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OPA2604 Datasheet

Dual FET-Input / Low Distortion OPERATIONAL AMPLIFIER


OPA2604 Datasheet Preview


®
OPA2604
OPA2604
OPA2604
www.burr-brown.com/databook/OPA2604.html
Dual 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 600LOADS
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 OPA2604 is a dual, FET-input operational ampli-
fier 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
OPA2604 provides wide dynamic range, even with high
source impedance. Offset voltage is laser-trimmed to
minimize the need for interstage coupling capacitors.
The OPA2604 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, 5)
(–)
(2, 6)
(8)
V+
Distortion
Rejection
Circuitry*
Output
Stage*
(1, 7)
VO
* Patents Granted:
#5053718, 5019789
(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
Internet: http://www.burr-brown.com/ • FAXLine: (800) 548-6133 (US/Canada Only) • Cable: BBRCORP • Telex: 066-6491 • FAX: (520) 889-1510 • Immediate Product Info: (800) 548-6132
© 1991 Burr-Brown Corporation
PDS-11069E
POrinPtedAin2U.6S.0A.4October, 1997
®
Page 1

SPECIFICATIONS
ELECTRICAL
At TA = +25°C, VS = ±15V, unless otherwise noted.
PARAMETER
CONDITION
MIN
OFFSET VOLTAGE
Input Offset Voltage
Average Drift
Power Supply Rejection
INPUT BIAS CURRENT(1)
Input Bias Current
Input Offset Current
NOISE
Input Voltage Noise
Noise Density: f = 10Hz
f = 100Hz
f = 1kHz
f = 10kHz
Voltage Noise, BW = 20Hz to 20kHz
Input Bias Current Noise
Current Noise Density, f = 0.1Hz to 20kHz
VS = ±5 to ±24V
VCM = 0V
VCM = 0V
70
INPUT VOLTAGE RANGE
Common-Mode Input Range
Common-Mode Rejection
INPUT IMPEDANCE
Differential
Common-Mode
VCM = ±12V
±12
80
OPEN-LOOP GAIN
Open-Loop Voltage Gain
FREQUENCY RESPONSE
Gain-Bandwidth Product
Slew Rate
Settling Time: 0.01%
0.1%
Total Harmonic Distortion + Noise (THD+N)
Channel Separation
OUTPUT
Voltage Output
Current Output
Short Circuit Current
Output Resistance, Open-Loop
VO = ±10V, RL = 1k
G = 100
20Vp-p, RL = 1k
G = –1, 10V Step
G = 1, f = 1kHz
VO = 3.5Vrms, RL = 1k
f = 1kHz, RL = 1k
RL = 600
VO = ±12V
80
15
±11
POWER SUPPLY
Specified Operating Voltage
Operating Voltage Range
Current, Total Both Amplifiers
TEMPERATURE RANGE
Specification
Storage
Thermal Resistance(2), θJA
IO = 0
±4.5
–25
–40
NOTES: (1) Typical performance, measured fully warmed-up. (2) Soldered to circuit board—see text.
OPA2604AP, AU
TYP
±1
±8
80
100
±4
25
15
11
10
1.5
6
±13
100
1012 || 8
1012 || 10
100
20
25
1.5
1
0.0003
142
±12
±35
±40
25
±15
±10.5
90
MAX
±5
±24
±12
+85
+125
UNITS
mV
µV/°C
dB
pA
pA
nV/Hz
nV/Hz
nV/Hz
nV/Hz
µVp-p
fA/Hz
V
dB
|| pF
|| pF
dB
MHz
V/µs
µs
µs
%
dB
V
mA
mA
V
V
mA
°C
°C
°C/W
The information provided herein is believed to be reliable; however, BURR-BROWN assumes no responsibility for inaccuracies or omissions. BURR-BROWN assumes
no responsibility for the use of this information, and all use of such information shall be entirely at the user’s own risk. Prices and specifications are subject to change
without notice. No patent rights or licenses to any of the circuits described herein are implied or granted to any third party. BURR-BROWN does not authorize or warrant
any BURR-BROWN product for use in life support devices and/or systems.
®
OPA2604
2
Page 2

