LT6210_12 LINER [Linear Technology], LT6210_12 Datasheet

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LT6210_12

Manufacturer Part Number
LT6210_12
Description
Single/Dual Programmable Supply Current
Manufacturer
LINER [Linear Technology]
Datasheet
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L, LT, LTC, LTM, Linear Technology and the Linear logo are registered trademarks and C-Load
and ThinSOT are trademarks of Linear Technology Corporation. All other trademarks are the
property of their respective owners.
Typical applicaTion
FeaTures
Programmable Supply Current and Bandwidth:
10MHz at 300µA per Amplifier up to
200MHz at 6mA per Amplifier
Rail-to-Rail Output:
0.05V to 2.85V on 3V Single Supply
High Slew Rate: 700V/µs
High Output Drive:
±75mA Minimum Output Current
C-Load™ Op Amp Drives All Capacitive Loads
Low Distortion:
–70dB HD2 at 1MHz 2V
–75dB HD3 at 1MHz 2V
Fast Settling:
20ns 0.1% Settling for 2V Step
Excellent Video Performance Into 150Ω Load:
Differential Gain of 0.20%, Differential Phase of 0.10°
Wide Supply Range:
3V to 12V Single Supply
±1.5V to ±6V Dual Supplies
Small Size:
Low Profile (1mm) 6-Lead ThinSOT™,
3mm × 3mm × 0.8mm DFN and 10-Lead MSOP Packages
Line Driver Configuration for Various Supply Currents
V
IN
R
3
4
G
+
–5V
LT6210
300µA
R
2
6mA
3mA
F
I
S
5V
6
5
R
R
SET
20k
56k
1M
1
SET
P-P
P-P
75
887
1.1k
11k
R
G
CABLE
75
887
1.1k
11k
R
F
75
R
150
150
LOAD
1k
6210 TA01
V
OUT
Current Feedback Amplifiers
Supply Current, R-R Output,
Single/Dual Programmable
DescripTion
applicaTions
The LT
amplifiers with externally programmable supply current
and bandwidth ranging from 10MHz at 300µA per ampli-
fier to 200MHz at 6mA per amplifier. They feature a low
distortion rail-to-rail output stage, 700V/µs slew rate and
a minimum output current drive of 75mA.
The LT6210/LT6211 operate on supplies as low as a single
3V and up to either 12V or ±6V. The I
optimization of quiescent current for specific bandwidth,
distortion or slew rate requirements. Regardless of supply
voltage, the supply current is programmable from just
300µA to 6mA per amplifier with an external resistor or
current source.
The LT6210 is available in the low profile (1mm) 6-lead
TSOT-23 package. The LT6211 is available in the 10-lead
MSOP and the 3mm × 3mm × 0.8mm DFN packages.
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Buffers
Video Amplifers
Cable Drivers
Mobile Communication
Low Power/Battery Applications
®
6210/LT6211 are single/dual current feedback
Small Signal Response vs Supply Current
–3
–6
9
6
3
0
0.1
V
A
T
V
S
V
A
OUT
= 25°C
= ±5V
= 2
= 100mV
1
I
S
FREQUENCY (MHz)
= 300µA
P-P
LT6210/LT6211
10
I
S
= 3mA
100
SET
I
S
= 6mA
6210 TA01b
pin allows for the
1000
3
0
–3
–6
–9
–12
62101fc
1

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LT6210_12 Summary of contents

Page 1

FeaTures Programmable Supply Current and Bandwidth: n 10MHz at 300µA per Amplifier up to 200MHz at 6mA per Amplifier Rail-to-Rail Output: n 0.05V to 2.85V on 3V Single Supply High Slew Rate: 700V/µs n High Output Drive: n ±75mA Minimum ...

Page 2

LT6210/LT6211 absoluTe MaxiMuM raTings (Note 1) + – Total Supply Voltage ( ..............................13.2V Input Current (Note 8) .....................................±10mA Output Current .................................................±80mA Output Short-Circuit Duration (Note 2) ............ Indefinite Operating Temperature Range (Note 3).... –40°C to 85°C Specified ...

Page 3

T ground + 887Ω 150Ω; For 150Ω to 1.5V unless otherwise specified. ...

Page 4

LT6210/LT6211 elecTrical characTerisTics apply over the specified operating temperature range, otherwise specifications are at T ground + 887Ω 150Ω; For 150Ω to 1.5V unless otherwise ...

Page 5

T ground + 1.1k 150Ω; For 150Ω to 1.5V unless otherwise specified. ...

Page 6

LT6210/LT6211 elecTrical characTerisTics apply over the specified operating temperature range, otherwise specifications are at T ground + 11k 1k; For 1.5V unless otherwise specified. SYMBOL PARAMETER CONDITIONS ...

Page 7

Typical ac perForMance I (mA) per S V (V) Amplifier R (Ω SET ±5 6 20k 1 ±5 6 20k 2 ±5 6 20k –1 ±5 3 56k 1 ±5 3 56k 2 ±5 3 56k –1 ±5 ...

Page 8

LT6210/LT6211 Typical perForMance characTerisTics Input Noise Spectral Density (I = 6mA per Amplifier) S 100 V = ± 150 L – 25° 0.1 0.001 0.01 0.1 1 ...

Page 9

Typical perForMance characTerisTics Output Voltage Swing vs I LOAD –3 ± –3.2 CM ∆V = 50mV OS –3 25°C A –3.6 –3.8 –4.0 –4.2 –4 300µA –4 ...

Page 10

LT6210/LT6211 Typical perForMance characTerisTics 2nd and 3rd Harmonic Distortion vs Frequency (I = 6mA per Amplifier ±5V S – 887 OUT P-P – 150 L ...

Page 11

Typical perForMance characTerisTics –3dB Small-Signal Bandwidth vs Supply Current 1000 100mV OUT P 25°C A 100 V = ± ±1. 0.1 1 SUPPLY CURRENT PER AMPLIFIER ...

Page 12

LT6210/LT6211 applicaTions inForMaTion Setting the Quiescent Operating Current (I The quiescent bias point of the LT6210/LT6211 is SET with either an external resistor from the I lower potential or by drawing a current out of the I pin. However, the ...

Page 13

Capacitive Loads The LT6210/LT6211 are stable with any capacitive load. Although peaking and overshoot may result in the AC transient response, the amplifier’s compensation decreases bandwidth with increasing output capacitive load to ensure stability. To maintain a response ...

Page 14

LT6210/LT6211 Typical applicaTions 3V Cable Driver with Active Termination Driving back-terminated cables on single supplies usually results in very limited signal amplitude at the receiving end of the cable. However, positive feedback can be used to reduce the size of ...

Page 15

DescripTion 3.55 ±0.05 1.65 ±0.05 2.15 ±0.05 (2 SIDES) 0.25 ± 0.05 RECOMMENDED SOLDER PAD PITCH AND DIMENSIONS PIN 1 TOP MARK (SEE NOTE 6) 0.200 REF DD Package DD Package 10-Lead Plastic DFN (3mm × 3mm) 10-Lead Plastic ...

Page 16

LT6210/LT6211 package DescripTion 0.889 ± 0.127 (.035 ± .005) 5.23 3.20 – 3.45 (.206) (.126 – .136) MIN 0.305 ± 0.038 (.0120 ± .0015) TYP RECOMMENDED SOLDER PAD LAYOUT NOTE: 1. DIMENSIONS IN MILLIMETER/(INCH) 2. DRAWING NOT TO SCALE 3. ...

Page 17

Rev C) REV DATE DESCRIPTION C 3/11 Revised the tape and reel part numbers and temperature ranges in the Order Information section. Information furnished by Linear Technology Corporation is believed to be accurate and ...

Page 18

LT6210/LT6211 Typical applicaTion Line Driver with Power Saving Mode In applications where low distortion or high slew rate are desirable but not necessary at all times, it may be possible to decrease the LT6210 or LT6211’s quiescent current when the ...

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