ELANT EL2450CS-T7, EL2450CS-T13, EL2450CS, EL2450CN, EL2250CS-T7 Datasheet

EL2250C, EL2450C

125MHz Single Supply Dual/Quad Op Amps

EL2250C, EL2450C

Features

• Specified for +3V, +5V, or ±5V
applications

• Large input common mode range
0V < VCM < VS -1.2V

• Output swings to ground without
saturating

• -3dB bandwidth = 125MHz

• ± 0.1dB bandwidth = 30MHz

• Low supply current = 5mA (per
amplifier)

• Slew rate = 275V/µs

• Low offset voltage = 4mV max

• Output current = ±100mA

• High open loop gain = 80dB

• Differential gain = 0.05%

• Differential phase = 0.05°

Applications

• Video amplifiers

• PCMCIA applications

• A/D drivers

• Line drivers

• Portable computers

• High speed communications

• RGB printers, FAX, scanners

• Broadcast equipment

• Active filtering

Ordering Information

Part No Package Tape & Reel Outline #

EL2250CN 8-Pin PDIP - MDP0031

EL2250CS 8-Pin SO - MDP0027

EL2250CS-T7 8-Pin SO 7” MDP0027

EL2250CS-T13 8-Pin SO 13” MDP0027

EL2450CN 14-Pin PDIP - MDP0031

EL2450CS 14-Pin SO - MDP0027

EL2450CS-T7 14-Pin SO 7” MDP0027

EL2450CS-T13 14-Pin SO 13” MDP0027

General Description

The EL2250C/EL2450C are part of a family of the electronics indus­tries fastest single supply op amps available. Prior single supply op
amps have generally been limited to bandwidths and slew rates to that
of the EL2250C/EL2450C. The 125MHz bandwidth, 275V/µs slew
rate, and 0.05%/0.05° differential gain/differential phase makes this
part ideal for single or dual supply video speed applications. With its
voltage feedback architecture, this amplifier can accept reactive feed­back networks, allowing them to be used in analog filtering
applications. The inputs can sense signals below the bottom supply
rail and as high as 1.2V below the top rail. Connecting the load resistor
to ground and operating from a single supply, the outputs swing com­pletely to ground without saturating. The outputs can also drive to
within 1.2V of the top rail. The EL2250C/EL2450C will output
±100mA and will operate with single supply voltages as low as 2.7V,
making them ideal for portable, low power applications.

The EL2250C/EL2450C are available in PDIP and SO packages in
industry standard pin outs. Both parts operate over the industrial tem­perature range of -40°C to +85°C, and are part of a family of single
supply op amps. For single amplifier applications, see the
EL2150C/EL2157C. For dual and triple amplifiers with power down
and output voltage clamps, see the EL2257C/EL2357C.

Connection Diagrams

1

OUTA

2

INA-

3

INA+

4

GND

(8-Pin SO & 8-Pin PDIP)

-

A

+

EL2250C

1

OUTA

2

INA-

INA+

8

VS+

7

OUTB

6

INB-

-

B

5

+

INB+

VS+

INB+

INB-

OUTB

A D

- + -+

3

4

5

- + -+

6

B C

7

EL2450C

(14-Pin SO & 14-Pin PDIP)

14

OUTD

13

IND-

12

IND+

11

GND

10

INC+

9

INC-

8

OUTC

September 26, 2001

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.

© 2001 Elantec Semiconductor, Inc.

EL2250C, EL2450C

125MHz Single Supply Dual/Quad Op Amps

Absolute Maximum Ratings (T

Supply Voltage between VS and GND +12.6V

Input Voltage (IN+, IN-) GND-0.3V,VS+0.3V

EL2250C, EL2450C

Differential Input Voltage ±6V

Maximum Output Current 90mA

= 25°C)

A

Power Dissipation See Curves

Storage Temperature Range -65°C to +150°C

Ambient Operating Temperature Range -40°C to +85°C

Operating Junction Temperature 150°C

Output Short Circuit Duration (Note 1)

Important Note:

All parameters having Min/Max specifications are guaranteed. Typ values are for information purposes only. Unless otherwise noted, all tests are at the
specified temperature and are pulsed tests, therefore: TJ = TC = TA.

