OPA343, 2343, 4343
1
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
Out D
In D
+In D
V
+In C
In C
Out C
NC
Out A
In A
+In A
+V
+In B
In B
Out B
NC
OPA4343
SSOP-16
A
D
B
C
1
2
3
4
8
7
6
5
V+
Out B
In B
+In B
Out A
In A
+In A
V
OPA2343
SO-8, MSOP-8
A
B
1
2
3
4
8
7
6
5
NC
V+
Output
NC
NC
In
+In
V
OPA343
SO-8
1
2
3
5
4
V+
In
Out
V
+In
OPA343
SOT-23-5
SINGLE-SUPPLY, RAIL-TO-RAIL
OPERATIONAL AMPLIFIERS
Micro
Amplifier
TM
Series
2000 Burr-Brown Corporation
PDS-1439C
Printed in U.S.A. February, 2000
OPA4343
OPA2343
OPA4343
OPA343
OPA2343
OPA4343
FEATURES
q
RAIL-TO-RAIL INPUT/OUTPUT
q
Micro
SIZE PACKAGES
q
WIDE BANDWIDTH: 5.5MHz
q
HIGH SLEW RATE: 6V/
s
q
LOW THD+NOISE: 0.0007% (f = 1kHz)
q
LOW QUIESCENT CURRENT: 850
A/chan
q
SINGLE, DUAL, AND QUAD
APPLICATIONS
q
DRIVING A/D CONVERTERS
q
PCMCIA CARDS
q
DATA ACQUISITION
q
AUDIO PROCESSING
q
COMMUNICATIONS
q
ACTIVE FILTERS
q
TEST EQUIPMENT
DESCRIPTION
OPA343 series rail-to-rail CMOS operational amplifi-
ers are designed for low cost, miniature applications.
They are optimized for low voltage, single supply
operation. Rail-to-rail input/output and high speed
operation make them ideal for driving sampling ana-
log-to-digital converters. They are also well suited for
general purpose and audio applications as well as
providing I/V conversion at the output of D/A convert-
ers. Single, dual, and quad versions have identical
specifications for design flexibility.
The OPA343 series operates on a single supply as low
as 2.5V, and input common-mode voltage range extends
500mV beyond the supply rails. Output voltage swings
to within 1mV of the supply rails with a 100k
load.
They offer excellent dynamic response (BW = 5.5MHz,
SR = 6V/
s), yet quiescent current is only 850
A. Dual
and quad designs feature completely independent cir-
cuitry for lowest crosstalk and freedom from interac-
tion.
The single (OPA343) packages are the tiny 5-lead
SOT-23-5 surface mount and SO-8 surface mount.
The dual (OPA2343) comes in the miniature MSOP-
8 surface mount and SO-8 surface mount. The quad
(OPA4343) packages are the space-saving SSOP-16
surface mount, SO-14 surface mount, and TSSOP-14
surface mount. All are specified from 40
C to +85
C
and operate from 55
C to +125
C. A SPICE
macromodel is available.
