Datasheet

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LT1013/LT1014

10134fb

Quad Precision Op Amp (LT1014)

Dual Precision Op Amp (LT1013)

The LT

1014 is the first precision quad operational amplifier

which directly upgrades designs in the industry standard

14-pin DIP LM324/LM348/OP-11/4156 pin configuration.

It is no longer necessary to compromise specifications,

while saving board space and cost, as compared to single

operational amplifiers.

The LT1014’s low offset voltage of 50µV, drift of 0.3µV/°C,

offset current of 0.15nA, gain of 8 million, common mode

rejection of 117dB and power supply rejection of 120dB

qualify it as four truly precision operational amplifiers.

Particularly important is the low offset voltage, since no

offset null terminals are provided in the quad configura-

tion. Although supply current is only 350µA per amplifier,

a new output stage design sources and sinks in excess of

20mA of load current, while retaining high voltage gain.

Similarly, the LT1013 is the first precision dual op amp in

the 8-pin industry standard configuration, upgrading the

performance of such popular devices as the MC1458/

1558, LM158 and OP-221. The LT1013’s specifications

are similar to (even somewhat better than) the LT1014’s.

Both the LT1013 and LT1014 can be operated off a single

5V power supply: input common mode range includes

ground; the output can also swing to within a few millivolts

of ground. Crossover distortion, so apparent on previous

single-supply designs, is eliminated. A full set of specifi-

cations is provided with ±15V and single 5V supplies.

■

Single Supply Operation

Input Voltage Range Extends to Ground

Output Swings to Ground while Sinking Current

■

Pin Compatible to 1458 and 324 with Precision Specs

■

Guaranteed

Offset Voltage: 150µV Max

■

Guaranteed

Low Drift: 2µV/°C Max

■

Guaranteed

Offset Current: 0.8nA Max

■

Guaranteed

High Gain

5mA Load Current: 1.5 Million Min

17mA Load Current: 0.8 Million Min

■

Guaranteed

Low Supply Current: 500µA Max

■

Low Voltage Noise, 0.1Hz to 10Hz: 0.55µVp-p

■

Low Current Noise—Better than 0P-07, 0.07pA/√Hz

■

Battery-Powered Precision Instrumentation

Strain Gauge Signal Conditioners

Thermocouple Amplifiers

Instrumentation Amplifiers

■

4mA–20mA Current Loop Transmitters

■

Multiple Limit Threshold Detection

■

Active Filters

■

Multiple Gain Blocks

–

LT1014

+5V

OUTPUT A

10mV/°C

–

LT1014

OUTPUT B

10mV/°C

1.8k

YSI 44007

5kΩ

AT 25°C

260Ω

1684Ω

299k3k

LT1004

1.2V

–

LT1014

USE TYPE K THERMOCOUPLES. ALL RESISTORS = 1% FILM.

COLD JUNCTION COMPENSATION ACCURATE

TO ±1°C FROM 0°C 60°C.

USE 4TH AMPLIFIER FOR OUTPUT C.

LT1014 Distribution of Offset Voltage

3 Channel Thermocouple Thermometer

INPUT OFFSET VOLTAGE (µV)

–300 0 200

–200 –100

100 300

NUMBER OF UNITS

700

600

500

400

300

200

100

= ±15V

= 25°C

425 LT1014s

(1700 OP AMPS)

TESTED FROM

THREE RUNS

J PACKAGE

1013/14 TA02

, LTC and LT are registered trademarks of Linear Technology Corporation.