PIN CONFIGURATION
Top View
Output A 1
–In A 2
+In A 3
V– 4
DIP/SOIC
8 V+
7 Output B
6 –In B
5 +In B
ELECTROSTATIC
DISCHARGE SENSITIVITY
Any integrated circuit can be damaged by ESD. Burr-Brown
recommends that all integrated circuits be handled with ap-
propriate precautions. Failure to observe proper handling and
installation procedures can cause damage.
ESD damage can range from subtle performance degradation
to complete device failure. Precision integrated circuits may
be more susceptible to damage because very small parametric
changes could cause the device not to meet published speci-
fications.
ABSOLUTE MAXIMUM RATINGS(1)
Power Supply Voltage ....................................................................... ±25V
Input Voltage ............................................................. (V–)–1V to (V+)+1V
Output Short Circuit to Ground ............................................... Continuous
Operating Temperature ................................................. –40°C to +100°C
Storage Temperature ..................................................... –40°C to +125°C
Junction Temperature .................................................................... +150°C
Lead Temperature (soldering, 10s) AP ......................................... +300°C
Lead Temperature (soldering, 3s) AU .......................................... +260°C
NOTE: (1) Stresses above these ratings may cause permanent damage.
ORDERING INFORMATION
PRODUCT
OPA2604AP
OPA2604AU
PACKAGE
8-Pin Plastic DIP
SO-8 Surface-Mount
TEMP. RANGE
–25°C to +85°C
–25°C to +85°C
PACKAGING INFORMATION
PRODUCT
PACKAGE
PACKAGE DRAWING
NUMBER(1)
OPA2604AP
OPA2604AU
8-Pin Plastic DIP
SO-8 Surface-Mount
006
182
NOTE: (1) For detailed drawing and dimension table, please see end of data
sheet, or Appendix C of Burr-Brown IC Data Book.
®
3 OPA2604
Page 3

TYPICAL PERFORMANCE CURVES
At TA = +25°C, VS = ±15V, unless otherwise noted.
TOTAL HARMONIC DISTORTION + NOISE
vs FREQUENCY
1 Measurement BW = 80kHz
See “Distortion Measure-
VO = ments” for description of
0.1
3.5Vrms
1k
test method.
0.01
0.001
G = 100V/V
G = 10V/V
0.0001
20
G = 1V/V
100 1k
Frequency (Hz)
10k 20k
TOTAL HARMONIC DISTORTION + NOISE
vs OUTPUT VOLTAGE
0.1
See “Distortion Measurements”
for description of test method.
VO
0.01
1k
f = 1kHz
Measurement BW = 80kHz
0.001
0.0001
0.1
1 10
Output Voltage (Vp-p)
100
120
100
80
60
40
20
0
–20
1
OPEN-LOOP GAIN/PHASE vs FREQUENCY
0
–45
φ
–90
G –135
–180
10 100 1k 10k 100k 1M 10M
Frequency (Hz)
INPUT VOLTAGE AND CURRENT NOISE
SPECTRAL DENSITY vs FREQUENCY
1k 1k
100 Voltage Noise
100
10 10
Current Noise
11
1 10 100 1k 10k 100k 1M
Frequency (Hz)
100nA
10nA
1nA
INPUT BIAS AND INPUT OFFSET CURRENT
vs TEMPERATURE
Input
Bias Current
10nA
1nA
100
100 10
Input
Offset Current
10 1
1
–75 –50 –25
0
25 50 75
Ambient Temperature (°C)
0.1
100 125
10nA
INPUT BIAS AND INPUT OFFSET CURRENT
vs INPUT COMMON-MODE VOLTAGE
1nA
Input
1nA
Bias Current
100
100
10
–15
10
Input
Offset Current
–10 –5
0
5
Common-Mode Voltage (V)
10
1
15
®
OPA2604
4
Page 4
Part Number OPA2604
Manufactur Burr-Brown
Description Dual FET-Input / Low Distortion OPERATIONAL AMPLIFIER
Total Page 12 Pages
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