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OPA4348AIDG4

Part # OPA4348AIDG4
Description IC OPAMP GP 1MHZ RRO 14SOIC
Category IC
Availability In Stock
Qty 105
Qty Price
1 - 22 $1.26509
23 - 44 $1.00632
45 - 66 $0.94882
67 - 88 $0.88173
89 + $0.78589
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Texas Instruments
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Technical Document


DISCLAIMER: The information provided herein is solely for informational purposes. Customers must be aware of the suitability of this product for their application, and consider that variable factors such as Manufacturer, Product Category, Date Codes, Pictures and Descriptions may differ from available inventory.

1MHz, 45µA, CMOS, Rail-to-Rail
OPERATIONAL AMPLIFIERS
FEATURES
● LOW I
Q
: 45µA typical
● LOW COST
● RAIL-TO-RAIL INPUT AND OUTPUT
● SINGLE SUPPLY: +2.1V to +5.5V
● INPUT BIAS CURRENT: 0.5pA
●
Micro
SIZE PACKAGES: SC70-5, SOT23-8 and
TSSOP-14
● HIGH SPEED:POWER WITH BANDWIDTH: 1MHz
APPLICATIONS
● PORTABLE EQUIPMENT
● BATTERY-POWERED EQUIPMENT
● SMOKE ALARMS
● CO DETECTORS
● MEDICAL INSTRUMENTATION
DESCRIPTION
The OPA348 series amplifiers are single supply, low-power,
CMOS op amps in micro packaging. Featuring an extended
bandwidth of 1MHz, and a supply current of 45µA, the
OPA348 series is useful for low-power applications on single
supplies of 2.1V to 5.5V.
Low supply current of 45µA, and an input bias current of
0.5pA, make the OPA348 series an optimal candidate for
low-power, high-impedance applications such as smoke de-
tectors and other sensors.
The OPA348 is available in the miniature SC70-5,
SOT23-5 and SO-8 packages. The OPA2348 is available in
SOT23-8 and SO-8 packages, and the OPA4348 is offered
in space-saving TSSOP-14 and SO-14 packages. The ex-
tended temperature range of –40°C to +125°C over all supply
voltages offers additional design flexibility.
OPA348
OPA2348
OPA4348
SBOS213C – NOVEMBER 2001 – REVISED MAY 2002
www.ti.com
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of Texas Instruments
standard warranty. Production processing does not necessarily include
testing of all parameters.
Copyright © 2001, Texas Instruments Incorporated
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
®
OPA348
O
P
A
3
4
8
O
P
A
2
3
4
8
O
P
A
4
3
4
8
PACKAGES OPA348 OPA2348 OPA4348
SOT23-5 X
SOT23-8 X
SO-8 X X
TSSOP-14 X
SO-14 X
SC70-5 X
1
2
3
5
4
V+
–In
Out
V–
+In
OPA348
SOT23-5
1
2
3
4
8
7
6
5
NC
V+
Out
NC
NC
–In
+In
V–
OPA348
SO-8
1
2
3
4
8
7
6
5
V+
Out B
–In B
+In B
Out A
–In A
+In A
V–
OPA2348
SOT23-8, SO-8
A
B
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
OPA4348
TSSOP-14, SO-14
AD
BC
1
2
3
5
4
V+
Out
+In
V–
–In
OPA348
SC70-5
OPA348, 2348, 4348
2
SBOS213C
www.ti.com
Supply Voltage, V– to V+................................................................... 7.5V
Signal Input Terminals, Voltage
(2)
.................. (V–) – 0.5V to (V+) + 0.5V
Current
(2)
.................................................... 10mA
Output Short-Circuit
(3)
.............................................................. Continuous
Operating Temperature ..................................................–65°C to +150°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
degrade device reliability. These are stress ratings only. Functional opera-
tion of the device at these conditions, or beyond the specified operating
conditions, is not implied. (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)
ELECTROSTATIC
DISCHARGE SENSITIVITY
This integrated circuit can be damaged by ESD. Texas Instru-
ments 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/ORDERING INFORMATION
SPECIFIED
PACKAGE TEMPERATURE PACKAGE ORDERING TRANSPORT
PRODUCT PACKAGE-LEAD DESIGNATOR
(1)
RANGE MARKING NUMBER
(2)
MEDIA, QUANTITY