FEATURES

TYPICAL APPLICATIO

DESCRIPTIO

APPLICATIO S

Summary of content (24 pages)

PAGE 1
LT1013/LT1014 Quad Precision Op Amp (LT1014) Dual Precision Op Amp (LT1013) DESCRIPTIO U FEATURES Single Supply Operation Input Voltage Range Extends to Ground Output Swings to Ground while Sinking Current Pin Compatible to 1458 and 324 with Precision Specs Guaranteed Offset Voltage: 150µV Max Guaranteed Low Drift: 2µV/°C Max Guaranteed Offset Current: 0.8nA Max Guaranteed High Gain 5mA Load Current: 1.5 Million Min 17mA Load Current: 0.
PAGE 2
LT1013/LT1014 W W U W ABSOLUTE AXI U RATI GS (Note 1) Supply Voltage ...................................................... ±22V Differential Input Voltage ....................................... ±30V Input Voltage ............... Equal to Positive Supply Voltage ............5V Below Negative Supply Voltage Output Short-Circuit Duration .......................... Indefinite Storage Temperature Range All Grades .........................................
PAGE 3
LT1013/LT1014 ␣ ELECTRICAL CHARACTERISTICS TA = 25°C. VS = ±15V, VCM = 0V unless otherwise noted. CONDITIONS LT1013 LT1014 LT1013D/I, LT1014D/I MIN — — — LT1013C/D/I/M LT1014C/D/I/M TYP 60 60 200 MAX 300 300 800 UNITS µV µV µV — 0.5 — µV/Mo. SYMBOL VOS PARAMETER Input Offset Voltage — 0.4 — ISO Long Term Input Offset Voltage Stability Input Offset Current — 0.15 0.8 — 0.2 1.5 nA IB en Input Bias Current Input Noise Voltage 0.1Hz to 10Hz — — 12 0.55 20 — — — 15 0.
PAGE 4
LT1013/LT1014 ELECTRICAL CHARACTERISTICS The ● denotes the specifications which apply over the temperature range – 55°C ≤ TA ≤ 125°C. V S = ±15V, VCM = 0V unless otherwise noted. SYMBOL PARAMETER VOS Input Offset Voltage IOS Input Offset Voltage Drift Input Offset Current CONDITIONS VS = + 5V, 0V; VO = + 1.4V – 55°C ≤ TA ≤ 100°C VCM = 0.1V, TA = 125°C VCM = 0V, TA = 125°C (Note 3) VS = + 5V, 0V; VO = +1.
PAGE 5
LT1013/LT1014 ELECTRICAL CHARACTERISTICS The ● denotes the specifications which apply over the temperature range –40°C ≤ TA ≤ 85°C for LT1013I, LT1014I, 0°C ≤ TA ≤ 70°C for LT1013C, LT1013D, LT1014C, LT1014D. VS = ±15V, VCM = 0V unless otherwise noted. SYMBOL PARAMETER VOS Input Offset Voltage IOS Average Input Offset Voltage Drift Input Offset Current CONDITIONS LT1013D/I, LT1014D/I VS = +5V, 0V; VO = 1.4V LT1013D/I, LT1014D/I VS = +5V, 0V; VO = 1.
PAGE 6
