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LM148 LM248 LM348
FOUR UA741 QUAD BIPOLAR OPERATIONAL AMPLIFIERS
s LOW SUPPLY CURRENT: 0.53mA/AMPLIFIER
s CLASS AB OUTPUT STAGE: NO CROSS
OVER DISTORTION
s s s s s s
PIN COMPATIBLE WITH LM124 LOW INPUT OFFSET VOLTAGE: 1mV LOW INPUT OFFSET CURRENT: 2nA LOW INPUT BIAS CURRENT: 30nA GAIN BANDWIDTH PRODUCT: 1.3MHz HIGH DEGREE OF ISOLATION BETWEEN AMPLIFIERS: 120dB AND OUTPUTS
N DIP14 (Plastic Package)
s OVERLOAD PROTECTION FOR INPUTS
DESCRIPTION The LM148 consists of four independent, high gain internally compensated, low power operational amplifiers which have been designed to provide functional characteristics identical to those of the familiar UA741 operational amplifier. In addition the total supply current for all four amplifiers is compatible to the supply current of a single UA741 type op amp. Other features include input offset current and input bias current which are much less than those of a standard UA741. Also, excellent isolation between amplifiers has been achieved by independently biasing each amplifier and using layout techniques qhich minimize thermal coupling. The LM148 can be used anywhere multiple UA741 type amplifiers are being used and in applications where amplifier matching or high packaing density is required. ORDER CODE
Part Number Temperature Range Package N * * * D * * * D SO14 (Plastic Micropackage)
PIN CONNECTIONS (top view)
Output 1 1 Inverting Input 1 2 Non-inverting Input 1 3 VCC + 4 Non-inverting Input 2 Inverting Input 2 5 6 + + + +
14 Output 4 13 Inverting Input 4 12 Non-inverting Input 4 11 VCC 10 Non-inverting Input 3 9 8 Inverting Input 3 Output 3
Output 2 7
LM148 -55C, +125C LM248 -40C, +105C LM348 0C, +70C Example : LM348D
N = Dual in Line Package (DIP) D = Small Outline Package (SO) - also available in Tape & Reel (DT)
March 2002
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LM148-LM248-LM348
SCHEMATIC DIAGRAM
Vcc+
25W
Inverting input Non-inverting input 350kW
Output
7.4pF
Vcc+ 2.5kW
Vcc+
60W 340W 60kW 36kW
Vcc-
ABSOLUTE MAXIMUM RATINGS
Symbol VCC Vi Vid Ptot Toper Tstg
1. 2.
Parameter Supply voltage Input Voltage
1)
LM148
LM248 22 22 44
LM348
Unit V V V mW
Differential Input Voltage Output Short-circuit Duration Power Dissipation Operating Free-air Temperature Range Storage Temperature Range -55 to +125
2)
Infinite 500 -40 to +105 -65 to +150 0 to +70 C C
For supply voltage less than maximum value, the absolute maximum input voltage is equal to the supply voltage. Any of the amplifier outputs can be shorted to ground indefinitly; however more than one should not be simultaneously shorted as the maximum junction will be exceeded.