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
For most current data sheet and other product
information, visit www.burr-brown.com
1
2
3
4
5
6
7
14
13
12
11
10
9
8
Out D
In D
+In D
V
+In C
In C
Out C
Out A
In A
+In A
V+
+In B
In B
Out B
OPA4343
A
D
B
C
TSSOP-14
OPA343, 2343, 4343
2
PARAMETER
CONDITION
MIN
TYP
(1)
MAX
UNITS
OFFSET VOLTAGE
Input Offset Voltage
V
OS
V
S
= 5V
2
8
mV
vs Temperature
dV
OS
/dT
3
V/
C
vs Power Supply
PSRR
V
S
= 2.7V to 5.5V, V
CM
= 0V
40
200
V/V
T
A
= 40
C to +85
C
V
S
= 2.7V to 5.5V, V
CM
= 0V
200
V/V
Channel Separation, dc
0.2
V/V
INPUT BIAS CURRENT
Input Bias Current
I
B
0.2
10
pA
T
A
= 40
C to +85
C
60
pA
Input Offset Current
I
OS
0.2
10
pA
NOISE
Input Voltage Noise, f = 0.1 to 50kHz
8
Vrms
Input Voltage Noise Density, f = 1kHz
e
n
25
nV/
Hz
Current Noise Density, f = 1kHz
i
n
3
fA/
Hz
INPUT VOLTAGE RANGE
Common-Mode Voltage Range
V
CM
0.3
(V+) +0.3
V
Common-Mode Rejection Ratio
CMRR
0.3V < V
CM
< (V+) 1.8V
74
92
dB
V
S
= 5V, 0.3V
< V
CM
< 5.3V
60
75
dB
V
S
= 2.7V, 0.3V
< V
CM
< 3V
54
70
dB
INPUT IMPEDANCE
Differential
10
13
|| 3
|| pF
Common-Mode
10
13
|| 6
|| pF
OPEN-LOOP GAIN
Open-Loop Voltage Gain
A
OL
R
L
= 100k
, 5mV < V
O
< (V+) 5mV
100
120
dB
T
A
= 40
C to +85
C
R
L
= 100k
, 5mV < V
O
< (V+) 5mV
100
dB
R
L
= 10k
, 50mV < V
O
< (V+) 50mV
100
117
dB
T
A
= 40
C to +85
C
R
L
= 10k
, 50mV < V
O
< (V+) 50mV
100
dB
R
L
= 2k
, 200mV < V
O
< (V+) 200mV
92
110
dB
T
A
= 40
C to +85
C
R
L
= 2k
, 200mV < V
O
< (V+) 200mV
92
dB
FREQUENCY RESPONSE
Gain-Bandwidth Product
GBW
G = 1
5.5
MHz
Slew Rate
SR
V
S
= 5V, G = 1, C
L
= 100pF
6
V/
s
Settling Time, 0.1%
V
S
= 5V, 2V Step, C
L
= 100pF
1
s
0.01%
V
S
= 5V, 2V Step, C
L
= 100pF
1.6
s
Overload Recovery Time
V
IN
G = V
S
0.2
s
Total Harmonic Distortion + Noise
THD+N
V
S
= 5V, V
O
= 3Vp-p
(2)
, G = 1, f = 1kHz
0.0007
%
OUTPUT
Voltage Output Swing from Rail
(3)
R
L
= 100k
, A
OL
100dB
1
5
mV
T
A
= 40
C to +85
C
R
L
= 100k
,
A
OL
100dB
5
mV
R
L
= 10k
,
A
OL
100dB
10
50
mV
T
A
= 40
C to +85
C
R
L
= 10k
, A
OL
100dB
50
mV
R
L
= 2k
,
A
OL
92dB
40
200
mV
T
A
= 40
C to +85
C
R
L
= 2k
, A
OL
92dB
200
mV
Short-Circuit Current
I
SC
50
mA
Capacitive Load Drive
C
LOAD
See Typical Curve
POWER SUPPLY
Specified Voltage Range
V
S
2.7
5
V
Operating Voltage Range
2.5 to 5.5
V
Quiescent Current (per amplifier)
I
Q
I
O
= 0, V
S
= +5V
0.85
1.25
mA
T
A
= 40
C to +85
C
I
O
= 0, V
S
= +5V
1.4
mA
TEMPERATURE RANGE
Specified Range
40
+85
C
Operating Range
55
+125
C
Storage Range
65
+150
C
Thermal Resistance
JA
SOT-23-5 Surface Mount
200
C/W
MSOP-8 Surface Mount
150
C/W
SO-8 Surface Mount
150
C/W
SSOP-16 Surface Mount
100
C/W
SO-14 Surface Mount
100
C/W
TSSOP-14 Surface Mount
125
C/W
NOTES: (1) V
S
= +5V. (2) V
OUT
= 0.25V to 3.25V. (3) Output voltage swings are measured between the output and power supply rails.