LT1013/LT1014 U W TYPICAL PERFOR A CE CHARACTERISTICS Offset Voltage Drift with Temperature of Representative Units Warm-Up Drift 10 INPUT OFFSET VOLTAGE (mV) 100 0 –100 5 VS = 5V, 0V, –55°C TO 125°C VS = ±15V, 0V, –55°C TO 125°C 1 VS = 5V, 0V, 25°C 0.1 RS VS = ±15V, 0V, 25°C RS –200 VS = ±15V TA = 25°C CHANGE IN OFFSET VOLTAGE (µV) VS = ±15V 200 INPUT OFFSET VOLTAGE (µV) Offset Voltage vs Balanced Source Resistance + 4 3 LT1013 METAL CAN (H) PACKAGE 2 LT1014 1 0.
PAGE 7
LT1013/LT1014 U W Input Bias Current vs Common Mode Voltage 4 10 3 5 VS = ±15V 2 0 VS = 5V, 0V 1 –5 0 –10 –1 0 –5 –25 –10 –15 –20 INPUT BIAS CURRENT (nA) –15 –30 1.0 –30 VCM = 0V VCM = 0V –25 0.8 0.6 0.4 VS = 5V, 0V =± V 2.5 0 –50 –25 50 0 75 25 TEMPERATURE (°C) –20 VS = 5V, 0V –15 .
PAGE 8
LT1013/LT1014 U W TYPICAL PERFOR A CE CHARACTERISTICS Output Short-Circuit Current vs Time 40 125°C TA = 125°C, VS = ±15V 10 0 125°C –10 –20 25°C –30 –55°C TA = –55°C, VS = 5V, 0V TA = 25°C, VS = 5V, 0V 1M TA = 125°C, VS = 5V, 0V 100 80 1 2 0 3 TIME FROM OUTPUT SHORT TO GROUND (MINUTES) 100k 100 1k LOAD RESISTANCE TO GROUND (Ω) 40 0 140 160 5V, 0V 180 5V, 0V 200 CHANNEL SEPARATION (dB) 120 ±15V 0 VS = ±15V TA = 25°C VIN = 20Vp-p to 5kHz RL = 2k 140 LIMITED BY THERMAL INTERACTION
PAGE 9
LT1013/LT1014 U W U U APPLICATIO S I FOR ATIO b) When the input is more than 400mV below ground (at 25°C), the input stage saturates (transistors Q3 and Q4) and phase reversal occurs at the output. This can cause lock-up in servo systems. Due to a unique phase reversal protection circuitry (Q21, Q22, Q27, Q28), the LT1013/ LT1014’s outputs do not reverse, as illustrated below, even when the inputs are at –1.5V.
PAGE 10
LT1013/LT1014 U U W U APPLICATIO S I FOR ATIO Test Circuit for Offset Voltage and Offset Drift with Temperature Low Supply Operation The minimum supply voltage for proper operation of the LT1013/LT1014 is 3.4V (three Ni-Cad batteries). Typical supply current at this voltage is 290µA, therefore power dissipation is only one milliwatt per amplifier.
PAGE 11
LT1013/LT1014 U TYPICAL APPLICATIO S Hot Wire Anemometer +15V 500pF Q1 2N6533 Q2–Q5 CA3046 PIN 3 TO –15V Q2 2k Q5 Q3 220 150k* 0.01µF 10k* 27Ω 1W 33k – 2 #328 6 A2 LT1014 Q4 2k 7 150k* + 12k 1 1k ZERO FLOW + 2k* 500k –15V – 12 + A4 LT1014 10M RESPONSE TIME ADJUST 2M FULLSCALE FLOW 3.3k 11 13 1µF +15V 4 A1 LT1014 3 5 1000pF – 14 0V–10V = 0–1000 FEET/MINUTE 100k –15V REMOVE LAMP'S GLASS ENVELOPE FROM 328 LAMP. A1 SERVOS #328 LAMP TO CONSTANT TEMPERATURE.
PAGE 12
