LTC2051/LTC2052
Dual/Quad Zero-Drift
Operational Amplifiers
FEATURES
DESCRIPTIO
Maximum Offset Voltage of 3V
The LTC 2051/LTC2052 are dual/quad zero-drift opera-
Maximum Offset Voltage Drift of 30nV/C
tional amplifiers available in the MS8 and SO-8/GN16 and
Small Footprint, Low Profile MS8/GN16 Packages
S14 packages. For space limited applications, the LTC2051
Single Supply Operation: 2.7V to 5.5V
is available in a 3mm 3mm 0.8mm dual fine pitch
Noise: 1.5V (0.01Hz to 10Hz Typ)
leadless package (DFN). They operate from a single 2.7V
P-P
Voltage Gain: 140dB (Typ)
supply and support 5V applications. The current con-
PSRR: 130dB (Typ)
sumption is 750 A per op amp.
CMRR: 130dB (Typ)
The LTC2051/LTC2052, despite their miniature size, fea-
Supply Current: 0.75mA (Typ) per Amplifier
ture uncompromising DC performance. The typical input
Extended Common Mode Input Range
offset voltage and offset drift are 0.5V and 10nV/C. The
Output Swings Rail-to-Rail
almost zero DC offset and drift are supported with a power
Operating Temperature Range 40C to 125C
supply rejection ratio (PSRR) and common mode rejec-
Available in 3mm 3mm 0.8mm DFN Package
tion ratio (CMRR) of more than 130dB.
U
APPLICATIO S
The input common mode voltage ranges from the negative
supply up to typically 1V from the positive supply. The
Thermocouple Amplifiers
LTC2051/LTC2052 also have an enhanced output stage
Electronic Scales
capable of driving loads as low as 2k to both supply rails.
Medical Instrumentation
The open-loop gain is typically 140dB. The LTC2051/
Strain Gauge Amplifiers
LTC2052 also feature a 1.5V DC to 10Hz noise and a
P-P
High Resolution Data Acquisition
3MHz gain-bandwidth product.
DC Accurate RC Active Filters
, LT, LTC and LTM are registered trademarks of Linear Technology Corporation.
Low Side Current Sense
All other trademarks are the property of their respective owners.
TYPICAL APPLICATIO
High Performance Low Cost Instrumentation Amplifier
Input Referred Noise 0.1Hz to 10Hz
2
R1 R2
100 10k
0.1% 0.1%
1
R2
5V
10k
R1
0.1%
2 8
100
0
0.1%
1/2
1 6
LTC2051HV
1/2
3 7
V +
LTC2051HV 1
IN
5
+
V
IN
A = 101
4
V
2
5V 20512 TA01
02 4 6 8 10
TIME (SEC) 2052 TA02
20512fd
1
V
U
ULTC2051/LTC2052
ABSOLUTE AXI U RATI GS
(Note 1)
+
Total Supply Voltage (V to V ) Operating Temperature Range ............. 40C to 125C
LTC2051/LTC2052 .................................................. 7V Specified Temperature Range (Note 3) 40C to 125C
LTC2051HV/LTC2052HV ....................................... 12V Storage Temperature Range ................ 65C to 150C
+
Input Voltage (Note 5) .......... (V + 0.3V) to (V 0.3V) DD Package ...................................... 65C to 125C
Output Short-Circuit Duration ......................... Indefinite Lead Temperature (Soldering, 10 sec)................. 300C
UUW
PACKAGE/ORDER I FOR ATIO
TOP VIEW
TOP VIEW TOP VIEW
+
OUT A 1 8 V
+
+ OUT A 1 10 V
OUT A 1 8 V
IN A 2 7 OUT B
IN A 2 9 OUT B
IN A 2 7 OUT B
9
+IN A 3 8 IN B
+IN A 3 6 IN B +IN A 3 6 IN B
V 4 7 +IN B
V 4 5 +IN B
V 4 5 +IN B
SHDN A 5 6 SHDN B
MS8 PACKAGE
MS10 PACKAGE
8-LEAD PLASTIC MSOP
10-LEAD PLASTIC MSOP
DD PACKAGE
8-LEAD (3mm 3mm) PLASTIC DFN
T = 125C, = 250C/W T = 125C, = 250C/W
JMAX JA JMAX JA
T = 125C, = 160C/W
JMAX JA
EXPOSED PAD (PIN 9) IS CONNECTED TO V (PIN 4)
ORDER PART DD PART ORDER PART MS8 PART ORDER PART MS10 PART
NUMBER* MARKING NUMBER MARKING NUMBER
MARKING
LTC2051CDD LAAN LTC2051CMS8 LTMN LTC2051CMS10 LTMQ
LTC2051IDD LTC2051IMS8 LTMP LTC2051IMS10 LTMR
LTC2051HVCDD LAEL LTC2051HVCMS8 LTPJ LTC2051HVCMS10 LTRB
LTC2051HVIDD LTC2051HVIMS8 LTPK LTC2051HVIMS10 LTRC
LTC2051HMS8 LTVF
LTC2051HVHMS8 LTVH
TOP VIEW
ORDER PART S8 PART
+
NUMBER MARKING
OUT A 1 8 V
IN A 2 7 OUT B
LTC2051CS8 2051
+IN A 3 6 IN B
LTC2051IS8 2051I
V 4 5 +IN B
LTC2051HVCS8 2051HV
LTC2051HVIS8 051HVI
S8 PACKAGE
8-LEAD PLASTIC SO
LTC2051HS8 2051H
T = 125C, = 190C/W
JMAX JA LTC2051HVHS8 051HVH
Order Options Tape and Reel: Add #TR
Lead Free: Add #PBF Lead Free Tape and Reel: Add #TRPBF
Lead Free Part Marking: