LT6014 Linear Technology Corporation, LT6014 Datasheet

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LT6014

Manufacturer Part Number
LT6014
Description
Single/dual 145?a, 9.5nv/rthz, Av >=5, Rail-to-rail Output Precision Op Amps
Manufacturer
Linear Technology Corporation
Datasheet

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APPLICATIO S
FEATURES
TYPICAL APPLICATIO
Thermocouple Amplifiers
Precision Photodiode Amplifiers
Instrumentation Amplifiers
Battery-Powered Precision Systems
Low-Voltage Precision Systems
Micro-Power Sensor Interface
35µV Maximum Offset Voltage (LT6013A)
Low 1/f Noise: 200nV
Low White Noise: 9.5nV/√Hz (1kHz)
Rail-to-Rail Output Swing
145µA Supply Current per Amplifier
250pA Maximum Input Bias Current (LT6013A)
A
0.2V/µs Slew Rate
1.4MHz Gain Bandwidth Product
120dB Minimum Voltage Gain, V
0.8µV/°C Maximum V
2.7V to ±18V Supply Voltage Operation
Operating Temperature Range: – 40°C to 85°C
Available in SO-8 and Space Saving 3mm × 3mm
DFN Packages
V
≥5 Stable; Up to 500pF C
Gain of 10 Single Ended to Differential Converter
V
IN
40nV
U
2k
2k
RMS
OS
P-P
Drift
1/2 LT6014
1/2 LT6014
+
+
(0.1Hz to 10Hz)
(0.1Hz to 10Hz)
8.06k
10k
V
V
LOAD
+
U
S
= ±15V
5 • V
–5 • V
60134 TA01a
IN
IN
9.5nV/√Hz, A
Output Precision Op Amps
DESCRIPTIO
The LT
high precision input performance with low power con-
sumption and rail-to-rail output swing. The amplifiers are
stable in a gain of 5 or more and feature greatly improved
CMRR and PSRR versus frequency compared to other
precision op amps.
Input offset voltage is factory-trimmed to less than 35µV.
The low drift and excellent long-term stability ensure a
high accuracy over temperature and time. The 250pA
maximum input bias current and 120dB minimum voltage
gain further maintain this precision over operating
conditions.
The LT6013 and LT6014 operate from any supply voltage
from 2.7V to 36V and draw only 145µA of supply current
per amplifier on a 5V supply. The output swings to within
40mV of either supply rail, making the amplifiers very
useful for low voltage single supply operation.
The amplifiers are fully specified at 5V and ±15V supplies
and from –40°C to 85°C. The single LT6013 and dual
LT6014 are both available in SO-8 and space saving
3mm × 3mm DFN packages. For unity gain stable ver-
sions, refer to the LT6010 and LT6011 data sheets.
All other trademarks are the property of their respective owners.
, LTC and LT are registered trademarks of Linear Technology Corporation.
®
6013 and LT6014 op amps combine low noise and
LT6013/LT6014 0.1Hz to 10Hz Voltage Noise
0
V
T
EQUIVALENT RMS VOLTAGE = 40nV
Single/Dual 145µA,
S
A
= 5V, 0V
= 25°C
1
U
2
3
V
TIME (SEC)
4
≥5, Rail-to-Rail
LT6013/LT6014
5
6
7
8
RMS
60134 TA01b
9
10
60134fb
1

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LT6014 Summary of contents

Page 1

... The amplifiers are fully specified at 5V and ±15V supplies and from –40°C to 85°C. The single LT6013 and dual LT6014 are both available in SO-8 and space saving 3mm × 3mm DFN packages. For unity gain stable ver- sions, refer to the LT6010 and LT6011 data sheets. ...

Page 2

... LT6013AIS8 6 OUT PART MARKING S8 PACKAGE 6013 = 150°C, θ = 190°C/W JA 6013I 6013A 6013AI ORDER PART NUMBER TOP VIEW LT6014CS8 + LT6014IS8 8 V LT6014ACS8 7 OUT B A LT6014AIS8 6 – + PART MARKING S8 PACKAGE 6014 = 150°C, θ = 190°C/W JA 6014I ...

Page 3

... LT6013S8, LT6013DD, LT6014AS8, LT6014ADD T = 0°C to 70° –40°C to 85°C A LT6014S8, LT6014DD T = 0°C to 70° –40°C to 85° 1kHz, LT6013/LT6014 f = 1kHz, LT6013A/LT6014A Bandwidth = 0.1Hz to 10Hz LT6013/LT6014 MIN TYP MAX UNITS 10 35 µV ● 60 µV ● ...

