EL2280CS Elantec Inc, EL2280CS Datasheet

EL2280CS

Manufacturer Part Number

EL2280CS

Description

250MHz/3 mA current mode feedback amplifier

Manufacturer

Elantec Inc

Datasheet

1.EL2280CS.pdf (17 pages)

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Note: All information contained in this data sheet has been carefully checked and is believed to be accurate as of the date of publication; however, this data sheet cannot be a “controlled document”. Current revisions, if any, to these

specifications are maintained at the factory and are available upon your request. We recommend checking the revision level before finalization of your design documentation.

Features

Applications

Ordering Information

• Single, dual, and quad topologies

• 3mA supply current (per amplifier)

• 250MHz -3dB bandwidth

• 1200V/µs slew rate

• Tiny package package options

• Low cost

• Single- and dual-supply operation

• 0.05%/0.05° diff. gain/diff. phase

• Low power/battery applications

• HDSL amplifiers

• Video amplifiers

• Cable drivers

• RGB amplifiers

• Test equipment amplifiers

• Current to voltage converters

EL2180CN

EL2180CS

EL2180CS-T7

EL2180CS-T13

EL2180CW-T7

EL2180CW-T13

EL2280CN

EL2280CS

EL2280CS-T7

EL2280CS-T13

EL2480CN

EL2480CS

EL2480CS-T7

EL2480CS-T13

EL2480CL

EL2480CL-T7

EL2480CL-T13

(SOT23, LPP)

down to ±1.5V

into 150

Part No

5-Pin SOT23

14-Pin PDIP

8-Pin PDIP

24-Pin LPP

14-Pin SO

Package

8-Pin SO

Tape &

Reel

13”

7”

MDP0031

MDP0027

MDP0038

MDP0031

MDP0027

MDP0031

MDP0027

MDP0046

Outline #

EL2180C/EL2280C/EL2480C-Preliminary

250MHz / 3mA Current Mode Feedback Amplifiers

General Description

The EL2180C/EL2280C/EL2480C are single/dual/quad current-feed-

back operational amplifiers that achieve a -3dB bandwidth of 250MHz

at a gain of +1 while consuming only 3mA of supply current per

amplifier. They will operate with dual supplies ranging from ±1.5V to

±6V or from single supplies ranging from +3V to +12V. In spite of

their low supply current, the EL2480C and the EL2280C can output

55mA while swinging to ±4V on ±5V supplies. The EL2180C can out-

put 100mA with similar output swings. These attributes make the

EL2180C/EL2280C/EL2480C excellent choices for low power and/or

low voltage cable driver, HDSL, or RGB applications.

For applications where board space is extremely critical, the EL2180C

is available in the tiny 5-pin SOT23 package, with a footprint size 28%

of an 8-pin SO. The EL2480C is also available in a 24-pin LPP pack-

age. All are specified for operation over the full -40°C to +85°C

temperature range.

Single, dual, and triple versions are also available with the enable

function (EL2186C, EL2286C, and EL2386C).

Connection Diagrams

OUTA

INA+

INA-

VS-

IN+

IN-

(8-Pin SO & 8-Pin PDIP)

EL2180C

EL2280C

VS+

OUT

VS+

OUTB

INB-

INB+

Related parts for EL2280CS

EL2280CS Summary of contents

Page 1

... SOT23 7” MDP0038 EL2180CW-T13 5-Pin SOT23 13” MDP0038 EL2280CN 8-Pin PDIP - MDP0031 EL2280CS 8-Pin SO - MDP0027 EL2280CS-T7 8-Pin SO 7” MDP0027 EL2280CS-T13 8-Pin SO 13” MDP0027 EL2480CN 14-Pin PDIP - MDP0031 EL2480CS 14-Pin SO - MDP0027 EL2480CS-T7 14-Pin SO 7” MDP0027 EL2480CS-T13 14-Pin SO 13” ...

Page 2

EL2180C/EL2280C/EL2480C-Preliminary 250MHz / 3mA Current Mode Feedback Amplifiers Absolute Maximum Ratings Supply Voltage between V + and GND S Voltage between V + and Common-Mode Input Voltage Differential Input Voltage Current into +IN or -IN Internal ...

Page 3

EL2180C/EL2280C/EL2480C-Preliminary AC Electrical Characteristics V = ±5V 750 for PDIP and SO packages Parameter Description t Propagation Delay PD OS Overshoot t 0.1% Settling S dG Differential Gain dP Differential Phase dG ...

Page 4

EL2180C/EL2280C/EL2480C-Preliminary 250MHz / 3mA Current Mode Feedback Amplifiers Test Circuit (Per Amplifier 750 * Note: EL2180C or ½ EL2280C or ¼ EL2480C Simplified Schematic (Per Amplifier ...

