE: (1) Patents Granted: #5053718, 5019789
(7)
V+
(6)
VO
(4)
V–
International Airport Industrial Park • Mailing Address: PO Box 11400 • Tucson, AZ 85734 • Street Address: 6730 S. Tucson Blvd. • Tucson, AZ 85706
Tel: (520) 746-1111 • Twx: 910-952-1111 • Cable: BBRCORP • Telex: 066-6491 • FAX: (520) 889-1510 • Immediate Product Info: (800) 548-6132
© 1992 Burr-Brown Corporation
PDS-1161C
Printed in U.S.A. May, 1995
1 page  
TYPICAL PERFORMANCE CURVES (CONT)
TA = +25°C, VS = ±15V unless otherwise noted.
INPUT BIAS CURRENT
vs TIME FROM POWER TURN-ON
1nA
VS = ±24VDC
100 VS = ±15VDC
10 VS = ±5VDC
1
012345
Time After Power Turn-On (min)
COMMON-MODE REJECTION
vs COMMON-MODE VOLTAGE
120
110
100
90
80
–15
–10 –5
0
5
Common-Mode Voltage (V)
10
15
120
100
80
60
40
20
0
10
POWER SUPPLY AND COMMON-MODE
REJECTION vs FREQUENCY
+PSR
–PSR
CMR
100 1k 10k 100k 1M
Frequency (Hz)
120
100
80
60
40
20
0
10M
AOL, PSR, AND CMR vs SUPPLY VOLTAGE
120
110
CMR
100
PSR
90
80 AOL
70
5 10 15 20 25
Supply Voltage (±VS)
GAIN-BANDWIDTH AND SLEW RATE
vs SUPPLY VOLTAGE
28
24
Gain-Bandwidth
G = +100
20
Slew Rate
16
12
5 10 15 20
Supply Voltage (±VS)
33
29
25
21
17
25
GAIN-BANDWIDTH AND SLEW RATE
vs TEMPERATURE
28 30
Slew Rate
24 25
20
Gain-Bandwidth
G = +100
16
20
15
12
–75 –50 –25
0 25 50
Temperature (°C)
10
75 100 125
®
5 OPA604
5 Page 
100Ω
10kΩ
Piezoelectric
Transducer
OPA604
G = 101
(40dB)
1MΩ(1)
NOTE: (1) Provides input
bias current return path.
FIGURE 7. High Impedance Amplifier.
NOTE: (1) C1 ≈
COUT
2π Rf fc
RF = Internal feedback resistance = 1.5kΩ
fC = Crossover frequency = 8MHz
10
PCM63
20-bit
D/A
Converter
5
6
9
C1(1)
OPA604
VO = ±3Vp
To low-pass
filter.
FIGURE 8. Digital Audio DAC I-V Amplifier.
OPA604
A2
OPA604
A1
VIN R2
R3
51Ω
I1
R1
VOUT = VIN (1+R2/R1)
I2
R4
51Ω
IL = I1 + I2
VOUT
Load
FIGURE 9. Using Two OPA604 Op Amps to Double the Output Current to a Load.
®
11 OPA604
11 Page | ||
| Páginas | Total 12 Páginas | |
| PDF Descargar | [ Datasheet OPA604.PDF ] | |
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