LTC6084/LTC6085
Dual/Quad 1.5MHz,
Rail-to-Rail, CMOS
Ampli ers
FEATURES DESCRIPTION
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Low Offset Voltage: 750V Maximum
The LTC 6084/LTC6085 are dual/quad, low cost, low offset,
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Low Offset Drift: 5V/C Maximum
rail-to-rail input/output, unity-gain stable CMOS operational
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Low Input Bias Current:
ampli ers that feature 1pA of input bias current.
1pA (Typical at 25C)
A 1.5MHz gain bandwidth, and 0.5V/s slew rate, along
40pA (85C)
with the wide supply range and a low 0.75mV offset, make
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Rail-to-Rail Inputs and Outputs
the LTC6084/LTC6085 useful in an extensive variety of ap-
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2.5V to 5.5V Operation Voltage
plications from data acquisition to medical equipment and
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Gain Bandwidth Product: 1.5MHz
consumer electronics. The 110A supply current and the
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CMRR: 70dB Minimum
shutdown mode are ideal for signal processing applications
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PSRR: 94dB Minimum
which demand performance with minimal power.
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Supply Current: 110A per Ampli er
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The LTC6084/LTC6085 have an output stage which swings
Shutdown Current: 1.1A per Ampli er
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within 5mV of either supply rail to maximize signal dynamic
Available in 8-Lead MSOP and 10-Lead DFN
range in low supply applications. The input common
Packages (LTC6084) and 16-Lead SSOP and DFN
mode range includes the entire supply voltage. These op
Packages (LTC6085)
amps are speci ed on power supply voltages of 2.5V and
5V from 40C to 125C. The dual ampli er LTC6084 is
APPLICATIONS
available in 8-lead MSOP and 10-lead DFN packages. The
quad ampli er LTC6085 is available in 16-lead SSOP and
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Portable Test Equipment
DFN packages.
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Medical Equipment
n L, LT, LTC and LTM are registered trademarks of Linear Technology Corporation.
Consumer Electronics
All other trademarks are the property of their respective owners.
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Data Acquisition
TYPICAL APPLICATION
Shock Sensor Ampli er Input Bias Current
vs Common Mode Voltage
200k
10000
V = 5V
S
20M
1000
470pF
T = 125C
A
3V
20M
100
TT = 85C = 85C
AA
1/2
2k *
LTC6084 10
100k V = 120mV/g
OUT
3V
+ T = 25C
A
1
100k
0.22F
0.1
60845 TA01
7Hz TO 5kHz
0.01
*SHOCK SENSOR MURATA ERIE PKGS-OOMX1
0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 5
www.murata.com
COMMON MODE VOLTAGE (V)
60845 TA01b
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INPUT BIAS CURRENT (pA)LTC6084/LTC6085
ABSOLUTE MAXIMUM RATINGS (Note 1)
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Total Supply Voltage (V to V ) ...................................6V Speci ed Temperature Range (Note 4)
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Input Voltage ......................................................V to V LTC6084C/LTC6085C ............................... 0C to 70C
Input Current ........................................................10mA LTC6084H/LTC6085H ........................... 40C to 125
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SHDNA/SHDNB Voltage .....................................V to V Junction Temperature ........................................... 150C
Output Short-Circuit Duration (Note 2) ............ Inde nite Storage Temperature Range ................... 65C to 125C
Operating Temperature Range (Note 3) Lead Temperature (Soldering, 10 sec)
LTC6084C/LTC6085C ........................... 40C to 85C MS8, GN Only ................................................... 300C
LTC6084H/LTC6085H ......................... 40C to 125C
PIN CONFIGURATION
TOP VIEW
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TOP VIEW OUTA 1 10 V
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INA 2 9 OUTB
OUTA 1 8 V
+A
INA 2 7 OUTB 11
+INA 3 8 INB
+A
B
+INA 3 6 INB
B V 4 7 +INB
5 +INB
V 4
SHDNA 5 6 SHDNB
MS8 PACKAGE
8-LEAD PLASTIC MSOP
DD PACKAGE
T = 150C, = 200C/W
JMAX JA
10-LEAD (3mm 3mm) PLASTIC DFN
T = 150C, = 43C/W
JMAX JA
, MUST BE SOLDERED TO PCB
EXPOSED PAD (PIN 11) IS V
TOP VIEW
TOP VIEW
OUTA 1 16 OUTD
OUTA 1
16 OUTD
INA 2 15 IND
INA 2
15 IND
+A D
+A
D
+INA 3 14 +IND
+INA 3
14 +IND
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V 4 13 V
V 4
13 V
17
+INB 5 12 +INC
+INB 5 +
12 +INC
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BC
BC
INB 6 11 INC
INB 6
11 INC
OUTB 7 10 OUTC
OUTB 7
10 OUTC
NC 8 9 NC
NC 8
9 NC
DHC PACKAGE
GN PACKAGE
16-LEAD (5mm 3mm) PLASTIC DFN
16-LEAD PLASTIC SSOP NARROW
T = 150C, = 43C/W
JMAX JA
T = 150C, = 110C/W
JMAX JA
EXPOSED PAD (PIN 17) IS V , MUST BE SOLDERED TO PCB
ORDER INFORMATION
LEAD FREE FINISH TAPE AND REEL PART MARKING* PACKAGE DESCRIPTION SPECIFIED TEMPERATURE RANGE
LTC6084CMS8#PBF LTC6084CMS8#TRPBF LTDNG 8-Lead Plastic MSOP 0C to 70C
LTC6084HMS8#PBF LTC6084HMS8#TRPBF LTDNG 8-Lead Plastic MSOP 40C to 125C
LTC6084CDD#PBF LTC6084CDD#TRPBF LDNH 0C to 70C
10-Lead (3mm 3mm) Plastic DFN
LTC6084HDD#PBF LTC6084HDD#TRPBF LDNH 10-Lead (3mm 3mm) Plastic DFN 40C to 125C
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