LT6201 Linear Technology, LT6201 Datasheet

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LT6201

Manufacturer Part Number
LT6201
Description
(LT6200 / LT6201) Op Amp Family
Manufacturer
Linear Technology
Datasheet

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FEATURES
TYPICAL APPLICATIO
APPLICATIO S
Low Noise Voltage: 0.95nV/ Hz (100kHz)
Gain Bandwidth Product:
Low Distortion: –80dB at 1MHz, R
Dual LT6201 in Tiny DFN Package
Input Common Mode Range Includes Both Rails
Output Swings Rail-to-Rail
Low Offset Voltage: 1mV Max
Wide Supply Range: 2.5V to 12.6V
Output Current: 60mA Min
SOT-23 and SO-8 Packages
Operating Temperature Range –40 C to 85 C
Power Shutdown, Thermal Shutdown
Transimpedance Amplifiers
Low Noise Signal Processing
Active Filters
Rail-to-Rail Buffer Amplifiers
Driving A/D Converters
LT6200/LT6201 165MHz
LT6200-5
LT6200-10
PHOTO
DIODE
I
PD
Single Supply, 1.5nV/ Hz, Photodiode Amplifier
U
800MHz
1.6GHz
5V
PHILIPS
BF862
1k
U
10k
10k
A
A
A
V
V
V
L
+
= 1
= 100
LT6200
5
10
0.1 F
C
R
F
F
6200 TA01
V
+I
OUT
PD
• R
2V
Low Noise, Op Amp Family
F
DESCRIPTIO
The LT
rail-to-rail input and output unity gain stable op amps that
feature 0.95nV/ Hz noise voltage. These amplifiers com-
bine very low noise with a 165MHz gain bandwidth,
50V/ s slew rate and are optimized for low voltage signal
conditioning systems. A shutdown pin reduces supply
current during standby conditions and thermal shutdown
protects the part from overload conditions.
The LT6200-5/LT6200-10 are single amplifiers optimized
for higher gain applications resulting in higher gain band-
width and slew rate. The LT6200 family maintains its
performance for supplies from 2.5V to 12.6V and are
specified at 3V, 5V and 5V.
For compact layouts the LT6200/LT6200-5/LT6200-10 are
available in the 6-lead ThinSOT
age. The dual LT6201 is available in an 8-pin SO package
with standard pinouts as well as a tiny, dual fine pitch
leadless package (DFN). These amplifiers can be used as
plug-in replacements for many high speed op amps to
improve input/output range and noise performance.
ThinSOT is a trademark of Linear Technology Corporation.
, LTC and LT are registered trademarks of Linear Technology Corporation.
165MHz, Rail-to-Rail Input
and Output, 0.95nV/ Hz
®
6200/LT6201 are single and dual ultralow noise,
–100
–110
–50
–60
–70
–80
–90
100k
HD2, R
A
V
V
V
O
S
U
= 1
= 2.5V
= 2V
Distortion vs Frequency
LT6200-10/LT6201
L
P-P
HD2, R
= 100
LT6200/LT6200-5
FREQUENCY (Hz)
HD3, R
L
= 1k
1M
L
TM
= 100
and the 8-pin SO pack-
HD3, R
L
6200 G35
= 1k
10M
62001fa
1

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LT6201 Summary of contents

Page 1

... For compact layouts the LT6200/LT6200-5/LT6200-10 are available in the 6-lead ThinSOT age. The dual LT6201 is available in an 8-pin SO package with standard pinouts as well as a tiny, dual fine pitch leadless package (DFN). These amplifiers can be used as plug-in replacements for many high speed op amps to improve input/output range and noise performance ...

Page 2

... ABSOLUTE AXI U RATI GS + – Total Supply Voltage ( ............................ 12.6V + – Total Supply Voltage ( (LT6201DD) ............. 7V Input Current (Note 2) ........................................ 40mA Output Short-Circuit Duration (Note 3) ............ Indefinite Pin Current While Exceeding Supplies (Note 12) ............................................................ 30mA Operating Temperature Range (Note 4) ...– PACKAGE/ORDER I FOR ATIO TOP VIEW + ...

Page 3

... S O – 5V 5V 1. – 3V 5V 1. 2.5V to 10V, LT6201DD 2.5V to 10V, LT6201DD Load I = 5mA SINK 20mA S SINK 20mA S SINK No Load I = 5mA SOURCE 20mA S SOURCE V = 3V, I ...

Page 4

... 5V 1. – 3V 5V 1. 10V, LT6201DD 10V, LT6201DD Load I = 5mA SINK 20mA S SINK 20mA S SINK No Load I = 5mA SOURCE 20mA S SOURCE V ...

Page 5

... –10 1k LT6200-5 LT6200- 5V (LT6200) S OUT P-P < temperature range. Excludes the LT6201 in the DD package half supply OPEN, unless otherwise noted. (Note 5) OUT SHDN CONDITIONS Half Supply 3V Half Supply – V ...

Page 6

... A = – 1k –10 1k LT6200-5 LT6200- 5V (LT6200) S OUT P-P = OPEN, unless otherwise noted. Excludes the LT6201 in the DD package (Note 3). SHDN CONDITIONS V = Half Supply – – Half Supply ...

Page 7

... ELECTRICAL CHARACTERISTICS noted. Excludes the LT6201 in the DD package (Note 3). SYMBOL PARAMETER CMRR Common Mode Rejection Ratio CMRR Match (Channel-to-Channel) (Note 11) PSRR Power Supply Rejection Ratio PSRR Match (Channel-to-Channel) (Note 6) V Output Voltage Swing LOW (Note Output Voltage Swing HIGH (Note 7) ...

Page 8

... LT6200/LT6200-5 LT6200-10/LT6201 ELECTRICAL CHARACTERISTICS temperature range. Excludes the LT6201 in the DD package (Note 3). V otherwise noted. SYMBOL PARAMETER V Input Offset Voltage OS Input Offset Voltage Match (Channel-to-Channel) (Note 11 Input Offset Voltage Drift (Note Input Bias Current Shift ...

Page 9

... OUT P-P indefinitely. The LT6201 in the DD package is limited by power dissipation to V 5V, 0V over the commercial temperature range only. S Note 4: The LT6200C/LT6200I and LT6201C/LT6201I are guaranteed functional over the temperature range of –40 C and 85 C (LT6201DD excluded). < OPEN, unless SHDN MIN TYP ...

Page 10

... V described in the thermal resistance tables in the Application Information section. Note 11: Matching parameters on the LT6201 are the difference between the two amplifiers. CMRR and PSRR match are defined as follows: CMRR and PSRR are measured in V/V on the identical amplifiers. The difference is calculated in V/V ...

Page 11

... – 0 100 L –1.0 –1.5 –2.0 –2.5 5 –5 –4 –3 –2 – OUTPUT VOLTAGE (V) LT6200/LT6200-5 LT6200-10/LT6201 Output Saturation Voltage vs Load Current (Output High 5V 125 – 0.01 0.1 1 100 LOAD CURRENT (mA) 6200 G08 Open-Loop Gain 2 ...

Page 12

... LT6200/LT6200-5 LT6200-10/LT6201 W U TYPICAL PERFOR A CE CHARACTERISTICS Warm-Up Drift vs Time (LT6200S8) 300 250 200 150 100 100 120 140 160 TIME AFTER POWER-UP (SEC) 6200 G16 Balanced Noise Current vs Frequency 5V, 0V ...

Page 13

... G24 Output Impedance vs Frequency 1000 100 0.1 0.01 0 FREQUENCY (MHz) LT6200/LT6200-5 LT6200-10/LT6201 LT6200, LT6201 Open-Loop Gain vs Frequency 120 PHASE 100 0. GAIN –20 0 – 5V 5pF – ...

Page 14

... P-P – –70 HD2 –80 HD2 100 L –90 HD3, R –100 HD3 100 L –110 100k 1M FREQUENCY (Hz) LT6200, LT6201 Overshoot vs Capacitive Load 5V 1000 10 100 CAPACITIVE LOAD (pF) 6200 G30 ...