Single
OPA348AI SOT23-5 DBV –40°C to +125°C A48 OPA348AIDBVT Tape and Reel, 250
" """"OPA348AIDBVR Tape and Reel, 3000
OPA348AI SO-8 D –40°C to +125°C 348A OPA348AID Tubes, 100
" """"OPA348AIDR Tape and Reel, 2500
OPA348AI SC70-5 DCK –40°C to 125°C S48 OPA348AIDCKT Tape and Reel, 250
" """"OPA348AIDCKR Tape and Reel, 3000
Dual
OPA2348AI SOT23-8 DCN –40°C to +125°C B48 OPA2348AIDCNT Tape and Reel, 250
" """"OPA2348AIDCNR Tape and Reel, 3000
OPA2348AI SO-8 D –40°C to +125°C 2348A OPA2348AID Tubes, 100
" """"OPA2348AIDR Tape and Reel, 2500
Quad
OPA4348AI SO-14 D –40°C to +125°C OPA4348 OPA4348AID Tubes, 58
" """"OPA4348AIDR Tape and Reel, 2500
OPA4348AI TSSOP-14 PW –40°C to +125°C 4348A OPA4348AIPWT Tubes, 250
" """"OPA4348AIPWR Tape and Reel, 2500
NOTES: (1) For the most current specifications and package information, refer to our web site at www.ti.com. (2) Models labeled with “T” indicate smaller quantity
tape and reel, “R” indicates large quantity tape and reel and “D” indicates tubes of specified quantity.
OPA348, 2348, 4348
3
SBOS213C
www.ti.com
OPA348
OPA2348
OPA4348
ELECTRICAL CHARACTERISTICS: V
S
= 2.5V to 5.5V
Boldface limits apply over the specified temperature range, T
A
= –40°C to +125°C
At T
A
= +25°C, R
L
= 100kΩ connected to V
S
/ 2 and V
OUT
= V
S
/ 2, unless otherwise noted.
PARAMETER CONDITION MIN TYP MAX UNITS
OFFSET VOLTAGE
Input Offset Voltage V
OS
V
S
= 5V, V
CM
= (V–) + 0.8V 1 5 mV
Over Temperature 6mV
Drift dV
OS
/dT 4 µV/°C
vs Power Supply PSRR V
S
= 2.5V to 5.5V, V
CM
< (V+) – 1.7V 60 175 µV/V
Over Temperature V
S
= 2.5V to 5.5V, V
CM
< (V+) – 1.7V 300 µV/V
Channel Separation, dc 0.2 µV/V
f = 1kHz 134 dB
INPUT VOLTAGE RANGE
Common-Mode Voltage Range V
CM
(V–) – 0.2 (V+) + 0.2 V
Common-Mode Rejection Ratio CMRR
(V–) – 0.2V < V
CM
< (V+) – 1.7V
70 82 dB
over Temperature
(V–) < V
CM
< (V+) – 1.7V
66 dB
V
S
= 5.5V, (V–) – 0.2V < V
CM
< (V+) + 0.2V
60 71 dB
over Temperature
V
S
= 5.5V, (V–) < V
CM
< (V+)
56 dB
INPUT BIAS CURRENT
Input Bias Current I
B
±0.5 ±10 pA
Input Offset Current I
OS
±0.5 ±10 pA
INPUT IMPEDANCE
Differential 10
13
|| 3 Ω || pF
Common-Mode 10
13
|| 6 Ω || pF
NOISE V
CM
< (V+) – 1.7V
Input Voltage Noise, f = 0.1Hz to 10Hz 10 µVp-p
Input Voltage Noise Density, f = 1kHz e
n
35 nV/√Hz
Input Current Noise Density, f = 1kHz i
n
4fA/√Hz
OPEN-LOOP GAIN
Open-Loop Voltage Gain A
OL
V
S
= 5V, R
L
= 100kΩ, 0.025V < V
O
< 4.975V
94 108 dB
over Temperature
V
S
= 5V, R
L
= 100k
Ω
, 0.025V < V
O
< 4.975V
90 dB
V
S
= 5V, R
L
= 5kΩ, 0.125V < V
O
< 4.875V
90 98 dB
over Temperature
V
S
= 5V, R
L
= 5k
Ω
, 0.125V < V
O
< 4.875V
88 dB
OUTPUT
Voltage Output Swing from Rail R
L
= 100kΩ, A
OL
> 94dB 18 25 mV
over Temperature R
L
= 100kΩ, A
OL
> 90dB 25 mV
R
L
= 5kΩ, A
OL
> 90dB 100 125 mV
over Temperature R
L
= 5kΩ, A
OL
> 88dB 125 mV
Short-Circuit Current I
SC
±10 mA
Capacitive Load Drive C
LOAD
See Typical Characteristics
FREQUENCY RESPONSE C
L
= 100pF
Gain-Bandwidth Product GBW 1 MHz
Slew Rate SR G = +1 0.5 V/µs
Settling Time, 0.1% t
S
V
S
= 5.5V, 2V Step, G = +1 5 µs
0.01% V
S
= 5.5V, 2V Step, G = +1 7 µs
Overload Recovery Time V
IN
• Gain > V
S
1.6 µs
Total Harmonic Distortion + Noise THD+N V
S
= 5.5V, V
O
= 3Vp-p, G = +1, f = 1kHz 0.0023 %
POWER SUPPLY
Specified Voltage Range V
S
2.5 5.5 V
Minimum Operating Voltage 2.1 to 5.5 V
Quiescent Current (per amplifier) I
Q
I
O
= 0 45 65 µA
over Temperature 75
µA
TEMPERATURE RANGE
Specified Range –40 125 °C
Operating Range –65 150 °C
Storage Range –65 150 °C
Thermal Resistance
θ
JA
SOT23-5 Surface-Mount 200 °C/W
SOT23-8 Surface-Mount 150 °C/W
MSOP-8 Surface-Mount 150 °C/W
SO-8 Surface-Mount 150 °C/W
SO-14 Surface-Mount 100 °C/W
TSSOP-14 Surface-Mount 100 °C/W
SC70-5 Surface-Mount 250 °C/W
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