lt6001 Linear Technology Corporation, lt6001 Datasheet

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lt6001

Manufacturer Part Number
lt6001
Description
Dual 1.8v, 13ua Precision Rail-to-rail Op Amp
Manufacturer
Linear Technology Corporation
Datasheet

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FEATURES
APPLICATIO S
TYPICAL APPLICATIO
Gas Sensing
Portable Instrumentation
Battery- or Solar-Powered Systems
Low Voltage Signal Processing
Micropower Active Filters
Ideal for Battery-Powered Applications
– Low Voltage: 1.8V to 16V Operation
– Low Current: 16
– Small Packages: DFN, MSOP, SSOP
– Shutdown to 1.5µA Max (LT6000, LT6001DD)
Low Offset Voltage: 600µV Max
Rail-to-Rail Input and Output
Fully Specified on 1.8V and 5V Supplies
Operating Temperature Range: –40°C to 85°C
Single Available in DFN
Dual Available in MSOP and DFN
Quad Available in SSOP and DFN
V
S
CITY TECHNOLOGY
www.citytech.com
OXYGEN SENSOR
200k
20k
40X(2)
–V
+V
E
E
+
1/2 LT6001
Micropower Oxygen Sensor
V
U
S
100Ω
60012 TA01a
µ
A/Amplifier Max
+
1/2 LT6001
10k
V
I
45µA WITHOUT OXYGEN
U
SUPPLY
S
= 1.8V
0V WITHOUT OXYGEN
V
OUT
= 145µA IN AIR,
= 1V IN AIR,
330Ω
330Ω
+
DESCRIPTIO
The LT
precision rail-to-rail input and output operational amplifi-
ers. Designed to maximize battery life in always-on appli-
cations, the devices will operate on supplies down to 1.8V
while drawing only 13µA quiescient current. The low
supply current and low voltage operation is combined with
precision specifications; input offset is guaranteed less
than 600µV. The performance on 1.8V supplies is fully
specified and guaranteed over temperature. A shutdown
feature available in the LT6000 and the 10-lead dual
LT6001 version can be used to extend battery life by
allowing the amplifiers to be switched off during periods
of inactivity.
The LT6000 is available in a tiny, dual fine pitch leadless
DFN package. The LT6001 is available in the 8-pin MSOP
package; a 10-lead version with the shutdown feature is
available in DFN package. The quad LT6002 is available in
the 16-pin SSOP package and the 16-pin DFN package.
These devices are specified over the commercial and
industrial temperature range.
All other trademarks are the property of their respective owners.
, LTC and LT are registered trademarks of Linear Technology Corporation.
®
6000/LT6001/LT6002 are single, dual and quad
25
20
15
10
Single, Dual and Quad,
5
0
LT6000/LT6001/LT6002
0.4
Supply Current vs Supply Voltage
A
V
V
CM
0.6
= 1
T
Rail-to-Rail Op Amps
= 0.5V
A
Start-Up Characteristics
= 125°C
1.8V, 13µA Precision
TOTAL SUPPLY VOLTAGE (V)
U
0.8
1.0
T
A
= 25°C
1.2
1.4
T
A
1.6
= –55°C
60012 TA01b
1.8
2.0
600012fa
1

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lt6001 Summary of contents

Page 1

... The performance on 1.8V supplies is fully specified and guaranteed over temperature. A shutdown feature available in the LT6000 and the 10-lead dual LT6001 version can be used to extend battery life by allowing the amplifiers to be switched off during periods of inactivity. The LT6000 is available in a tiny, dual fine pitch leadless DFN package. The LT6001 is available in the 8-pin MSOP package ...

Page 2

... SHDN DD PACKAGE 10-LEAD (3mm 3mm) PLASTIC DFN = 125°C, θ 160°C/W (NOTE 2) JMAX JA EXPOSED PAD (PIN 11) IS CONNECTED PART ORDER PART NUMBER MARKING* LT6001CDD LBVH LT6001IDD LBVH TOP VIEW OUT OUT D – – ...