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LM148-LM248-LM348
ELECTRICAL CHARACTERISTICS VCC = 15V, Tamb = 25C (unless otherwise specified)
Symbol Vio Parameter Input Offset Voltage (Rs 10k) Tamb = 25C Tmin Tamb Tmax Input Offset Current Tamb = 25C Tmin Tamb Tmax Input Bias Current Tamb = 25C Tmin Tamb Tmax Large Signal Voltage Gain (Vo = 10V, RL = 2k) Tamb = 25C Tmin Tamb Tmax Supply Voltage Rejection Ratio (Rs 10k) Tamb = 25C Tmin Tamb Tmax Supply Current, all Amp, no load Tamb = 25C Tmin Tamb Tmax Input Common Mode Voltage Range Tamb = 25C Tmin Tamb Tmax Common Mode Rejection Ratio (Rs 10k) Tamb = 25C Tmin Tamb Tmax Output Short-circuit Current Tamb = 25C Output Voltage Swing Tamb = 25C Vopp Tmin Tamb Tmax RL 10k RL 2k RL 10k RL 2k 12 12 70 70 10 12 10 12 10 0.25 110 dB 50 25 77 77 Min. Typ. 1 Max. 5 6 25 75 100 300 Unit mV
Iio
2
nA
Iib
30
nA
Avd
160
V/mV
SVR
100
dB
Icc
2.1
3.6 4.8
mA
Vicm
CMR
Ios
25 13 12
35
mA
V
SR tr KOV RI GBP THD en
Slew Rate (VI = 10V, RL = 10k, CL = 100pF, unity Gain) Rsie Time (VI = 10V, RL = 10k, CL = 100pF, unity Gain) Overshoot (VI = 10V, RL = 10k, CL = 100pF, unity Gain) Input Resistance Gain Bandwith Product (VI = 10 mV, RL = 10k, CL = 100pF f =100kHz) Total Harmonic Distortion (f = 1kHz, Av = 20dB, RL = 10k CL = 100pF, Vo = 2Vpp) Equivalent Input Noise Voltage (f = 1kHz, Rs = 100
0.5 0.3 5
V/s s % M MHz % nV ----------Hz dB
0.8 0.7
2.5 1.3 0.08 40 120
Vo1/Vo2 Channel Separation
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LM148-LM248-LM348
PACKAGE MECHANICAL DATA 14 PINS - PLASTIC PACKAGE
Millimeters Dimensions Min. a1 B b b1 D E e e3 F i L Z 0.51 1.39 0.5 0.25 20 8.5 2.54 15.24 7.1 5.1 3.3 1.27 2.54 0.050 Typ. Max. 1.65 Min. 0.020 0.055
Inches Typ. Max. 0.065 0.020 0.010 0.787 0.335 0.100 0.600 0.280 0.201 0.130 0.100
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LM148-LM248-LM348
PACKAGE MECHANICAL DATA 14 PINS - PLASTIC MICROPACKAGE (SO)
L C
G c1
a2 b e3 D M e
A
s E
14 1
8 7 F
Millimeters Dimensions Min. A a1 a2 b b1 C c1 D (1) E e e3 F (1) G L M S 0.1 0.35 0.19 0.5 45 (typ.) 8.55 5.8 1.27 7.62 3.8 4.6 0.5 4.0 5.3 1.27 0.68 8 (max.) 0.150 0.181 0.020 8.75 6.2 0.336 0.228 Typ. Max. 1.75 0.2 1.6 0.46 0.25 Min. 0.004 0.014 0.007
a1
Inches Typ. Max. 0.069 0.008 0.063 0.018 0.010 0.020 0.344 0.244 0.050 0.300 0.157 0.208 0.050 0.027
Information furnished is believed to be accurate and reliable. However, STMicroelectronics assumes no responsibility for the consequences of use of such information nor for any infringement of patents or other rights of third parties which may result from its use. No license is granted by implication or otherwise under any patent or patent rights of STMicroelectronics. Specifications mentioned in this publication are subject to change without notice. This publication supersedes and replaces all information previously supplied. STMicroelectronics products are not authorized for use as critical components in life support devices or systems without express written approval of STMicroelectronics. (c) The ST logo is a registered trademark of STMicroelectronics (c) 2002 STMicroelectronics - Printed in Italy - All Rights Reserved STMicroelectronics GROUP OF COMPANIES Australia - Brazil - Canada - China - Finland - France - Germany - Hong Kong - India - Israel - Italy - Japan - Malaysia Malta - Morocco - Singapore - Spain - Sweden - Switzerland - United Kingdom - United States (c) http://www.st.com
Note : (1) D and F do not include mold flash or protrusions - Mold flash or protrusions shall not exceed 0.15mm (.066 inc) ONLY FOR DATA BOOK.
b1
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