LT1679CS Linear Technology, LT1679CS Datasheet

IC OPAMP R-R I/O QUAD LN 14SOIC

LT1679CS

Manufacturer Part Number
LT1679CS
Description
IC OPAMP R-R I/O QUAD LN 14SOIC
Manufacturer
Linear Technology
Datasheet

Specifications of LT1679CS

Amplifier Type
General Purpose
Number Of Circuits
4
Output Type
Rail-to-Rail
Slew Rate
6 V/µs
Gain Bandwidth Product
20MHz
Current - Input Bias
2nA
Voltage - Input Offset
20µV
Current - Supply
2.5mA
Current - Output / Channel
35mA
Voltage - Supply, Single/dual (±)
2.7 V ~ 36 V, ±1.35 V ~ 18 V
Operating Temperature
-40°C ~ 85°C
Mounting Type
Surface Mount
Package / Case
14-SOIC (3.9mm Width), 14-SOL
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
-3db Bandwidth
-

Available stocks

Company
Part Number
Manufacturer
Quantity
Price
Part Number:
LT1679CS
Manufacturer:
LT
Quantity:
26
Part Number:
LT1679CS
Manufacturer:
LINEAR/凌特
Quantity:
20 000
Part Number:
LT1679CS#PBF
Manufacturer:
AKM
Quantity:
350
Part Number:
LT1679CS#PBF
Manufacturer:
LINEAR/凌特
Quantity:
20 000
FEATURES
TYPICAL APPLICATIO
APPLICATIO S
Rail-to-Rail Input and Output
100% Tested Low Voltage Noise:
Single Supply Operation from 2.7V to 36V
Offset Voltage: 100µV Max
Low Input Bias Current: 20nA Max
High A
High CMRR: 100dB Min
High PSRR: 106dB Min
Gain Bandwidth Product: 20MHz
Operating Temperature Range: – 40°C to 85°C
Matching Specifications
No Phase Inversion
8-Lead SO and 14-Lead SO Packages
Strain Gauge Amplifiers
Portable Microphones
Battery-Powered Rail-to-Rail Instrumentation
Low Noise Signal Processing
Microvolt Accuracy Threshold Detection
Infrared Detectors
INPUT
3.9nV/√Hz Typ at 1kHz
5.5nV/√Hz Max at 1kHz
VOL
+
: 3V/µV Min, R
GUARD
GUARD
Instrumentation Amplifier with Shield Driver
U
13
12
3
2
8
+
+
LT1679
LT1679
L
1/4
1/4
= 10k
LT1679
1/4
U
+
14
1
10
9
R
3.4k
R
100Ω
R
100Ω
R
3.4k
F
G
G
F
1k
1k
16789 TA01
5
6
+
LT1679
GAIN = 1000
1/4
–15V
15V
30k
11
4
Rail-to-Rail, Precision Op Amps
7
DESCRIPTIO
The LT
offering both low noise and precision: 3.9nV/√Hz wideband
noise, 1/f corner frequency of 4Hz and 90nV peak-to-peak
0.1Hz to 10Hz noise are combined with outstanding
precision: 100µV maximum offset voltage, greater than
100dB common mode and power supply rejection and
20MHz gain bandwidth product. The LT1678/LT1679 bring
precision as well as low noise to single supply applications as
low as 3V. The input range exceeds the power supply by
100mV with no phase inversion while the output can swing
to within 170mV of either rail.
The LT1678/LT1679 are offered in the SO-8 and SO-14
packages. A full set of matching specifications are also
provided, facilitating their use in matching dependent appli-
cations such as a two op amp instrumentation amplifier
design. The LT1678/LT1679 are specified for supply volt-
ages of ±15V, single 5V as well as single 3V. For a single
amplifier with similiar performance, see the LT1677 data
sheet.
30k
, LTC and LT are registered trademarks of Linear Technology Corporation.
OUTPUT
®
1678/LT1679 are dual/quad rail-to-rail op amps
Dual/Quad Low Noise,
U
0
V
0.1Hz to 10Hz Voltage Noise
S
= ±2.5V
2
LT1678/LT1679
4
TIME (sec)
6
8
16789 TA01b
sn16789 16789fs
10
1

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LT1679CS Summary of contents

Page 1

... The LT1678/LT1679 are specified for supply volt- ages of ±15V, single 5V as well as single 3V. For a single amplifier with similiar performance, see the LT1677 data sheet. , LTC and LT are registered trademarks of Linear Technology Corporation. 1k 30k 1 R ...