Page 3

... Output Swing Low (Note Output Swing High (Note 6) OH LT6000/LT6001/LT6002 The ● denotes specifications which apply over the full specified temperature = 1.8V, 0V 0.5V. For the LT6000 and the LT6001DD OUT CONDITIONS LT6001MS8 0°C ≤ T ≤ 70°C A –40°C ≤ T ≤ 85°C ...

Page 4

... Gain Bandwidth Product (Note 8) SR Slew Rate FPBW Full Power Bandwidth (Note 9) 4 ● The denotes specifications which apply over the full specified temperature = 1.8V, 0V 0.5V. For the LT6000 and the LT6001DD OUT CONDITIONS Short to GND 0°C ≤ T ≤ 70°C A –40°C ≤ T ≤ 85°C ...

Page 5

... Large-Signal Gain VOL V Output Swing Low (Note 6) OL LT6000/LT6001/LT6002 ● The denotes specifications which apply over the full specified temperature = 5V, 0V 1/2 Supply. For the LT6000 and the LT6001DD OUT CONDITIONS LT6001MS8 0°C ≤ T ≤ 70°C A –40°C ≤ T ≤ 85°C ...

Page 6

... Note 5: This parameter is not 100% tested. Note 6: Output voltage swings are measured between the output and power supply rails. specified for the DD and Note 7: Specifications apply to the LT6000 or the LT6001DD with shutdown. Note 8: Guaranteed by correlation to slew rate 5V. ...

Page 7

... S 10.0 7 125°C A 5.0 2 25° –55°C A –2.5 –5 1.5 2.5 3 3.5 4 4.5 5 0.5 2 COMMON MODE VOLTAGE (V) 60012 G07 LT6000/LT6001/LT6002 TC V Distribution 5V 2.5V CM MS8, GN16, 16 DD10 PACKAGES –40°C TO 85° –5 –4 –3 –2 – ...

Page 8

... LT6000/LT6001/LT6002 W U TYPICAL PERFOR A CE CHARACTERISTICS Output Saturation Voltage vs Input Overdrive 100 LOAD OUTPUT HIGH 30 OUTPUT LOW INPUT OVERDRIVE (mV) 60012 G10 0.1Hz to 10Hz Output Voltage Noise = ±2. ...

Page 9

... FREQUENCY (kHz) Common Mode Rejection Ratio vs Frequency 100 10000 0 FREQUENCY (kHz) 60012 G23 Disabled Output Impedance vs Frequency (LT6000/LT6001DD) 1000 = ±2. –2.5V PIN6(SHDN) 100 100 0.01 0.1 1 FREQUENCY (kHz) 60012 G26 120 100 – ...

Page 10

... SHDN PIN VOLTAGE (V) 10 Large-Signal Response 1.5V 0.25V 60012 G29 100µs/DIV 1.8V 100pF 10k L Total Supply Current vs SHDN Pin Voltage (LT6001DD ± 125° 25° –55° –5 –4 –3 –2 – ...

Page 11

... U U APPLICATIO S I FOR ATIO Supply Voltage The positive supply of the LT6000/LT6001/LT6002 should be bypassed with a small capacitor (about 0.01µF) within an inch of the pin. When driving heavy loads, an additional 4.7µF electrolytic capacitor should be used. When using split supplies, the same is true for the negative supply pin. ...

Page 12

... Output The output of the LT6000/LT6001/LT6002 can swing to within 30mV of the positive rail with no load and within 30mV of the negative rail with no load. When monitoring input voltages within 30mV of the positive rail or within 30mV of the negative rail, gain should be taken to keep the output from clipping ...

Page 13

... Figure 3 compares the dual LT6001 to a competitive part. Both op amps are in unity gain and their outputs are driven into each rail. The supply current is shown when the op amps are in linear operation and when they are driven into each rail ...

Page 14

... LT6000/LT6001/LT6002 U TYPICAL APPLICATIO 14 Gain of 100 Amplifier (400kHz GBW on 30µA Supply) 0.9V (NiMH 1/2 LT6001 2 – 1/2 LT6001 6 – –0.9V (NiMH) 90.9k 90.9k 10k 10k Gain vs Frequency –10 –20 –30 –40 100 1k 10k 100k FREQUENCY (Hz) 60012 TA02b 7 OUT 60012 TA02a ...