Page 5

EL2180C/EL2280C/EL2480C-Preliminary Typical Performance Curves Non-Inverting Frequency Response (Gain) (PDIP and SOIC Packages) Inverting Frequency Response (Gain) (PDIP and SOIC Packages) Transimpedance ( Frequency 250MHz / 3mA Current Mode Feedback Amplifiers Non–Inverting Frequency Response (Phase) (PDIP and SOIC ...

Page 6

EL2180C/EL2280C/EL2480C-Preliminary 250MHz / 3mA Current Mode Feedback Amplifiers Typical Performance Curves Voltage and Current Noise vs Frequency -3 dB Bandwidth and Peaking vs Supply Voltage for Various Non-Inverting Gains Supply Current vs Supply Voltage 2nd and 3rd Harmonic Distortion vs ...

Page 7

EL2180C/EL2280C/EL2480C-Preliminary Typical Performance Curves Input Bias Current vs Die Temperature -3 dB Bandwidth and Peaking vs Die Temperature for Various Non-Inverting Gains Supply Current vs Die Temperature 250MHz / 3mA Current Mode Feedback Amplifiers Short-Circuit Current vs Die Temperature -3 ...

Page 8

EL2180C/EL2280C/EL2480C-Preliminary 250MHz / 3mA Current Mode Feedback Amplifiers Typical Performance Curves Differential Gain and Phase vs DC Input Voltage at 3.58 MHz Small-Signal Step Response 5-Lead Plastic SOT23 Maximum Power Dissipation vs Ambient Temperature Differential Gain and Phase vs DC ...

Page 9

EL2180C/EL2280C/EL2480C-Preliminary Typical Performance Curves 14-Pin Plastic DIP Maximum Power Dissipation vs Ambient Temperature Non-Inverting Frequency Response (Gain) (SOT23-5 Package) Inverting Frequency Response (Gain) (SOT23-5 Package) 250MHz / 3mA Current Mode Feedback Amplifiers 14-Lead SO Maximum Power Dissipation vs Ambient Temperature ...

Page 10

EL2180C/EL2280C/EL2480C-Preliminary 250MHz / 3mA Current Mode Feedback Amplifiers Applications Information Product Description The EL2180C/EL2280C/EL2480C are current-feedback operational amplifiers that offer a wide -3dB bandwidth of 250MHz and a low supply current of 3mA per ampli- fier. All of these products ...

Page 11

EL2180C/EL2280C/EL2480C-Preliminary Feedback Resistor Values The EL2180C/EL2280C/EL2480C have been designed and specified at gains of +1 and +2 with R PDIP and SO packages and R = 560 in 5-pin SOT23 F package. These values of feedback resistors give 250MHz of ...

Page 12

EL2180C/EL2280C/EL2480C-Preliminary 250MHz / 3mA Current Mode Feedback Amplifiers output drive of each EL2280C and EL2480C amplifier allows swings of ±2.5V into 50 loads. Driving Cables and Capacitive Loads When used as a cable driver, double termination is always recommended for ...

Page 13

EL2180C/EL2280C/EL2480C-Preliminary Typical Application Circuits 750 V IN Figure 1. Inverting 200mA Output Current Distribution Amplifier 750 Note: ½ EL2280C or ¼ EL2480C Figure 2. Fast-Settling Precision Amplifier 250MHz / 3mA Current Mode Feedback Amplifiers 0.1µF +5V I ...

Page 14

EL2180C/EL2280C/EL2480C-Preliminary 250MHz / 3mA Current Mode Feedback Amplifiers Typical Application Circuits (Continued) 0.1µF + *see note OUT 0.1µF -5V 750 0.1µF + ...

Page 15

EL2180C/EL2280C/EL2480C-Preliminary EL2180C/EL2280C/EL2480C Macromodel * EL2180 Macromodel * Revision A, March 1995 * AC characteristics used 750 ohms * Connections: +input * | -input * | | +Vsupply * | | | -Vsupply * | | | ...

Page 16

EL2180C/EL2280C/EL2480C-Preliminary 250MHz / 3mA Current Mode Feedback Amplifiers 1 -1 316 r10 25 23 3.2K r11 Models * .model qn npn(is=5e-15 bf=200 ...

Page 17

EL2180C/EL2280C/EL2480C-Preliminary 250MHz / 3mA Current Mode Feedback Amplifiers General Disclaimer Specifications contained in this data sheet are in effect as of the publication date shown. Elantec, Inc. reserves the right to make changes in the cir- cuitry or specifications contained ...

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