OPA343NA, UA
OPA2343EA, UA
OPA4343EA, UA, NA
SPECIFICATIONS: V
S
= 2.7V to 5.5V
Boldface limits apply over the specified temperature range, T
A
= 40
C to +85
C. V
S
= 5V.
At T
A
= +25
C, R
L
= 10k
connected to V
S
/ 2 and V
OUT
= V
S
/2, unless otherwise noted.
OPA343, 2343, 4343
3
PACKAGE/ORDERING INFORMATION
Supply Voltage ................................................................................... 7.5V
Signal Input Terminals, Voltage
(2)
..................... (V) 0.5V to (V+) +0.5V
Current
(2)
.................................................... 10mA
Output Short-Circuit
(3)
.............................................................. Continuous
Operating Temperature .................................................. 55
C to +125
C
Storage Temperature ..................................................... 65
C to +150
C
Junction Temperature ...................................................................... 150
C
Lead Temperature (soldering, 10s) ................................................. 300
C
NOTES: (1) Stresses above these ratings may cause permanent damage.
Exposure to absolute maximum conditions for extended periods may de-
grade device reliability. (2) Input terminals are diode-clamped to the power
supply rails. Input signals that can swing more than 0.5V beyond the supply
rails should be current-limited to 10mA or less. (3) Short-circuit to ground,
one amplifier per package.
ABSOLUTE MAXIMUM RATINGS
(1)
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.
ELECTROSTATIC
DISCHARGE SENSITIVITY
This integrated circuit can be damaged by ESD. Burr-Brown
recommends that all integrated circuits be handled with
appropriate precautions. Failure to observe proper handling
and installation procedures can cause damage.
ESD damage can range from subtle performance degrada-
tion 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 its
published specifications.
PACKAGE
SPECIFIED
DRAWING
TEMPERATURE
PACKAGE
ORDERING
TRANSPORT
PRODUCT
PACKAGE
NUMBER
RANGE
MARKING
NUMBER
(1)
MEDIA
Single
OPA343NA
5-Lead SOT-23-5
331
40
C to +85
C
B43
OPA343NA /250
Tape and Reel
"
"
"
"
"
OPA343NA /3K
Tape and Reel
OPA343UA
SO-8 Surface-Mount
182
40
C to +85
C
OPA343UA
OPA343UA
Rails
"
"
"
"
"
OPA343UA /2K5
Tape and Reel
Dual
OPA2343EA
MSOP-8 Surface-Mount
337
40
C to +85
C
C43
OPA2343EA /250
Tape and Reel
"
"
"
"
"
OPA2343EA/2K5
Tape and Reel
OPA2343UA
SO-8 Surface-Mount
182
40
C to +85
C
OPA2343UA
OPA2343UA
Rails
"
"
"
"
"
OPA2343UA/2K5
Tape and Reel
Quad
OPA4343EA
SSOP-16 Surface-Mount
322
40
C to +85
C
OPA4343EA
OPA4343EA /250
Tape and Reel
"
"
"
"
"
OPA4343EA/2K5
Tape and Reel
OPA4343UA
SO-14 Surfac-Mount
235
40
C to +85
C
OPA4343UA
OPA4343UA
Rails
"
"
"
"
"
OPA4343UA/2K5
Tape and Reel
OPA4343NA
TSSOP-14 Surface-Mount
357
40
C to +85
C
OPA4343NA
OPA4343NA/250
Tape and Reel
"
"
"
"
"
OPA4343NA/2K5
Tape and Reel
NOTE: (1) Models with a slash (/) are available only in Tape and Reel in the quantities indicated (e.g., /2K5 indicates 2500 devices per reel). Ordering 2500 pieces
of "OPA2343EA/2K5" will get a single 2500 piece Tape and Reel.
OPA343, 2343, 4343
4
TYPICAL PERFORMANCE CURVES
At T
A
= +25
C, V
S
= +5V, and R
L
= 10k
connected to V
S
/2, unless otherwise noted.