Page 15

... ALL DIMENSIONS ARE IN MILLIMETERS 4. DIMENSIONS OF EXPOSED PAD ON BOTTOM OF PACKAGE DO NOT INCLUDE MOLD FLASH. MOLD FLASH, IF PRESENT, SHALL NOT EXCEED 0.15mm ON ANY SIDE 5. EXPOSED PAD SHALL BE SOLDER PLATED 6. SHADED AREA IS ONLY A REFERENCE FOR PIN 1 LOCATION ON THE TOP AND BOTTOM OF PACKAGE LT6000/LT6001/LT6002 0.40 ± 0. PIN 1 NOTCH R0.20 OR 0.25 × ...

Page 16

... LT6000/LT6001/LT6002 PACKAGE DESCRIPTIO 5.23 (.206) MIN 0.42 ± 0.038 (.0165 ± .0015) TYP RECOMMENDED SOLDER PAD LAYOUT 0.254 (.010) GAUGE PLANE 0.18 (.007) NOTE: 1. DIMENSIONS IN MILLIMETER/(INCH) 2. DRAWING NOT TO SCALE 3. DIMENSION DOES NOT INCLUDE MOLD FLASH, PROTRUSIONS OR GATE BURRS. MOLD FLASH, PROTRUSIONS OR GATE BURRS SHALL NOT EXCEED 0.152mm (.006") PER SIDE 4. DIMENSION DOES NOT INCLUDE INTERLEAD FLASH OR PROTRUSIONS. INTERLEAD FLASH OR PROTRUSIONS SHALL NOT EXCEED 0.152mm (.006" ...

Page 17

... ALL DIMENSIONS ARE IN MILLIMETERS 4. DIMENSIONS OF EXPOSED PAD ON BOTTOM OF PACKAGE DO NOT INCLUDE MOLD FLASH. MOLD FLASH, IF PRESENT, SHALL NOT EXCEED 0.15mm ON ANY SIDE 5. EXPOSED PAD SHALL BE SOLDER PLATED 6. SHADED AREA IS ONLY A REFERENCE FOR PIN 1 LOCATION ON THE TOP AND BOTTOM OF PACKAGE LT6000/LT6001/LT6002 R = 0.115 0.38 ± 0.10 TYP 6 10 ...

Page 18

... LT6000/LT6001/LT6002 PACKAGE DESCRIPTIO .254 MIN .0165 ± .0015 RECOMMENDED SOLDER PAD LAYOUT .007 – .0098 (0.178 – 0.249) .016 – .050 (0.406 – 1.270) NOTE: 1. CONTROLLING DIMENSION: INCHES 2. DIMENSIONS ARE IN (MILLIMETERS) 3. DRAWING NOT TO SCALE *DIMENSION DOES NOT INCLUDE MOLD FLASH. MOLD FLASH SHALL NOT EXCEED 0.006" ...

Page 19

... Plastic DFN (Reference LTC DWG # 05-08-1706) 0.65 ±0.05 PACKAGE OUTLINE 0.25 ± 0.05 0.50 BSC 4.40 ±0.05 (2 SIDES) 5.00 ±0.10 (2 SIDES 0.20 TYP 3.00 ±0.10 1.65 ± 0.10 (2 SIDES) (2 SIDES) 0.75 ±0.05 0.00 – 0.05 LT6000/LT6001/LT6002 R = 0.115 0.40 ± 0.10 TYP 9 16 PIN 1 NOTCH (DHC16) DFN 1103 8 1 0.25 ± 0.05 0.50 BSC 4.40 ±0.10 (2 SIDES) BOTTOM VIEW—EXPOSED PAD 600012fa 19 ...

Page 20

... A2 1 TP0610 1/2 LT6001 42.2k V REF V 1000pF DIODES: REF CENTRAL SEMI CMOD3003 × 2N7002 1/2 LT6001 6 – 0.1µ 4.3V TO 20V 0.1µF 42.2k IN 20mV TO 800mV IN V OUT V OUT INPUT SELECT IN1 V IN2 INPUT SELECT = 25Hz AT 1.8V ® Rail-to-Rail Input and Output Op Amps www.linear.com ● ...

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