OPA4344 Datasheet PDF - Burr-Brown
| Part Number | OPA4344 | |
| Description | LOW POWER / SINGLE-SUPPLY / RAIL-TO-RAIL OPERATIONAL AMPLIFIERS MicroAmplifier Series | |
| Manufacturers | Burr-Brown | |
| Logo |  |
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OPA344
OPA4344
OPA345
OPA342 ®
OPA344
OPA2344
OPA4344
OPA345
OPA2345
OPA4345
LOW POWER, SINGLE-SUPPLY, RAIL-TO-RAIL
OPERATIONAL AMPLIFIERS
MicroAmplifier ™ Series
FEATURES
DESCRIPTION
q RAIL-TO-RAIL INPUT
q RAIL-TO-RAIL OUTPUT (within 1mV)
q LOW QUIESCENT CURRENT: 150µA typ
q MicroSIZE PACKAGES
SOT23-5
MSOP-8
TSSOP-14
q GAIN-BANDWIDTH
OPA344: 1MHz, G ≥ 1
OPA345: 3MHz, G ≥ 5
q SLEW RATE
OPA344: 0.8V/µs
OPA345: 2V/µs
q THD + NOISE: 0.006%
The OPA344 and OPA345 series rail-to-rail CMOS
operational amplifiers are designed for precision, low-
power, miniature applications. The OPA344 is unity
gain stable, while the OPA345 is optimized for gains
greater than or equal to five, and has a gain-bandwidth
product of 3MHz.
The OPA344 and OPA345 are optimized to operate on
a single supply from 2.5V and up to 5.5V with an input
common-mode voltage range that extends 300mV
beyond the supplies. Quiescent current is only
250µA (max).
Rail-to-rail input and output make them ideal for driving
sampling analog-to-digital converters. They are also well
suited for general purpose and audio applicaitons and
providing I/V conversion at the output of D/A converters.
Single, dual and quad versions have identical specs for
design flexibility.
APPLICATIONS
q PCMCIA CARDS
q DATA ACQUISITION
q PROCESS CONTROL
q AUDIO PROCESSING
q COMMUNICATIONS
q ACTIVE FILTERS
q TEST EQUIPMENT
OPA2344, OPA2345
A variety of packages are available. All are specified for
operation from –40ºC to 85ºC. A SPICE macromodel is
available for design analysis.
OPA344, OPA345
Out 1
V– 2
+In 3
5 V+
4 –In
SOT23-5
OPA344, OPA345
Out A 1
–In A 2
+In A 3
OPA4344, OPA4345
AD
14 Out D
13 –In D
12 +In D
Out A 1
–In A 2
+In A 3
A
B
8 V+
7 Out B
6 –In B
NC 1
–In 2
+In 3
8 NC
7 V+
6 Out
+V 4
+In B 5
–In B 6
B
11 –V
10 +In C
C
9 –In C
V– 4
5 +In B
V– 4
5 NC Out B 7
8 Out C
SO-8, MSOP-8, 8-Pin DIP (OPA2344 Only)
SO-8, 8-Pin DIP (OPA344 Only)
TSSOP-14, SO-14, 14-PIn DIP (OPA4344 Only)
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/ • Cable: BBRCORP • Telex: 066-6491 • FAX: (520) 889-1510 • Immediate Product Info: (800) 548-6132
© 2000 Burr-Brown Corporation
PDS-1486A
Printed in U.S.A. April, 2000
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TYPICAL PERFORMANCE CURVES
At TA = +25°C, VS = +5V, and RL = 10kΩ connected to VS/2, unless otherwise noted.
120
100
80
60
40
20
0
0.1
OPEN-LOOP GAIN/PHASE vs FREQUENCY
0
OPA344
Phase
30
60
90
Gain
120
150
180
1 10 100 1k 10k 100k 1M 10M
Frequency (Hz)
120
100
80
60
40
20
0
0.1
OPEN-LOOP GAIN/PHASE vs FREQUENCY
0
OPA345
Phase
30
60
90
Gain
120
150
180
1 10 100 1k 10k 100k 1M 10M
Frequency (Hz)
POWER SUPPLY AND COMMON-MODE
REJECTION RATIO vs FREQUENCY
100
+PSRR
80
CMRR
–PSRR
60
40
20
10
10
100 1k 10k
Frequency (Hz)
100k
MAXIMUM OUTPUT VOLTAGE vs FREQUENCY
6
VS = +5.5V
5
VS =
+5V
4
OPA344
3
OPA345
VS = +2.7V
2
1
0
100k
1M
Frequency (Hz)
10M
CHANNEL SEPARATION vs FREQUENCY
140
120
100
Dual and quad devices.
G = 1, all channels.
Quad measured channel
80 A to D or B to C—other
combinations yield improved
rejection.
60
100
1k 10k
Frequency (Hz)
100k
1M
10000
1000
100
VOLTAGE AND CURRENT NOISE
SPECTRAL DENSITY vs FREQUENCY
IN
VN
100
10
1
10
1
0.1
10 100 1k 10k 100k 1M 10M
Frequency (Hz)
OPA344, 2344, 4344
®
5 OPA345, 2345, 4345
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Part DetailsOn this page, you can learn information such as the schematic, equivalent, pinout, replacement, circuit, and manual for OPA4344 electronic component. |
| Information | Total 11 Pages | |
| Link URL | [ Copy URL to Clipboard ] | |
| Download | [ OPA4344.PDF Datasheet ] | |
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