LT1220CN8 Linear Technology Corporation, LT1220CN8 Datasheet

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LT1220CN8

Manufacturer Part Number
LT1220CN8
Description
Manufacturer
Linear Technology Corporation
Datasheet

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FEATURES
APPLICATIO S
TYPICAL APPLICATIO
Gain-Bandwidth: 45MHz
Unity-Gain Stable
Slew Rate: 250V/ s
C-Load
Maximum Input Offset Voltage: 1mV
Maximum Input Bias Current: 300nA
Maximum Input Offset Current: 300nA
Minimum Output Swing Into 500 : 12V
Minimum DC Gain: 20V/mV, R
Settling Time to 0.1%: 75ns, 10V Step
Settling Time to 0.01%: 95ns, 10V Step
Differential Gain: 0.1%, A
Differential Phase: 0.2 , A
Wideband Amplifiers
Buffers
Active Filters
Video and RF Amplification
Cable Drivers
8-, 10-, 12-Bit Data Acquisition Systems
V
+
IN
10k
GAIN = [R4/R3][1 + (1/2)(R2/R1 + R3/R4) + (R2 + R3)/R5] = 102
TRIM R5 FOR GAIN
TRIM R1 FOR COMMON MODE REJECTION
BW = 450kHz
R1
TM
Two Op Amp Instrumentation Amplifier
Op Amp Drives Capacitive Loads
+
LT1220
U
R2
1k
220
V
R3
V
R5
1k
= 2, R
= 2, R
L
U
+
= 500
L
LT1220
L
= 150
= 150
10k
R4
LT1220 • TA01
V
OUT
DESCRIPTIO
The LT
superior DC performance. The LT1220 features reduced
input offset voltage, lower input bias currents and higher
DC gain than devices with comparable bandwidth and slew
rate. The circuit is a single gain stage that includes
proprietary DC gain enhancement circuitry to obtain pre-
cision with high speed. The high gain and fast settling time
make the circuit an ideal choice for data acquisition
systems. The circuit is also capable of driving large
capacitive loads which makes it useful in buffer or cable
driver applications.
The LT1220 is a member of a family of fast, high perfor-
mance amplifiers that employ Linear Technology
Corporation’s advanced complementary bipolar process-
ing. For applications with gains of 4 or greater the LT1221
can be used, and for gains of 10 or greater the LT1222 can
be used for increased bandwidth.
C-Load is a trademark of Linear Technology Corporation
, LTC and LT are registered trademarks of Linear Technology Corporation
®
R
V
1220 is a high speed operational amplifier with
S
F
= R
= 15V
G
= 1k
Operational Amplifier
V
f = 2MHz
Inverter Pulse Response
IN
= 20V
U
45MHz, 250V/ s
LT1220 • TA02
LT1220
1

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LT1220CN8 Summary of contents

Page 1

... Corporation’s advanced complementary bipolar process- ing. For applications with gains greater the LT1221 can be used, and for gains greater the LT1222 can be used for increased bandwidth. , LTC and LT are registered trademarks of Linear Technology Corporation C-Load is a trademark of Linear Technology Corporation R4 10k – ...

Page 2

... R = 500 OUT 500 12V OUT (Note 5) 10V Peak (Note 1MHz TOP VIEW ORDER PART NUMBER 8 NULL + 7 V LT1220CN8 6 V LT1220CS8 OUT PART MARKING S8 PACKAGE 8-LEAD PLASTIC SOIC 1220 = 130 C/W ( 190 C/W ( PACKAGE ORDER PART = 100 C/W (J) NUMBER JA LT1220MJ8 OBSOLETE PACKAGE Consider the N8 Package for Alternate Source = 0V, unless otherwise specified ...

Page 3

ELECTRICAL CHARACTERISTICS SYMBOL PARAMETER Rise Time, Fall Time r f Overshoot Propagation Delay t Settling Time s Differential Gain Differential Phase R Output Resistance O I Supply Current S The denotes the specifications which apply over the ...

Page 4

LT1220 W U TYPICAL PERFORMANCE CHARACTERISTICS Input Common Mode Range vs Supply Voltage 0.5mV – SUPPLY VOLTAGE ( V) ...

Page 5

W U TYPICAL PERFORMANCE CHARACTERISTICS Common Mode Rejection Ratio vs Frequency 120 V = 15V 100 10k 100k 1M 10M 100M FREQUENCY (Hz) LT1220 • TPC10 Voltage Gain ...

Page 6

LT1220 W U TYPICAL PERFORMANCE CHARACTERISTICS Small Signal 100mV LT1220 • TPC19 15V f = 5MHz S Small Signal – ...

Page 7

U U APPLICATIONS INFORMATION Input Considerations Bias current cancellation circuitry is employed on the inputs of the LT1220 so the input bias current and input offset current have identical specifications. For this reason, matching the impedance on the inputs to ...

Page 8

LT1220 PACKAGE DESCRIPTIO SEATING PLANE 0.010 – 0.045* (0.254 – 1.143) 45 TYP 0.028 – 0.034 (0.711 – 0.864) 0.110 – 0.160 (2.794 – 4.064) INSULATING STANDOFF Package 8-Lead TO-5 Metal Can (.200 Inch PCD) (Reference LTC ...

Page 9

PACKAGE DESCRIPTIO CORNER LEADS OPTION 0.045 – 0.068 (1.143 – 1.727) FULL LEAD OPTION 0.300 BSC (0.762 BSC) 0.008 – 0.018 (0.203 – 0.457) NOTE: LEAD DIMENSIONS APPLY TO SOLDER DIP/PLATE OR TIN PLATE LEADS U J8 Package 8-Lead CERDIP ...

Page 10

LT1220 PACKAGE DESCRIPTIO 0.300 – 0.325 (7.620 – 8.255) 0.009 – 0.015 (0.229 – 0.381) +0.035 0.325 –0.015 +0.889 8.255 –0.381 *THESE DIMENSIONS DO NOT INCLUDE MOLD FLASH OR PROTRUSIONS. MOLD FLASH OR PROTRUSIONS SHALL NOT EXCEED 0.010 INCH (0.254mm) ...

Page 11

... FLASH SHALL NOT EXCEED 0.010" (0.254mm) PER SIDE Information furnished by Linear Technology Corporation is believed to be accurate and reliable. However, no responsibility is assumed for its use. Linear Technology Corporation makes no represen- tation that the interconnection of its circuits as described herein will not infringe on existing patent rights. ...

Page 12

... Version of the LT1220 Version of the LT1220 V www.linear.com DAC Current-to-Voltage Converter 5pF 5k – 565A TYPE LT1220 + V OUT < 1/2LSB A VOL 1.1k 22pF – LT1220 V OUT + LT1220 • TA05 1220fb LT/CP 0801 1.5K REV B • PRINTED IN USA LINEAR TECHNOLOGY CORPORATION 1991 V OUT LT1220 • TA04 ...

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