Page 4

... Guaranteed by PSRR V = 2.7V to 36V 1/ 10k OUT OUT 4V, LT6014 OUT No Load, 50mV Overdrive ) I = 1mA, 50mV Overdrive SOURCE No Load, 50mV Overdrive I = 1mA, 50mV Overdrive SINK = 0V, 1V Overdrive, Source OUT V = 5V, –1V Overdrive, Sink OUT A = –10, R ...

Page 5

... LT6014DD T = 0°C to 70° –40°C to 85°C A LT6014AS8, LT6014ADD T = 0°C to 70° –40°C to 85°C A LT6014S8, LT6014DD T = 0°C to 70° –40°C to 85°C A LT6014 LT6014 per Amplifier T = 0°C to 70° –40°C to 85°C ...

Page 6

... Common Mode ±13.5V CM Differential Guaranteed by CMRR V = –13.5V to 13.5V CM Guaranteed by PSRR V = ±1.35V to ±18V 10k –13.5V to 13.5V L OUT –13.5V to 13.5V L OUT V = –13.5V to 13.5V, LT6014 OUT MIN TYP MAX UNITS ● 0.2 0.8 µV/°C ● 0.2 1.2 µV/°C 100 250 pA ● 500 pA ● 600 pA ...

Page 7

... LT6014DD T = 0°C to 70° –40°C to 85°C A LT6014AS8, LT6014ADD T = 0°C to 70° –40°C to 85°C A LT6014S8, LT6014DD T = 0°C to 70° –40°C to 85°C A LT6014 LT6014 per Amplifier T = 0°C to 70° –40°C to 85°C ...

Page 8

... Note 4: The LT6013C/LT6014C and LT6013I/LT6014I are guaranteed functional over the operating temperature range of – 40°C to 85°C. Note 5: The LT6013C and LT6014C are guaranteed to meet the specified performance from 0°C to 70°C and are designed, characterized and expected to meet specified performance from – 40°C to 85°C but is not tested or QA sampled at these temperatures. The LT6013I and LT6014I are guaranteed to meet specified performance from – ...

Page 9

... Output Saturation Voltage vs Load Current (Output High 5V 85° 25° –40°C A 0.01 0.01 0.1 1 LOAD CURRENT (mA) LT6013/LT6014 0.1Hz to 10Hz Voltage Noise 25°C A 10M 100M TIME (SEC) TIME (SEC) 60134 G08 0.01Hz to 1Hz Current Noise ...

Page 10

... OUT P 25° 0.1 0.01 0.001 0.0001 10 100 1k 10k 100k FREQUENCY (Hz) 60134 G16 Channel Separation vs Frequency 160 LT6014 140 T = 25°C A 120 100 100 1k 10k 100k 1M FREQUENCY (Hz) 60134 G20 PSRR vs Frequency, Split Supplies 140 V = ± ...

Page 11

... –4 100k 1M 1k 60134 G26 Large-Signal Transient Response 1V/DIV A = –4 20µs/DIV 60134 G29 5V LT6013/LT6014 Gain and Phase vs Frequency 5V 25° 10k PHASE 20 GAIN 10 0 –10 – 20 –30 – 40 ...

Page 12

... AMP GAIN = STABLE ≥ Figure 1. Use LT6013 and LT6014 in a Gain Greater 10k V IN 2.5k 1nF UNITY GAIN FOLLOWER Find the differential voltage that would appear across the two inputs of the op amp. ...

Page 13

... Capacitive Loads The LT6013 and LT6014 can drive capacitive loads up to 500pF at a gain of 5. The capacitive load driving capability increases as the amplifier is used in higher gain configu- rations. A small series resistance between the output and the load further increases the amount of capacitance that the amplifier can drive ...

Page 14

... LT6013/LT6014 PLIFIED SCHE ATIC + 500Ω – +IN R2 500Ω – (One Amplifier Q21 Q22 B A Q16 Q17 Q11 Q9 Q15 R6 R5 Q18 Q13 Q12 C3 Q14 Q10 Q19 OUT ...

Page 15

... LTC DWG # 05-08-1610) .189 – .197 (4.801 – 5.004) NOTE .150 – .157 .228 – .244 (3.810 – 3.988) (5.791 – 6.197) NOTE LT6013/LT6014 R = 0.115 0.38 ± 0.10 TYP 5 8 1.65 ± 0.10 3.00 ±0.10 (4 SIDES) (2 SIDES 0.25 ± 0.05 0.75 ±0.05 0.50 BSC 2.38 ±0.10 (2 SIDES) 0.00 – ...

Page 16

... TO ±18V S C1, CD SATISFY GAIN OF 5 – V STABILITY REQUIREMENT OUTPUT OFFSET = 60µV MAX FOR LT6013AS8 COMMENTS 250pA Input Bias Current SOT-23 LOAD 14nV/√Hz, Unity-Gain Stable Version of LT6014 200pA Input Bias Current, Shutdown Feature www.linear.com ● 1/2 LT6014 2 – ...

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