DC Electrical Characteristics

VS = +5V, GND = 0V, TA = 25°C, V

Parameter Description Test Conditions Min Typ Max Unit

V

OS

TCV

Offset Voltage EL2250C -2 2 mV

Offset Voltage Temperature Coefficient Measured from T

OS

IB Input Bias Current V

I

OS

TCI

Input Offset Current V

Input Bias Current Temperature Coefficient Measured from T

OS

PSRR Power Supply Rejection Ratio VS = +2.7V to +12V 55 70 dB

CMRR Common Mode Rejection Ratio VCM = 0V to +3.8V 55 65 dB

CMIR Common Mode Input Range 0 VS-1.2 V

R

IN

C

IN

R

OUT

I

S

Input Resistance Common Mode 1 2 MΩ

Input Capacitance SO Package 1 pF

Output Resistance A

Supply Current (per amplifier) VS = +12V 5 6.5 mA

PSOR Power Supply Operating Range 2.7 12.0 V

CM

= 1.5V, V

= 1.5V, unless otherwise specified.

OUT

EL2450C -4 4 mV

= 0V -5.5 -10 µA

IN

= 0V -750 150 750 nA

IN

VCM = 0V to +3.0V 55 70 dB

PDIP Package 1.5 pF

= +1 40 mΩ

V

MIN

MIN

to T

to T

MAX

MAX

10 µV/°C

50 nA/°C

DC Electrical Characteristics

VS = +5V, GND = 0V, TA = 25°C, V

Parameter Description Test Conditions Min Typ Max Unit

AVOL Open Loop Gain VS = +12V, V

V

OP

Positive Output

Voltage Swing

= +1.5V, V

CM

= +1.5V, unless otherwise specified.

OUT

to GND

V

= +1.5V to +3.5V, R

OUT

V

= +1.5V to +3.5V, R

OUT

GND

VS = +12V, AV = +1, R

VS = +12V, AV = +1, R

VS = ±5V, AV = +1, R

VS = ±5V, AV = +1, R

VS = +3V, AV = +1, R

2

= +2V to +9V, R

OUT

L

L

= 1kΩ to 0V 4.0 V

L

= 150Ω to 0V 3.4 3.8 V

L

= 150Ω to 0V 1.8 1.95 V

L

= 1kΩ

L

= 1kΩ to GND 70 dB

L

= 150Ω to

L

60 80 dB

60 dB

= 1kΩ to 0V 10.8 V
= 150Ω to 0V 9.6 10.0 V

EL2250C, EL2450C

125MHz Single Supply Dual/Quad Op Amps

DC Electrical Characteristics

VS = +5V, GND = 0V, TA = 25°C, V

Parameter Description Test Conditions Min Typ Max Unit

V

ON

Negative Output

Voltage Swing

I

OUT

Output Current

1. Internal short circuit protection circuitry has been built into the EL2250C/EL2450C; see the Applications section

= +1.5V, V

CM

[1]

= +1.5V, unless otherwise specified.

OUT

VS = +12V, AV = +1, R

V S= ±5V, AV = +1, R

VS = ±5V, AV = +1, R

VS = ±5V, AV = +1, R

VS = ±5V, AV = +1, R
mA

= 150Ω to 0V 5.5 8 mV

L

= 1kΩ to 0V -4.0 V

L

= 150Ω to 0V -3.7 -3.4 V

L

= 10Ω to 0V ±75 ±100 mA

L

= 50Ω to 0V±60V

L

EL2250C, EL2450C

Closed Loop AC Electrical Characteristics

VS = +5V, GND = 0V, TA = 25°C, V

= +1.5V, V

CM

= +1.5V, AV = +1, R

OUT

= 0Ω, RL = 150Ω to GND pin, unless otherwise specified.