Page 2

... 5V – 0V, 0°C ≤ T ≤ 70° 5V 0V, – 40°C ≤ T ≤ 85° ORDER PART TOP VIEW NUMBER 14 OUT D 13 LT1679CS – +IN D LT1679IS – + – OUT C S PACKAGE = 160° 5V 2.5V unless MIN TYP MAX ...

Page 3

ELECTRICAL CHARACTERISTICS temperature range, otherwise specifications are at T otherwise noted. SYMBOL PARAMETER I Input Offset Current OS e Input Noise Voltage n Input Noise Voltage Density (Note 8) i Input Noise Current Density n V Input Voltage Range CM ...

Page 4

LT1678/LT1679 ELECTRICAL CHARACTERISTICS temperature range, otherwise specifications are at T otherwise noted. SYMBOL PARAMETER V Output Voltage Swing Low (Note 11 Output Voltage Swing High (Note 11 Output Short-Circuit Current (Note Slew Rate ...

Page 5

ELECTRICAL CHARACTERISTICS temperature range, otherwise specifications are at T SYMBOL PARAMETER V Input Offset Voltage OS Average Input Offset Drift (Note 10) ∆V OS ∆Temp I Input Bias Current B I Input Offset Current OS e Input Noise Voltage n ...

Page 6

LT1678/LT1679 ELECTRICAL CHARACTERISTICS temperature range, otherwise specifications are at T SYMBOL PARAMETER V Output Voltage Swing Low OL V Output Voltage Swing High OH I Output Short-Circuit Current (Note Slew Rate GBW Gain Bandwidth Product THD Total ...

Page 7

ELECTRICAL CHARACTERISTICS Note 1: Absolute Maximum Ratings are those values beyond which the life of the device may be impaired. Note 2: The inputs are protected by back-to-back diodes. Current limiting resistors are not used in order to achieve low ...

Page 8

LT1678/LT1679 W U TYPICAL PERFOR A CE CHARACTERISTICS Voltage Noise vs Temperature ±15V 10Hz 4 1kHz –50 – 100 125 TEMPERATURE (°C) 16789 G04 ...

Page 9

W U TYPICAL PERFOR A CE CHARACTERISTICS Common Mode Range vs Temperature ±2.5V TO ±15V 25°C –55°C 1 –55°C 125°C 0 25°C – REFERRED TO OS – ...

Page 10

LT1678/LT1679 W U TYPICAL PERFOR A CE CHARACTERISTICS Settling Time vs Output Step (Inverting ±15V – 25°C – OUT + 4 0.01% OF 0.01% ...

Page 11

U U APPLICATIO S I FOR ATIO Rail-to-Rail Operation To take full advantage of an input range that can exceed the supply, the LT1678/LT1679 are designed to eliminate phase reversal. Referring to the photographs shown in Figure 1, the LT1678/LT1679 ...

Page 12

LT1678/LT1679 U U APPLICATIO S I FOR ATIO 0.1µF 100k 10Ω – LT1678 + 4.7µF VOLTAGE GAIN = 50,000 *DEVICE UNDER TEST 24.3k NOTE: ALL CAPACITOR VALUES ARE FOR NONPOLARIZED CAPACITORS ONLY Figure 3. 0.1Hz to 10Hz Noise ...

Page 13

U U APPLICATIO S I FOR ATIO Rail-to-Rail Input The input common mode range for the LT1678/LT1679 can exceed the supplies by at least 100mV. As the common mode voltage approaches the positive rail (+V – 0.7V), the tail current ...

Page 14

LT1678/LT1679 PLIFIED SCHE ATIC 14 sn16789 16789fs ...

Page 15

... MOLD FLASH OR PROTRUSIONS SHALL NOT EXCEED .006" (0.15mm) Information furnished by Linear Technology Corporation is believed to be accurate and reliable. However, no responsibility is assumed for its use. Linear Technology Corporation makes no represen- tation that the interconnection of its circuits as described herein will not infringe on existing patent rights. ...

Page 16

... Low Noise, 325MHz Rail-to-Rail Input and Output Op Amp LT1881/LT1882 Dual/Quad Rail-to-Rail Output Picoamp Input Precision Op Amps LT1884/LT1885 Dual/Quad Rail-to-Rail Output Picoamp Input Precision Op Amps C-Load is a trademark of Linear Technology Corporation. Linear Technology Corporation 16 1630 McCarthy Blvd., Milpitas, CA 95035-7417 (408) 432-1900 FAX: (408) 434-0507 ● ...

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