LT1013/LT1014 U TYPICAL APPLICATIO S 5V Powered Precision Instrumentation Amplifier – 8 9 LT1014 + TO INPUT CABLE SHIELDS 10 200k* 2 +5V –INPUT 3 10k* 10k* 1 LT1014 † 20k – + +5V 10k † 13 – 12 + 4 RG (TYP 2k) 14 LT1014 1µF 200k* † 6 20k 5 10k* 7 LT1014 +INPUT 11 10k – OUTPUT 10k* + † * 1% FILM RESISTOR. MATCH 10k's 0.05% 400,000 GAIN EQUATION: A = + 1. RG † FOR HIGH SOURCE IMPEDANCES, USE 2N2222 AS DIODES.
PAGE 13
LT1013/LT1014 U TYPICAL APPLICATIO S 5V Powered Motor Speed Controller No Tachometer Required +5V 100k 2 3 47 1k 82Ω – A1 1/2 LT1013 0.47 330k + 2k 1 Q3 2N5023 Q1 2N3904 + 1N4001 1M 2k 6.8M 0.068 1/4 CD4016 5V 8 – 7 1N4001 1N4148 3.3M 6 0.068 1N4148 A2 1/2 LT1013 0.47 2k 5 MOTOR = CANON–FN30–R13N1B. A1 DUTY CYCLE MODULATES MOTOR. A2 SAMPLES MOTORS BACK EMF.
PAGE 14
LT1013/LT1014 U TYPICAL APPLICATIO S Methane Concentration Detector with Linearized Output +5V 1 * 1% METAL FILM RESISTOR SENSOR = CALECTRO-GC ELECTRONICS #J4-807 OR FIGARO #813 14 LT1004 1.2V –5V 0.033 390k* 2.
PAGE 15
LT1013/LT1014 U TYPICAL APPLICATIO S 5V Powered 4mA–20mA Current Loop Transmitter† +5V Q3 2N2905 820Ω 74C04 (6) 10µF T1 Q1 2N2905 68Ω 1N4002 (4) 10µF + + 0.002 Q2 2N2905 820Ω 10k 10k 0.33 100k +5V 8 A1 1/2 LT1013 1 + 100pF 4k* 3 4 10k* 20mA TRIM 10k* 1k 4mA TRIM 4.3k +5V 7 A2 1/2 LT1013 + † 12-BIT ACCURACY. * 1% FILM. T1 = PICO-31080. 100Ω* 80k* – – 2k Q4 2N2222 10k* 2 LT1004 1.2V 6 4mA-20mA OUT TO LOAD 2.
PAGE 16
LT1013/LT1014 U TYPICAL APPLICATIO S 5V Powered, Linearized Platinum RTD Signal Conditioner 2M 9 499Ω 167Ω Q1 200k 2 – A2 1/4 LT1014 Q2 200k 3 2N4250 (2) + 1 A4 1/4 LT1014 150Ω 10 5k LINEARITY 8 + OUTPUT 0V–4V = 0°C–400°C ±0.05°C GAIN TRIM 1k 2M 3.01k SENSOR – 1.5k – ROSEMOUNT 118MF 7 A3 1/4 LT1014 6 8.25k 50k ZERO TRIM 5 2.4k 5% + 274k +5V 4 – A1 1/4 LT1014 + 14 +5V 11 13 LT1009 2.5V 10k 12 250k ALL RESISTORS ARE TRW-MAR-6 METAL FILM. RATIO MATCH 2M–200K ± 0.
PAGE 17
LT1013/LT1014 U TYPICAL APPLICATIO S LVDT Signal Conditioner 7 0.005 30k 0.005 30k 8 FREQUENCY = 1.5kHz +5V 5 + 7 LT1013 6 YEL-BLK 11 LVDT RDBLUE – BLUE –5V GRN 10k 4.7k YEL-RD 1N914 BLK 12 LT1004 1.2V 2N4338 100k 1.2k + 10µF 13 7.5k LT1013 2 1/2 LTC1043 1 – OUT 0V–3V 200k +5V 2 + 8 1k 7 LT1011 100k PHASE TRIM + 1µF 100k LVDT = SCHAEVITZ E-100. 3 14 0.
PAGE 18
LT1013/LT1014 U TYPICAL APPLICATIO S Low Dropout Regulator for 6V Battery +12 OUTPUT 1N914 100Ω 3 2 4 + + 8 LTC1044 10 5 10 VBATT 6V 2N2219 100k 5V OUTPUT 100Ω 0.01Ω 0.003µF 1.2k 6 5 1M 3 LT1004 1.2V 2 + 1 LT1013 – 4 – A2 LT1013 120k 8 7 1N914 + 30k 0.009V DROPOUT AT 5mA OUTPUT. 0.108V DROPOUT AT 100mA OUTPUT. IQUIESCENT = 850µA.
