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Part: LT1056S8
Category:
Analog & Mixed-Signal Processing
-> Amplifiers
-> Operational Amplifiers
-> JFET Input
Description: LT1056S8, Precision High Speed JFET Input op Amp
Company: Linear Technology Corporation
Datasheet: Download LT1056S8 datasheet File size : 180 kB
Request For quote: Find where to buy LT1056S8
Datasheet text preview:
LT1055/LT1056 Precision, High Speed, JFET Input Operational Amplifiers
FEATURES
s s s
DESCRIPTIO
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Guaranteed Offset Voltage: 150µV Max 55°C to 125°C: 500µV Max Guaranteed Drift: 4µV/°C Max Guaranteed Bias Current 70°C: 150pA Max 125°C: 2.5nA Max Guaranteed Slew Rate: 12V/µs Min
The LT®1055/LT1056 JFET input operational amplifiers combine precision specifications with high speed performance. For the first time, 16V/µs slew rate and 6.5MHz gain bandwidth product are simultaneously achieved with offset voltage of typically 50µV, 1.2µV/°C drift, bias currents of 40pA at 70°C and 500pA at 125°C. The 150µV maximum offset voltage specification is the best available on any JFET input operational amplifier. The LT1055 and LT1056 are differentiated by their operating currents. The lower power dissipation LT1055 achieves lower bias and offset currents and offset voltage. The additional power dissipation of the LT1056 permits higher slew rate, bandwidth and faster settling time with a slight sacrifice in DC performance. The voltage-to-frequency converter shown below is one of the many applications which utilize both the precision and high speed of the LT1055/LT1056. For a JFET input op amp with 23V/µs guaranteed slew rate, refer to the LT1022 data sheet.
, LTC and LT are registered trademarks of Linear Technology Corporation.
APPLICATIO S
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Precision, High Speed Instrumentation Logarithmic Amplifiers D/A Output Amplifiers Photodiode Amplifiers Voltage-to-Frequency Converters Frequency-to-Voltage Converters Fast, Precision Sample-and-Hold
TYPICAL APPLICATIO
4.7k 15V
0kHz to 10kHz Voltage-to-Frequency Converter
3M
140
0.001 (POLYSTYRENE)
120
0V TO 10V INPUT
2 0.1µF
+
33pF
22k
LT1056 3 4 15V
6
1.5k
NUMBER OF UNITS
10kHZ TRIM 5k
15V 7
OUTPUT 1Hz TO 10kHz 0.005% LINEARITY
3.3M 2N3906 = 1N4148 *1% FILM 15V 0.1µF THE LOW OFFSET VOLTAGE OF LT1056 CONTRIBUTES ONLY 0.1Hz OF ERROR WHILE ITS HIGH SLEW RATE PERMITS 10kHz OPERATION.
LM329
20 0 400 200 200 400 0 INPUT OFFSET VOLTAGE (µV)
LT1055/56 TA02
LT1055/56 TA01
U
Distribution of Input Offset Voltage (H Package)
VS = ±15V TA = 25°C 634 UNITS TESTED FROM THREE RUNS 50% TO ±60µV 100 80 60 40
10556fb
U
U
1
LT1055/LT1056
ABSOLUTE MAXIMUM RATINGS
Supply Voltage ...... ±20V Differential Input Voltage ...... ±40V Input Voltage ......... ±20V Output Short-Circuit Duration .. Indefinite Operating Temperature Range LT1055AM/LT1055M/LT1056AM/ LT1056M (OBSOLETE) ..... 55°C to 125°C
PACKAGE/ORDER INFORMATION
TOP VIEW BAL 1 IN 2 + IN 3 V 4 N8 PACKAGE 8-LEAD PDIP
TJMAX = 150°C, JA = 130°C/ W
8 7 6 5
N/C V+ OUT BAL
ORDER PART NUMBER LT1055CN8 LT1056CN8
TOP VIEW NC 8 BALANCE 1 IN 2 + IN 3 7 V+ 6 OUT
5 BALANCE 4 V H PACKAGE 8-LEAD TO-5 METAL CAN
TJMAX = 150°C, JA = 150°C/ W, JC = 45°C/ W
OBSOLETE PACKAGE
Consider the N8 Package for Alternate Source
Consult LTC Marketing for parts specified with wider operating temperature ranges.
ELECTRICAL CHARACTERISTICS
SYMBOL PARAMETER V OS Input Offset Voltage (Note 2) CONDITIONS LT1055 H Package LT1056 H Package LT1055 N8 Package LT1056 N8 Package Fully Warmed Up Fully Warmed Up VCM = 10V
TA = 25°C. VS = ±15V, VCM = 0V unless otherwise noted.
