LT6230-10 Amp Datasheet

LT6230-10 Datasheet PDF, Equivalent


Part Number

LT6230-10

Description

Op Amp

Manufacture

Linear

Total Page 24 Pages
PDF Download
Download LT6230-10 Datasheet PDF


LT6230-10
LT6230/LT6230-10
LT6231/LT6232
215MHz, Rail-to-Rail Output,
1.1nV/Hz, 3.5mA Op Amp Family
Features
Description
n Low Noise Voltage: 1.1nV/√Hz
n Low Supply Current: 3.5mA/Amp Max
n Low Offset Voltage: 350µV Max
n Gain Bandwidth Product:
LT6230: 215MHz; AV ≥ 1
LT6230-10: 1450MHz; AV ≥ 10
n Wide Supply Range: 3V to 12.6V
n Output Swings Rail-to-Rail
n Common Mode Rejection Ratio: 115dB Typ
n Output Current: 30mA
n Operating Temperature Range: –40°C to 85°C
n LT6230 Shutdown to 10µA Maximum
n LT6230/LT6230-10 in a Low Profile (1mm)
ThinSOT™ Package
n Dual LT6231 in 8-Pin SO and Tiny DFN Packages
n LT6232 in a 16-Pin SSOP Package
Applications
n Ultrasound Amplifiers
n Low Noise, Low Power Signal Processing
n Active Filters
n Driving A/D Converters
n Rail-to-Rail Buffer Amplifiers
The LT®6230/LT6231/LT6232 are single/dual/quad low
noise, rail-to-rail output unity-gain stable op amps that
feature 1.1nV/√Hz noise voltage and draw only 3.5mA of
supply current per amplifier. These amplifiers combine
very low noise and supply current with a 215MHz gain-
bandwidth product, a 70V/µs slew rate and are optimized
for low supply voltage signal conditioning systems. The
LT6230-10 is a single amplifier optimized for higher gain
applications resulting in higher gain bandwidth and slew
rate. The LT6230 and LT6230-10 include an enable pin
that can be used to reduce the supply current to less
than 10µA.
The amplifier family has an output that swings within 50mV
of either supply rail to maximize the signal dynamic range
in low supply applications and is specified on 3.3V, 5V and
±5V supplies. The en • √ISUPPLY product of 1.9 per amplifier
is among the most noise efficient of any op amp.
The LT6230/LT6230-10 are available in the 6-lead SOT‑23
package and the LT6231 dual is available in the 8-pin SO
package with standard pinouts. For compact layouts,
the dual is also available in a tiny dual fine pitch leadless
package (DFN). The LT6232 is available in the 16-pin
SSOP package.
L, LT, LTC, LTM, Linear Technology and the Linear logo are registered trademarks of Linear
Technology Corporation. ThinSOT is a trademark of Linear Technology Corporation. All other
trademarks are the property of their respective owners.
Typical Application
Low Noise Low Power Instrumentation Amplifier
VS+
IN+ +
1/2 LT6231
R4
499Ω
R6
499Ω
R2
196Ω
R1
10Ω
R3
196Ω
1/2 LT6231
R5
499Ω
VS+
+
LT6202
VOUT
VS–
R7
499Ω
623012 TA01a
IN+
VS–
AV = 40
BW = 5.1MHz
VS = ±1.5V to ±5V
IS = 10mA
EN = 5.8µVRMS INPUT REFERRED,
MEASUREMENT BW = 8MHz
Noise Voltage and Unbalanced
Noise Current vs Frequency
6
5
VTVASCM==
±2.5V
25°C
= 0V
6
5
44
33
NOISE CURRENT
22
1 NOISE VOLTAGE 1
00
10 100 1k 10k 100k
FREQUENCY (Hz)
623012 TA01b
623012fc
1

LT6230-10
LT6230/LT6230-10
LT6231/LT6232
Absolute Maximum Ratings (Note 1)
Total Supply Voltage (V+ to V)............................... 12.6V
Input Current (Note 2).......................................... ±40mA
Output Short-Circuit Duration (Note 3)............. Indefinite
Operating Temperature Range (Note 4)....–40°C to 85°C
Specified Temperature Range (Note 5).....–40°C to 85°C
Junction Temperature............................................ 150°C
Junction Temperature (DD Package)..................... 125°C
Storage Temperature Range................... –65°C to 150°C
Storage Temperature Range
(DD Package)......................................... –65°C to 125°C
Lead Temperature (Soldering, 10 sec).................... 300°C
Pin Configuration
OUT 1
V2
+IN 3
TOP VIEW
6 V+
5 ENABLE
4 –IN
S6 PACKAGE
6-LEAD PLASTIC TSOT-23
TJMAX = 150°C, θJA = 250°C/W
TOP VIEW
OUT A 1
8 V+
–IN A 2
+IN A 3
V4
+
7 OUT B
6 –IN B
+ 5 +IN B
S8 PACKAGE
8-LEAD PLASTIC SO
TJMAX = 150°C, θJA = 200°C/W
TOP VIEW
OUT A 1
–IN A 2
+IN A 3 +
V4
8 V+
7 OUT B
6 –IN B
+ 5 +IN B
DD PACKAGE
8-LEAD (3mm × 3mm) PLASTIC DFN
UNDERSIDE
METAL
TCJOMNANXE=C1T2E5D°CT,OθVJA–
= 160°C/W
(PCB CONNECTION
OPTIONAL)
TOP VIEW
OUT A 1
–IN A 2
+IN A 3
V+ 4
+IN B 5
–IN B 6
OUT B 7
NC 8
A
+
+
B
16 OUT D
15 –IN D
D 14 +IN D
13 V
C–+
12
11
+IN C
–IN C
10 OUT C
9 NC
GN PACKAGE
16-LEAD NARROW PLASTIC SSOP
TJMAX = 150°C, θJA = 135°C/W
623012fc
2


Features LT6230/LT6230-10 LT6231/LT6232 215MHz, Rail-to-Rail Output, 1.1nV/√Hz, 3.5mA Op Amp Family Features Description n Low Noise Voltage: 1.1nV/√Hz n Lo w Supply Current: 3.5mA/Amp Max n Low Offset Voltage: 350µV Max n Gain Band width Product: LT6230: 215MHz; AV 1 LT6230-10: 1450MHz; AV ≥ 10 n Wide Supply Range: 3V to 12.6V n Outp ut Swings Rail-to-Rail n Common Mode R ejection Ratio: 115dB Typ n Output Cur rent: 30mA n Operating Temperature Ran ge: –40°C to 85°C n LT6230 Shutdow n to 10µA Maximum n LT6230/LT6230-10 in a Low Profile (1mm) ThinSOT™ Packa ge n Dual LT6231 in 8-Pin SO and Tiny DFN Packages n LT6232 in a 16-Pin SSOP Package Applications n Ultrasound Amp lifiers n Low Noise, Low Power Signal Processing n Active Filters n Driving A/D Converters n Rail-to-Rail Buffer Amplifiers The LT®6230/LT6231/LT6232 are single/dual/quad low noise, rail-to -rail output unity-gain stable op amps that feature 1.1nV/√Hz noise voltage and draw only 3.5mA of supply current per a.
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