PAGE 19
LT1013/LT1014 U TYPICAL APPLICATIO S 6V to ±15V Regulating Converter +6V 1µF + +6V 15pF 10k 22k 10k 2N3906 Q1 D2 2N4391 74C00 Q2 L1 1MHY Q2 +16V 22k 1 2N3904 10 2 15pF 200k VOUT ADJ +6V 3 100k 4 10k 1.4M 0.005 LT1013 + 10k +15VOUT +16V 8 10 + CLK 1 74C74 D1 –16V CLK 2 + –16V LT1004 1.2V 82k 6 + 7 – 100kHz INPUT Q1 – +V 5 LT1013 L1 = 24-104 AIE VERNITRON 0.
PAGE 20
LT1013/LT1014 W W SCHE ATIC DIAGRA 1/2 LT1013, 1/4 LT1014 V+ 9k 9k 1.6k Q6 Q5 1.6k Q13 1.6k Q16 100Ω 1k 800Ω Q14 Q36 Q32 Q15 Q30 Q35 Q3 J1 Q4 Q37 Q25 – Q1 Q33 21pF 3.9k Q27 Q26 2.4k 2.5pF 400Ω 18Ω Q38 IN + Q21 OUTPUT Q2 Q41 14k Q28 400Ω Q39 IN Q22 Q18 4pF Q12 Q29 Q10 Q31 2k Q11 Q9 75pF V– 10pF Q7 Q8 5k 5k Q40 Q19 Q34 100pF Q17 2k 42k 600Ω Q23 Q24 Q20 1.
PAGE 21
LT1013/LT1014 U PACKAGE DESCRIPTIO H Package 8-Lead TO-5 Metal Can (.200 Inch PCD) (Reference LTC DWG # 05-08-1320) 0.335 – 0.370 (8.509 – 9.398) DIA 0.305 – 0.335 (7.747 – 8.509) 0.027 – 0.045 (0.686 – 1.143) 45°TYP PIN 1 0.028 – 0.034 (0.711 – 0.864) 0.040 (1.016) MAX 0.050 (1.270) MAX SEATING PLANE 0.200 (5.080) TYP 0.165 – 0.185 (4.191 – 4.699) GAUGE PLANE 0.010 – 0.045* (0.254 – 1.143) REFERENCE PLANE 0.500 – 0.750 (12.700 – 19.050) 0.110 – 0.160 (2.794 – 4.064) INSULATING STANDOFF 0.
PAGE 22
LT1013/LT1014 U PACKAGE DESCRIPTIO N8 Package 8-Lead PDIP (Narrow .300 Inch) (Reference LTC DWG # 05-08-1510) 0.300 – 0.325 (7.620 – 8.255) 0.045 – 0.065 (1.143 – 1.651) ( +0.035 0.325 –0.015 +0.889 8.255 –0.381 0.130 ± 0.005 (3.302 ± 0.127) 0.065 (1.651) TYP 0.009 – 0.015 (0.229 – 0.381) ) 0.400* (10.160) MAX 8 7 6 5 1 2 3 4 0.255 ± 0.015* (6.477 ± 0.381) 0.125 (3.175) 0.020 MIN (0.508) MIN 0.018 ± 0.003 0.100 (2.54) BSC (0.457 ± 0.
PAGE 23
LT1013/LT1014 U PACKAGE DESCRIPTIO S8 Package 8-Lead Plastic Small Outline (Narrow .150 Inch) (Reference LTC DWG # 05-08-1610) 0.189 – 0.197* (4.801 – 5.004) 0.010 – 0.020 × 45° (0.254 – 0.508) 0.053 – 0.069 (1.346 – 1.752) 0.008 – 0.010 (0.203 – 0.254) 0°– 8° TYP 0.016 – 0.050 (0.406 – 1.270) 0.014 – 0.019 (0.355 – 0.483) TYP *DIMENSION DOES NOT INCLUDE MOLD FLASH. MOLD FLASH SHALL NOT EXCEED 0.006" (0.152mm) PER SIDE **DIMENSION DOES NOT INCLUDE INTERLEAD FLASH. INTERLEAD FLASH SHALL NOT EXCEED 0.
PAGE 24
LT1013/LT1014 U TYPICAL APPLICATIO Step-Up Switching Regulator for 6V Battery INPUT +6V 22k 2N2222 OUTPUT +15V 50mA + 2.2 LT1004 1.2V L1 1MHY 200k 5 220pF 1N5821 1M 220k 0.001 3 + LT1013 2 1 2N5262 8 LT1013 130k 6 7 – 4 + 300Ω + 100 5.6k – 0.1 5.