F

[1]

Parameter Description Test Conditions Min Typ Max Unit

BW -3dB Bandwidth

(V

=400mVp-p)

OUT

BW ±0.1dB Bandwidth

(V

=400mVp-p)

OUT

VS = +5V, AV = +1, R

VS = +5V, AV = -1, R

VS = +5V, AV = +2, R

VS = +5V, AV = +10, R

VS = +12V, AV = +1, R

VS = +3V, AV = +1, R

VS = +12V, AV = +1, R

VS = +5V, AV = +1, R

VS = +3V, AV = +1, R

= 0Ω 125 MHz

F

= 500Ω 60 MHz

F

= 500Ω 60 MHz

F

= 500Ω 6 MHz

F

= 0Ω 150 MHz

F

= 0Ω 100 MHz

F

= 0Ω 25 MHz

F

= 0Ω 30 MHz

F

= 0Ω 20 MHz

F

GBWP Gain Bandwidth Product VS = +12V, @ AV = +10 60 MHz

PM Phase Margin R

SR Slew Rate VS = +10V, R

tR, t

F

Rise Time, Fall Time ±0.1V Step 2.8 ns

= 1kΩ, C

L

VS = +5V, R

= 6pF 55 °

L

= 150Ω, V

L

= 150Ω, V

L

= 0V to +6V 200 275 V/µs

OUT

= 0V to +3V 300 V/µs

OUT

OS Overshoot ±0.1V Step 10 %

t

PD

t

S

dG Differential Gain

dP Differential Phase

e

N

i

N

Propagation Delay ±0.1V Step 3.2 ns

0.1% Settling Time VS = ±5V, R

0.01% Settling Time VS = ±5V, R

[2]

[2]

±3V

±3V

AV = +2, R

AV = +2, R

= 500Ω, A

L

= 500Ω, A

L

= 1kΩ 0.05 %

F

= 1kΩ 0.05 °

F

= +1, V

V

= +1, V

V

OUT

OUT

=

=

40 ns

75 ns

Input Noise Voltage f = 10kHz 48 nV/√Hz
Input Noise Current f = 10kHz 1.25 pA/√Hz

1. All AC tests are performed on a “warmed up” part, except slew rate, which is pulse tested

2. Standard NTSC signal = 286mV

, f = 3.58MHz, as VIN is swept from 0.6V to 1.314V; RL is DC coupled

P-P

3

EL2250C, EL2450C

125MHz Single Supply Dual/Quad Op Amps

Typical Performance Curves

EL2250C, EL2450C

Non-Inverting Frequency Response
(Gain)

Non-Inverting Frequency Response
(Phase)

Inverting Frequency Response (Phase)Inverting Frequency Response (Gain)

3dB Bandwidth vs Temperature for Non­Inverting Gains

3dB Bandwidth vs Temperature for
Inverting Gains

Frequency Response for Various R

L

Frequency Response for Various C

4

L

Non-Inverting Frequency Response vs
Common Mode Voltage

EL2250C, EL2450C

125MHz Single Supply Dual/Quad Op Amps

EL2250C, EL2450C

3dB Bandwidth vs Supply Voltage for
Non-Inverting Gains

3dB Bandwidth vs Supply Voltage for
Inverting Gains

Frequency Response for Various Supply
Voltages, AV = + 1

Voltages, AV = + 2

PSSR and CMRR vs Frequency

PSRR and CMRR vs Die TemperatureFrequency Response for Various Supply

Open Loop Gain and Phase vs Frequency Open Loop Voltage Gain vs Die

Temperature

5

Closed Loop Output Impedance vs
Frequency

EL2250C, EL2450C

125MHz Single Supply Dual/Quad Op Amps

Large Signal Step Response, VS = +3V Large Signal Step Response, VS = +5V Large Signal Step Response, VS = +12V

EL2250C, EL2450C

Small Signal Step Response Large Signal Step Response, VS = ±5V

Slew Rate vs Temperature Settling Time vs Settling Accuracy Voltage and Current Noise vs Frequency

6