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Linear Technology Electronic Components Datasheet

LT1057 Datasheet

JFET Input Precision High Speed Op Amps

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LT1057/LT1058
Dual and Quad, JFET Input
Precision High Speed Op Amps
FEATURES
14V/µs Slew Rate: 10V/µs Min
5MHz Gain-Bandwidth Product
Fast Settling Time: 1.3µs to 0.02%
150µV Offset Voltage (LT1057): 450µV Max
180µV Offset Voltage (LT1058): 600µV Max
2µV/°C VOS Drift: 7µV/°C Max
50pA Bias Current at 70°C
Low Voltage Noise:
13nV/Hz at 1kHz
26nV/Hz at 10Hz
U
APPLICATIO S
Precision, High Speed Instrumentation
Fast, Precision Sample-and-Hold
Logarithmic Amplifiers
D/A Output Amplifiers
Photodiode Amplifiers
Voltage-to-Frequency Converters
Frequency-to-Voltage Converters
DESCRIPTIO
The LT®1057 is a matched JFET input dual op amp in the
industry standard 8-pin configuration, featuring a
combination of outstanding high speed and precision
specifications. It replaces all the popular bipolar and JFET
input dual op amps. In particular, the LT1057 upgrades the
performance of systems using the LF412A and OP-215
JFET input duals.
The LT1058 is the lowest offset quad JFET input
operational amplifier in the standard 14-pin configuration.
It offers significant accuracy improvement over presently
available JFET input quad operational amplifiers. The
LT1058 can replace four single precision JFET input op
amps, while saving board space, power dissipation and
cost.
Both the LT1057 and LT1058 are available in the plastic
PDIP package and the surface mount SO package.
, LTC and LT are registered trademarks of Linear Technology Corporation.
All other trademarks are the property of their respective owners.
TYPICAL APPLICATIO
Current Output, High Speed, High Input Impedance
Instrumentation Amplifier
V2 3 +
1/4
LT1058
2
13
1/4
LT1058
12
V1
+
1 7.5k
4.7k
9.1k
500*
4.7k
14 7.5k
6
1/4
LT1058
5+
7
8
6.8k
1k**
7.5k
IOUT
=
2(V1 –
RX
V2)
RX
+ 10
1/4
LT1058
9
IOUT
*GAIN ADJUST
**COMMON MODE REJECTION ADJUST
BANDWIDTH 2MHz
LT1057/1058 • TA01
Distribution of Offset Voltage
(All Packages, LT1057 and LT1058)
25
VS = ±15V
TA = 25°C
20
LT1057: 610 OP AMPS
LT1058: 520 OP AMPS
1130 OP AMPS
TESTED
15
10
5
0
–1.0
–0.6 –0.2 0 0.2 0.6
INPUT OFFSET VOLTAGE (mV)
1.0
LT1057/1058 • TA02
10578fb
1


Linear Technology Electronic Components Datasheet

LT1057 Datasheet

JFET Input Precision High Speed Op Amps

No Preview Available !

LT1057/LT1058
ABSOLUTE AXI U RATI GS (Note 1)
Supply Voltage ...................................................... ± 20V
Differential Input Voltage ....................................... ± 40V
Input Voltage ......................................................... ± 20V
Output Short-Circuit Duration .......................... Indefinite
Storage Temperature Range ................. – 65°C to 150°C
Lead Temperature (Soldering, 10 sec).................. 300°C
UW U
PACKAGE/ORDER I FOR ATIO
Operating Temperature Range
LT1057AM/LT1057M/
LT1058AM/LT1058M (OBSOLETE)...– 55°C to 125°C
LT1057AC/LT1057C/LT1057S
LT1058AC/LT1058C/LT1058S ................ 0°C to 70°C
LT1057I ...................................... –40°C TA 85°C
NC 1
NC 2
OUT A 3
– IN A 4
+IN A 5
V– 6
NC 7
NC 8
TOP VIEW
16 NC OUT A 1
15 NC
– IN A 2
14 V+
+IN A 3
+–A
13 OUT B
B+–
12
11
– IN B
+IN B
V+ 4
+IN B 5
– IN B 6
10 NC OUT B 7
9 NC
NC 8
TOP VIEW
+–A D+–
+
B C
TOP VIEW
ORDER PART
16 OUT D
15 – IN D
14 +IN D
13 V–
+IN A 1
V– 2
+IN B 3
–IN B 4
8 –IN A
7 OUT A
6 V+
5 OUT B
NUMBER
LT1057S8
LT1057IS8
12 +IN C
S8 PACKAGE
S8 PART MARKING
11 –IN C
10 OUT C
8-LEAD PLASTIC SO
TJMAX = 150°C, θJA = 200°C/W
1057
9 NC
Please note that the LT1057S8/LT1057IS8 standard surface mount pin-
out differs from that of the LT1057 standard CERDIP/PDIP packages.
1057I
SW PACKAGE
16-LEAD PLASTIC (WIDE) SO
TJMAX = 150°C, θJA = 90°C/W
ORDER PART
NUMBER
LT1057SW
LT1057ISW
SW PACKAGE
16-LEAD PLASTIC (WIDE) SO
TJMAX =150°C, θJA =90°C/W
ORDER PART
NUMBER
LT1058SW
LT1058ISW
TOP VIEW
V+
8
OUTPUT A 1
7 OUTPUT B
AB
–IN A 2 – + + – 6 –IN B
+IN A 3
5 +IN B
4
V(CASE)
H PACKAGE 8-LEAD METAL CAN
OBSOLETE PACKAGE
Consider the N8 or S8 Package for Alternate Source
ORDER PART
NUMBER
LT1057AMH
LT1057MH
LT1057ACH
LT1057CH
TOP VIEW
OUTPUT A 1
–IN A
+IN A
2
3
+–A
V+ 4
+IN B 5 +
B
–IN B 6
OUTPUT B 7
14 OUTPUT D
D+–
13
12
–IN D
+IN D
11 V
10 +IN C
C
9 –IN C
8 OUTPUT C
N14 PACKAGE
14-LEAD PDIP
TJMAX = 110°C, θJA = 130°C/W
J14 PACKAGE 14-LEAD CERDIP
TJMAX = 150°C, θJA = 100°C/W
ORDER PART
NUMBER
LT1058ACN
LT1058CN
ORDER PART
NUMBER
LT1057ACN8
LT1057CN8
LT1058AMJ
LT1058MJ
LT1058ACJ
LT1058CJ
LT1057ACJ8
LT1057CJ8
LT1057AMJ8
LT1057MJ8
OBSOLETE PACKAGES
Consider the N8, S8 or N14 Package for Alternate Source
TOP VIEW
OUTPUT 1
–IN A 2
+IN A 3
V– 4
+–A
8 V+
7 OUTPUT B
B
+
6 – IN B
5 + IN B
N8 PACKAGE
8-LEAD PDIP
TJMAX = 100°C, θJA = 130°C/W
J8 PACKAGE 8-LEAD CERDIP
TJMAX = 150°C, θJA = 100°C/W
Order Options Tape and Reel: Add #TR
Lead Free: Add #PBF Lead Free Tape and Reel: Add #TRPBF
Lead Free Part Marking: http://www.linear.com/leadfree/
Consult LTC Marketing for parts specified with wider operating temperature ranges.
10578fb
2


Part Number LT1057
Description JFET Input Precision High Speed Op Amps
Maker Linear
Total Page 16 Pages
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