LTC6090/LTC6090-5
140V CMOS Rail-to-Rail
Output, Picoamp Input
Current Op Amp
FEATURES DESCRIPTION
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Supply Range: 4.75V to 70V (140V) The LTC 6090/LTC6090-5 are high voltage, precision
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0.1Hz to 10Hz Noise: 3.5V monolithic operational amplifiers. The LTC6090 is unity
P-P
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Input Bias Current: 50pA Maximum gain stable. The LTC6090-5 is stable in noise gain con-
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Low Offset Voltage: 1.25mV Maximum figurations of 5 or greater. Both amplifiers feature high
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Low Offset Drift: 5V/C Maximum open loop gain, low input referred offset voltage and noise,
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CMRR: 130dB Minimum and pA input bias current and are ideal for high voltage,
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Rail-to-Rail Output Stage high impedance buffering and/or high gain configurations.
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Output Sink and Source: 50mA
The amplifiers are internally protected against over-
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12MHz Gain Bandwidth Product
temperature conditions. A thermal warning output, TFLAG,
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21V/s Slew Rate
goes active when the die temperature approaches 150C.
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11nV/Hz Noise Density
The output stage may be turned off with the output disable
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Thermal Shutdown
pin OD. By tying the OD pin to the thermal warning output
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Available in Thermally Enhanced SOIC-8E or
(TFLAG), the part will disable the output stage when it is
TSSOP-16E Packages
out of the safe operating area. These pins easily interface
to any logic family.
APPLICATIONS
Both amplifiers may be run from a single 140V or spit
70V power supplies and are capable of driving up to
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ATE
200pF of load capacitance. They are available in either an
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Piezo Drivers
8-lead SO or 16-lead TSSOP package with exposed pad
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Photodiode Amplifier
for low thermal resistance.
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High Voltage Regulators
L, LT, LTC, LTM, Linear Technology and the Linear logo are registered trademarks of Linear
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Optical Networking
Technology Corporation. All other trademarks are the property of their respective owners.
TYPICAL APPLICATION
High Voltage DAC Buffer Application 140V Sine Wave Output
P-P
80
3V
60
70V
40
10k
20
16
D LTC2641 +
IN
0
470pF
LTC6090 V = 70V
OUT
20
40
60
V
16.2k
REF
70V
2.5V 80
453k
6090 TA01b
6090 TA01a
25s/DIV
16.9k
10pF
6090fe
1
For more information www.linear.com/LTC6090
OUTPUT VOLTAGE (V)LTC6090/LTC6090-5
ABSOLUTE MAXIMUM RATINGS (Note 1)
+
Total Supply Voltage (V to V ) ...............................150V Output Current
+
COM ................................................................... V to V Continuous (Note 2).................................... 50mA
RMS
Input Voltage Operating Junction Temperature Range
+
OD ...................................................... V to V + 0.3V (Note 3) ...................................................40C to 125C
+
+IN, IN, ..................................V 0.3V to V + 0.3V Specified Junction Temperature Range (Note 4)
OD to COM .................................................. 3V to 7V LTC6090C ................................................ 0C to 70C
Input Current LTC6090I .............................................40C to 85C
+IN, IN ........................................................... 10mA LTC6090H .......................................... 40C to 125C
TFLAG Output Junction Temperature (Note 5) ............................. 150C
+
TFLAG ......................................V 0.3V to V + 0.3V Storage Temperature Range .................. 65C to 150C
TFLAG to COM ............................................ 3V to 7V Lead Temperature (Soldering, 10 sec) ...................300C
PIN CONFIGURATION
TOP VIEW
COM 1
16 OD
TOP VIEW
GUARD 2
15 GUARD
+
GUARD 3
COM 1 8 OD 14 V
+
IN 4
13 GUARD
IN 2 7 V
17
9
V
V +IN 5
12 OUT
+IN OUT
3 6
GUARD 6
11 GUARD
V TFLAG
4 5
GUARD 7
10 GUARD
S8E PACKAGE
V 8
9 TFLAG
8-LEAD PLASTIC SO
T = 150C, = 5C/W
JMAX JC
FE PACKAGE
EXPOSED PAD (PIN 9) IS V , MUST BE SOLDERED TO PCB
16-LEAD PLASTIC TSSOP
T = 150C, = 10C/W
JMAX JC
EXPOSED PAD (PIN 17) IS V , MUST BE SOLDERED TO PCB
ORDER INFORMATION
LEAD FREE FINISH TAPE AND REEL PART MARKING* PACKAGE DESCRIPTION JUNCTION TEMPERATURE RANGE
LTC6090CS8E#PBF LTC6090CS8E#TRPBF 6090 8-Lead Plastic SO 0C to 70C
LTC6090IS8E#PBF LTC6090IS8E#TRPBF 6090 8-Lead Plastic SO 40C to 85C
LTC6090HS8E#PBF LTC6090HS8E#TRPBF 6090 8-Lead Plastic SO 40C to 125C
LTC6090CFE#PBF LTC6090CFE#TRPBF 6090FE 16-Lead Plastic TSSOP 0C to 70C
LTC6090IFE#PBF LTC6090IFE#TRPBF 6090FE 16-Lead Plastic TSSOP 40C to 85C
LTC6090HFE#PBF LTC6090HFE#TRPBF 6090FE 16-Lead Plastic TSSOP 40C to 125C
6090fe
2
For more information www.linear.com/LTC6090