CLOSED-LOOP OUTPUT IMPEDANCE
vs FREQUENCY
5k
4k
3k
2k
1k
0
Output Resistance (
)
Frequency (Hz)
10
100
1k
10k
100k
1M
10M
G = 100
G = 10
G = 1
INPUT VOLTAGE AND CURRENT NOISE
SPECTRAL DENSITY vs FREQUENCY
10k
1k
100
10
1
1k
100
10
1
0.1
Voltage Noise (nV
Hz)
Frequency (Hz)
1
10
100
1k
10k
100k
1M
Current Noise (fA
Hz)
Current Noise
Voltage Noise
TOTAL HARMONIC DISTORTION + NOISE
vs FREQUENCY
0.1
0.01
0.001
0.0001
THD+N (%)
Frequency (Hz)
20
100
1k
10k
20k
R
L
= 600
G = 10
G = 1
R
L
= 2k
R
L
= 2k
R
L
= 10k
R
L
= 600
R
L
= 10k
OPEN-LOOP GAIN/PHASE vs FREQUENCY
0.1
1
160
140
120
100
80
60
40
20
0
20
Voltage Gain (dB)
0
45
90
135
180
Phase ()
Frequency (Hz)
10
100
1k
10k
100k
1M
10M
POWER SUPPLY and COMMON-MODE
REJECTION vs FREQUENCY
100
80
60
40
20
0
PSRR, CMRR (dB)
Frequency (Hz)
1
10
100
1k
10k
100k
1M
PSRR
CMRR
V
CM
= 0.3V to (V+) 1.8V
CHANNEL SEPARATION vs FREQUENCY
Frequency (Hz)
Channel Separation (dB)
140
130
120
110
100
100
10
1k
10k
100k
Dual and quad devices.
G = 1, all channels.
Quad measured channel A to D
or B to C--other combinations
yield improved rejection.
OPA343, 2343, 4343
5
QUIESCENT CURRENT vs TEMPERATURE
1100
1000
900
800
700
600
Quiescent Current (A)
Temperature (C)
75
50
25
0
25
50
75
100
125
Per Amplifier
TYPICAL PERFORMANCE CURVES
(Cont.)
At T
A
= +25
C, V
S
= +5V, and R
L
= 10k
connected to V
S
/2, unless otherwise noted.
OPEN-LOOP GAIN AND POWER SUPPLY REJECTION
vs TEMPERATURE
130
120
110
100
90
80
A
OL
, PSRR (dB)
Temperature (C)
75
50
25
0
25
50
75
100
125
R
L
= 100k
R
L
= 10k
R
L
= 2k
A
OL
PSRR
COMMON-MODE REJECTION vs TEMPERATURE
100
90
80
70
60
50
40
CMRR (dB)
Temperature (C)
75
50
25
0
25
50
75
100
125
V
S
= 5V, V
CM
= 0.3V to 5.3V
V
S
= 2.7V, V
CM
= 0.3V to 3V
V
S
= 2.7V to 5V, V
CM
= 0.3V to (V+) 1.8V
SHORT-CIRCUIT CURRENT vs TEMPERATURE
Temperature (C)
Short-Circuit Current (mA)
100
90
80
70
60
50
40
30
20
10
0
75
50
25
0
25
50
75
100
125
I
SC
+I
SC
SHORT-CIRCUIT CURRENT vs SUPPLY VOLTAGE
Supply Voltage (V)
Short-Circuit Current (mA)
60
50
40
30
2.0
2.5
3.0
3.5
4.0
4.5
5.0
5.5
6.0
+I
SC
I
SC
QUIESCENT CURRENT vs SUPPLY VOLTAGE
Supply Voltage (V)
Quiescent Current (
A)
900
850
800
750
700
2.0
2.5
3.0
3.5
4.0
4.5
5.0
5.5
6.0
Per Amplifier
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