OPA2345 반도체 회로 부품 판매점
LOW POWER / SINGLE-SUPPLY / RAIL-TO-RAIL OPERATIONAL AMPLIFIERS MicroAmplifier Series
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 Burr-Brown |
®
For most current data sheet and other product
information, visit www.burr-brown.com
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
SPECIFICATIONS: VS = 2.7V to 5.5V
At TA = +25°C, RL = 10kΩ connected to VS / 2 and VOUT = VS / 2, unless otherwise noted.
Boldface limits apply over the temperature range, TA = –40°C to +85°C.
PARAMETER
OFFSET VOLTAGE
Input Offset Voltage
Over Temperature
vs Temperature
vs Power Supply
Over Temperature
Channel Separation, dc
f = 1kHz
INPUT BIAS CURRENT
Input Bias Current
Over Temperature
Input Offset Current
NOISE
Input Voltage Noise
Input Voltage Noise Density
Current Noise Density
INPUT VOLTAGE RANGE
Common-Mode Voltage Range
Common-Mode Rejection Ratio
Over Temperature
Common-Mode Rejection
Over Temperature
Common-Mode Rejection
Over Temperature
INPUT IMPEDANCE
Differential
Common-Mode
OPEN-LOOP GAIN
Open-Loop Voltage Gain
Over Temperature
Over Temperature
FREQUENCY RESPONSE
Gain-Bandwidth Product
Slew Rate
Settling Time, 0.1%
0.01%
Overload Recovery Time
Total Harmonic Distortion + Noise
OUTPUT
Voltage Output Swing from Rail(1)
Over Temperature
Over Temperature
Short-Circuit Current
Capacitive Load Drive
POWER SUPPLY
Specified Voltage Range
Operating Voltage Range
Quiescent Current (per amplifier)
Over Temperature
TEMPERATURE RANGE
Specified Range
Operating Range
Storage Range
Thermal Resistance
SOT23-5 Surface Mount
MSOP-8 Surface Mount
8-Pin DIP
SO-8 Surface Mount
TSSOP-14 Surface Mount
14-Pin DIP
SO-14 Surface Mount
VOS
dVOS/dT
PSRR
IB
IOS
en
in
VCM
CMRR
CMRR
CMRR
AOL
GBW
SR
THD+N
ISC
CLOAD
VS
IQ
θJA
CONDITION
VS = +5.5V, VCM = VS/2
VS = 2.7V to 5.5V, VCM < (V+) -1.8V
VS = 2.7V to 5.5V, VCM < (V+) -1.8V
f = 0.1 to 50kHz
f = 10kHz
f = 10kHz
VS = +5.5V, –0.3V < VCM < (V+)-1.8
VS = +5.5V, –0.3V < VCM < (V+)-1.8
VS = +5.5V, –0.3V < VCM < 5.8V
VS = +5.5V, –0.3V < VCM < 5.8V
VS = +2.7V, –0.3V < VCM < 3V
VS = +2.7V, –0.3V < VCM < 3V
RL = 100kΩ, 10mV < VO < (V+) –10mV
RL = 100kΩ, 10mV < VO < (V+) –10mV
RL = 5kΩ, 400mV < VO < (V+) –400mV
RL = 5kΩ, 400mV < VO < (V+) –400mV
CL = 100pF
VS = 5.5V, 2V Step
VS = 5.5V, 2V Step
VIN • G = VS
VS = 5.5V, VO = 3Vp-p, G = 1, f = 1kHz
RL = 100kΩ, AOL ≥ 96dB
RL = 100kΩ, AOL ≥ 104dB
RL = 100kΩ, AOL ≥ 100dB
RL = 5kΩ, AOL ≥ 96dB
RL = 5kΩ, AOL ≥ 90dB
VS = 5.5V, IO = 0
NOTE: (1) Output voltage swings are measured between the output and power-supply rails.
® OPA344, 2344, 4344
OPA345, 2345, 4345
2
OPA344NA, UA, PA
OPA2344EA, UA, PA
OPA4344EA, UA, PA
MIN TYP MAX
±0.2 ±1
±0.8 ±1.2
±3
30 200
250
0.2
130
±0.2 ±10
See Typical Curve
±0.2 ±10
8
30
0.5
–0.3
76
74
70
68
66
64
(V+) + 0.3
92
84
80
1013 || 3
1013 || 6
104 122
100
96 120
90
1
0.8
5
8
2.5
0.006
1
3
40
±15
See Typical Curve
10
10
400
400
2.7 5.5
2.5 to 5.5
150 250
300
–40 85
–55 125
–65 150
200
150
100
150
100
80
100
UNITS
mV
mV
µV/°C
µV/V
µV/V
µV/V
dB
pA
pA
pA
µVrms
nV/√Hz
fA/√Hz
V
dB
dB
dB
dB
dB
dB
Ω || pF
Ω || pF
dB
dB
dB
dB
MHz
V/µs
µs
µs
µs
%
mV
mV
mV
mV
mV
mA
V
V
µA
µA
°C
°C
°C
°C/W
°C/W
°C/W
°C/W
°C/W
°C/W
°C/W
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OPA2345 amplifier
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