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LM7121IM/NOPB +BOM

175 MHz Low Power Voltage Feedback Amplifier

Manufacturer:

Texas Instruments
Mfr.Part #:

LM7121IM/NOPB
Datasheet:

LM7121IM/NOPB Datasheet (PDF)
Mounting Style:

SMD/SMT
Number of Channels:

1 Channel
Supply Voltage - Max:

15 V
GBP - Gain Bandwidth Product:

175 MHz
EDA/CAD Models:

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LM7121IM/NOPB General Description

The LM7121 is a high performance operational amplifier which addresses the increasing AC performance needs of video and imaging applications, and the size and power constraints of portable applications.

The LM7121 can operate over a wide dynamic range of supply voltages, from 5 V (single supply) up to ±15V (see Application and Implementation for more details). It offers an excellent speed-power product delivering 1300 V/µs and 235 MHz Bandwidth (−3 dB, A_V = +1). Another key feature of this operational amplifier is stability while driving unlimited capacitive loads.

Due to its tiny SOT23-5 package, the LM7121 is ideal for designs where space and weight are the critical parameters. The benefits of the tiny package are evident in small portable electronic devices, such as cameras, and PC video cards. Tiny amplifiers are so small that they can be placed anywhere on a board close to the signal source or near the input to an A/D converter.

Key Features

(Typical Unless Otherwise Noted).
V_S = ±15 V
Easy to use Voltage Feedback Topology
Stable with Unlimited Capacitive Loads
Tiny SOT23-5 Package — Typical
Circuit Layout Takes Half the
Space Of SO-8 Designs
Unity Gain Frequency: 175 MHz
Bandwidth (−3 dB, A_V = +1, R_L
= 100Ω): 235 MHz
Slew Rate: 1300V/µs
Supply Voltages:
- SO-8: 5 V to ±15 V
- SOT23-5: 5 V to ±5 V
Characterized for: +5 V, ±5 V, ±15 V
Low Supply Current: 5.3 mA

Specifications

Product Category	Operational Amplifiers - Op Amps	Mounting Style	SMD/SMT
Number of Channels	1 Channel	Supply Voltage - Max	15 V
GBP - Gain Bandwidth Product	175 MHz	Output Current per Channel	71 mA
SR - Slew Rate	1.3 kV/us	Vos - Input Offset Voltage	15 mV
Supply Voltage - Min	5 V	Minimum Operating Temperature	- 40 C
Maximum Operating Temperature	+ 85 C	Ib - Input Bias Current	12 uA
Operating Supply Current	5.3 mA	Shutdown	No Shutdown
CMRR - Common Mode Rejection Ratio	93 dB	en - Input Voltage Noise Density	17 nV/sqrt Hz
Series	LM7121	Amplifier Type	Low Power Amplifier
Dual Supply Voltage	+/- 3 V, +/- 5 V, +/- 9 V, +/- 12 V, +/- 15 V	Height	1.45 mm
In - Input Noise Current Density	2 pA/sqrt Hz	Length	4.9 mm
Maximum Dual Supply Voltage	+/- 16.5 V	Minimum Dual Supply Voltage	+/- 2.25 V
Operating Supply Voltage	5 V, 9 V, 12 V, 15 V, 18 V, 24 V, 28 V	Product	Operational Amplifiers
Product Type	Op Amps - Operational Amplifiers	PSRR - Power Supply Rejection Ratio	85 dB (Typ)
Factory Pack Quantity	95	Subcategory	Amplifier ICs
Supply Type	Single, Dual	Voltage Gain dB	64 dB
Width	3.9 mm	Unit Weight	0.006596 oz