Page 15

... V = 5V, 0V 200ns/DIV Output Overdrive Recovery 1V/DIV V OUT 0V 2V/DIV V = 5V, 0V 200ns/DIV LT6200, LT6201 = 2 Channel Separation vs Frequency – – –30 –40 –50 –60 –70 HD3 –80 L –90 –100 –110 –120 10M ...

Page 16

... LT6200/LT6200-5 LT6200-10/LT6201 W U TYPICAL PERFOR A CE CHARACTERISTICS Gain Bandwidth and Phase Margin vs Temperature PHASE MARGIN 1000 GAIN BANDWIDTH 900 800 V = 3V, 0V 700 S 600 500 –50 – 100 125 TEMPERATURE ( C) 6200 G45 Power Supply Rejection Ratio ...

Page 17

... 10.8pF SCOPE PROBE L Input Referred High Frequency Noise Spectrum 10nV 1nV/ Hz/DIV 0nV 100kHz 6200 G61 NOISE LIMITED BY INSTRUMENT NOISE FLOOR LT6200/LT6200-5 LT6200-10/LT6201 2nd and 3rd Harmonic Distortion vs Frequency – P-P – 2. 100 , 3RD L – ...

Page 18

... LT6200/LT6200-5 LT6200-10/LT6201 W U TYPICAL PERFOR A CE CHARACTERISTICS Gain Bandwidth and Phase Margin vs Temperature PHASE MARGIN 2000 GAIN BANDWIDTH 1800 1600 1400 1200 1000 –50 – 100 125 TEMPERATURE ( C) 6200 G62 Power Supply Rejection Ratio ...

Page 19

... S 6200 G75 10.8pF SCOPE PROBE L Input Referred High Frequency Noise Spectrum 10nV 1nV/ Hz/DIV 0nV 100kHz 6200 G78 LT6200/LT6200-5 LT6200-10/LT6201 2nd and 3rd Harmonic Distortion vs Frequency – P-P – 2. 100 , 2ND 100 , 3RD L – ...

Page 20

... LT6200/LT6200-5 LT6200-10/LT6201 U U APPLICATIO S I FOR ATIO Amplifier Characteristics Figure 1 shows a simplified schematic of the LT6200 family, which has two input differential amplifiers in par- allel that are biased on simultaneously when the common mode voltage is at least 1.5V from either rail. This topology allows the input stage to swing from the positive supply voltage to the negative supply voltage ...

Page 21

... P P D(MAX) Example: An LT6200 in TSOT-23 mounted on a 2500mm area of PC board without any extra heat spreading plane connected to its V LT6200/LT6200-5 LT6200-10/LT6201 – supply pin fused to the lead frame to JA – pin to provide a heat sink, the thermal BOARD AREA THERMAL RESISTANCE ...

Page 22

... LT6200/LT6200-5 LT6200-10/LT6201 U U APPLICATIO S I FOR ATIO 200 C/W, . Operating on 5V supplies driving 50 JA loads, the worst-case power dissipation is given by (10 • 23mA) + (2.5) D(MAX) = 0.23 + 0.125 = 0.355W The maximum ambient temperature that the part is allowed to operate is – (P • 200 C/ D(MAX) = 150 C – ...

Page 23

... TYP .016 – .050 .014 – .019 (0.406 – 1.270) (0.355 – 0.483) TYP INCHES (MILLIMETERS) LT6200/LT6200-5 LT6200-10/LT6201 2.90 BSC (NOTE 4) PIN ONE ID 0.30 – 0.45 6 PLCS (NOTE 3) 0.01 – 0.10 1.90 BSC S6 TSOT-23 0302 .189 – .197 NOTE 3 ...

Page 24

... LT6200/LT6200-5 LT6200-10/LT6201 U TYPICAL APPLICATIO Rail-to-Rail High Speed Low Noise Instrumentation Amplifier 150pF RELATED PARTS PART NUMBER DESCRIPTION LT1028 Single, Ultra Low Noise 50MHz Op Amp LT1677 Single, Low Noise Rail-to-Rail Amplifier LT1722/LT1723/LT1724 Single/Dual/Quad Low Noise Precision Op Amp LT1806/LT1807 Single/Dual, Low Noise 325MHz Rail-to-Rail Amplifier ...

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