LT1055AM/LT1056AM LT1055AC/LT1056AC MIN TYP MAX -- -- -- -- -- -- -- 50 50 -- -- 2 ±10 30 150 180 -- -- 10 ±50 130 LT1055M/LT1056M LT1055CH/LT1056CH LT1055CN8/LT1056CN8 MIN TYP MAX -- -- -- -- -- -- -- 70 70 120 140 2 ±10 30 400 450 700 800 20 ±50 150
IOS IB
Input Offset Current Input Bias Current
2
U
U
W
WW U
W
(Note 1)
LT1055AC/LT1055C/LT1056AC/ LT1056C ...... 0°C to 70°C Storage Temperature Range All Devices ..... 65°C to 150°C Lead Temperature (Soldering, 10 sec)......... 300°C
TOP VIEW BAL 1 IN 2 + IN 3 V 4 8 7 6 5 N/C V+ OUT BAL
ORDER PART NUMBER LT1055S8 LT1056S8 S8 PART MARKING 1055 1056
S8 PACKAGE 8-LEAD PLASTIC SO
TJMAX = 150°C, JA = 150°C/ W
ORDER PART NUMBER LT1055ACH LT1055CH LT1055AMH LT1055MH LT1056ACH LT1056CH LT1056AMH LT1056MH
UNITS µV µV µV µV pA pA pA
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LT1055/LT1056
ELECTRICAL CHARACTERISTICS
SYMBOL PARAMETER Input Resistance:Differential CONDITIONS
TA = 25°C. VS = ±15V, VCM = 0V unless otherwise noted.
LT1055AM/LT1056AM LT1055AC/LT1056AC MIN TYP MAX -- -- -- -- -- -- -- -- -- 150 130 ±11 86 90 ±12 10 12 -- -- -- -- -- 10 12 10 12 10 11 4 1.8 2.5 28 14 1.8 400 300 ±12 100 106 ±13.2 13 16 5.0 6.5 2.8 5.0 ±5 -- -- -- -- -- -- 50 20 4 -- -- -- -- -- -- -- -- -- -- 4.0 6.5 -- LT1055M/LT1056M LT1055CH/LT1056CH LT1055CN8/LT1056CN8 MIN TYP MAX -- -- -- -- -- -- -- -- -- 120 100 ±11 83 88 ±12 7.5 9.0 -- -- -- -- -- 1012 1012 1011 4 2.0 2.8 30 15 1.8 400 300 ±12 98 104 ±13.2 12 14 4.5 5.5 2.8 5.0 ±5 -- -- -- -- -- -- 60 22 4 -- -- -- -- -- -- -- -- -- -- 4.0 7.0 --
UNITS pF µVP-P µVP-P nV/Hz nV/Hz fA/Hz V /mV V /mV V dB dB V V/µs V/µs MHz MHz mA mA mV
Common Mode VCM = 11V to 8V VCM = 8V to 11V Input Capacitance en Input Noise Voltage Input Noise Voltage Density In AVOL Input Noise Current Density Large-Signal Voltage Gain Input Voltage Range CMRR PSRR V OUT SR GBW IS Common Mode Rejection Ratio Power Supply Rejection Ratio Output Voltage Swing Slew Rate Gain Bandwidth Product Supply Current Offset Voltage Adjustment Range RPOT = 100k f = 1MHz VCM = ±11V VS = ±10V to ±18V RL = 2k LT1055 LT1056 LT1055 LT1056 LT1055 LT1056 0.1Hz to 10Hz LT1055 LT1056
f0 = 10Hz (Note 3) f0 = 1kHz (Note 4) f0 = 10Hz, 1kHz (Note 5) V0 = ±10V RL = 2k RL = 1k
The q denotes the specifications which apply over the temperature range 0°C TA 70°C. VS = ±15V, VCM = 0V unless otherwise noted.
LT1055AC LT1056AC TYP 100 100 -- -- 1.2 -- 10 14 ±30 ±40 250 100 105 ±13.1 LT1055CH/LT1056CH LT1055CN8/LT1056CN8 MIN TYP MAX -- -- -- -- -- -- -- -- -- -- 60 82 87 ±12 140 140 250 280 1.6 3.0 16 18 ±40 ±50 250 98 103 ±13.1 750 800 1250 1350 8.0 12.0 80 100 ±200 ±240 -- -- -- --
SYMBOL PARAMETER V OS Input Offset Voltage (Note 2)
CONDITIONS LT1055 H Package LT1056 H Package LT1055 N8 Package LT1056 N8 Package H Package (Note 6) N8 Package (Note 6) Warmed Up TA = 70°C Warmed Up TA = 70°C VCM = ±10.5V VS = ±10V to ±18V RL = 2k LT1055 LT1056 LT1055 LT1056
q q q q q q q q q q q q q q
MIN -- -- -- -- -- -- -- -- -- -- 80 85 89 ±12
MAX 330 360 -- -- 4.0 -- 50 70 ±150 ±80 -- -- -- --
UNITS µV µV µV µV µV/°C µV/°C pA pA pA pA V /mV dB dB V
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Average Temperature Coefficient of Input Offset Voltage IOS IB AVOL CMRR PSRR V OUT Input Offset Current Input Bias Current Large-Signal Voltage Gain Common Mode Rejection Ratio Power Supply Rejection Ratio Output Voltage Swing
VO = ±10V, RL = 2k
3
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