LT1222C Linear Technology, LT1222C Datasheet

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LT1222C

Manufacturer Part Number
LT1222C
Description
500MHz Operational Amplifier
Manufacturer
Linear Technology
Datasheet

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FEATURE
A
TYPICAL
PPLICATI
Gain-Bandwidth: 500MHz
Gain of 10 Stable Uncompensated
Slew Rate: 200V/ s
Input Noise Voltage: 3nV/ Hz
C-Load
External Compensation Pin
Maximum Input Offset Voltage: 300 V
Maximum Input Bias Current: 300nA
Maximum Input Offset Current: 300nA
Minimum Output Swing Into 500 : 12V
Minimum DC Gain: 100V/mV, R
Settling Time to 0.1%: 75ns, 10V Step
Settling Time to 0.01%: 120ns, 10V Step
Differential Gain: 0.4%, A
Differential Phase: 0.1 , A
Wideband Amplifiers
Buffers
Active Filters
Video and RF Amplification
Cable Drivers
8-, 10-, 12-Bit Data Acquisition Systems
V
IN
100
TM
3
2
Op Amp Drives Capacitive Loads
+
S
LT1222
APPLICATION
A
909
O
V
= 10 with Output Clamping
5
U
1N5711
S
6
V
V
1N5711
= 2, R
= 2, R
V
OUT
U
L
15V
L
= 500
L
0.5V
3k
= 150
1N4148
= 150
LT1222 • TA01
0.1 F
D
The LT1222 is a low noise, very high speed operational
amplifier with superior DC performance. The LT1222 is
stable in a noise gain of 10 or greater without compensa-
tion, or the part can be externally compensated for lower
closed-loop gain at the expense of lower bandwidth and
slew rate. It features reduced input offset voltage, lower
input bias currents, lower noise 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 precision 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 capacitive loads which makes it
useful in buffer or cable driver applications. The compen-
sation node can also be used to clamp the output swing.
The LT1222 is a member of a family of fast, high perfor-
mance amplifiers that employ Linear Technology
Corporation’s advanced complementary bipolar process-
ing. For unity-gain stable applications the LT1220 can be
used, and for gains of 4 or greater the LT1221 can be used.
C-Load is a trademark of Linear Technology Cortporation.
ESCRIPTIO
and LTC are registered trademarks and LT is a trademark of Linear Technology Corporation.
R
V
500MHz, 3nV/ Hz, A
S
F
= R
= 15V
G
= 1k
A
V
Operational Amplifier
= – 1, C
V
f = 5MHz
IN
U
= 100mV
C
= 30pF Pulse Response
LT1222 • TA02
LT1222
V
10
1

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LT1222C Summary of contents

Page 1

... Corporation’s advanced complementary bipolar process- ing. For unity-gain stable applications the LT1220 can be used, and for gains greater the LT1221 can be used. and LTC are registered trademarks and trademark of Linear Technology Corporation. C-Load is a trademark of Linear Technology Cortporation. 15V ...

Page 2

... A BSOLUTE – Total Supply Voltage ( ............................. 36V Differential Input Voltage ........................................ 6V Input Voltage .......................................................... V Output Short-Circuit Duration (Note 1) ........... Indefinite Specified Temperature Range LT1222C (Note 2) ................................... LT1222M ......................................... – 125 C U PACKAGE/ORDER I FOR ATIO TOP VIEW NULL NULL –IN ...

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 15V ...

Page 4

LT1222 W U TYPICAL PERFORMANCE CHARACTERISTICS Input Common-Mode Range vs Supply Voltage 25° 0.5mV – SUPPLY VOLTAGE (±V) LT1222 • TPC01 ...

Page 5

W U TYPICAL PERFORMANCE CHARACTERISTICS Common-Mode Rejection Ratio vs Frequency 120 V = ±15V 25°C A 100 10k 100k 1M 10M 100M FREQUENCY (Hz) LT1222 • TPC10 Voltage Gain and Phase ...

Page 6

LT1222 W U TYPICAL PERFORMANCE CHARACTERISTICS Small Signal LT1222 • TPC19 R = 909 V = 15V f = 5MHz 100 V = 20mV G IN Small Signal – 10 ...

Page 7

U U APPLICATIONS INFORMATION Output Clamping Access to the internal compensation node at pin 5 allows the output swing of the LT1222 to be clamped. An example is shown on the first page of this data sheet. The compen- sation ...

Page 8

LT1222 U TYPICAL APPLICATIONS V Null Loop OS 150k LT1222 – 10k 100pF 10k – 100pF LT1097 + PLIFIED SCHE ATIC + V 7 NULL 1 8 +IN 3 – ...

Page 9

PACKAGE DESCRIPTION 0.335 – 0.370 (8.509 – 9.398) DIA 0.305 – 0.335 (7.747 – 8.509) 0.040 (1.016) MAX SEATING PLANE 0.010 – 0.045 (0.254 – 1.143) 0.016 – 0.021 (0.406 – 0.533) CORNER LEADS OPTION 0.045 – 0.068 (1.143 – ...

Page 10

LT1222 PACKAGE DESCRIPTION 0.300 – 0.325 (7.620 – 8.255) 0.009 – 0.015 (0.229 – 0.381) +0.025 0.325 –0.015 +0.635 8.255 –0.381 *THESE DIMENSIONS DO NOT INCLUDE MOLD FLASH OR PROTRUSIONS. MOLD FLASH OR PROTURSIONS SHALL NOT EXCEED 0.010 INCH (0.254mm). ...

Page 11

... MOLD FLASH OR PROTRUSIONS SHALL NOT EXCEED 0.006 INCH (0.15mm). 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

... Linear Technology Corporation Rm. 801, No. 46, Sec. 2 Chung Shan N. Rd. Taipei, Taiwan, R.O.C. Phone: 886-2-521-7575 FAX: 886-2-562-2285 UNITED KINGDOM Linear Technology (UK) Ltd. The Coliseum, Riverside Way Camberley, Surrey GU15 3YL United Kingdom Phone: 44-276-677676 FAX: 44-276-64851 0794 LT/GP 0894 5K REV A • PRINTED IN USA ...

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