ELANT EL2045CS, EL2045CN Datasheet

EL2045C

Low-Power 100 MHz Gain-of-2 Stable Operational Amplifier

EL2045C December 1995 Rev C

Features

# 100 MHz gain-bandwidth

product

# Gain-of-2 stable
# Low supply current

e

5.2 mA at V

e

g

15V

S

# Wide supply range

e

g

2V tog18V dual-supply

e

2.5V to 36V single-supply

# High slew rate
# Fast settling

e

275 V/ms

e

80 ns to 0.1% for

a 10V step

# Low differential gain

ea

A

2, R

V

L

# Low differential phase

ea

A

2, R

V

L

e

e

150X

150X

e

0.02% at

e

0.07§at

# Stable with unlimited capacitive

load

# Wide output voltage swing

e

g

13.6V with V

e

R

1000X

L

e

3.8V/0.3V with V

e

R

500X

L

e

g

15V,

S

ea

5V,

S

Applications

# Video amplifier
# Single-supply amplifier
# Active filters/integrators
# High-speed sample-and-hold
# High-speed signal processing
# ADC/DAC buffer
# Pulse/RF amplifier
# Pin diode receiver
# Log amplifier
# Photo multiplier amplifier
# Difference amplifier

General Description

The EL2045C is a high speed, low power, low cost monolithic
operational amplifier built on Elantec’s proprietary comple­mentary bipolar process. The EL2045C is gain-of-2 stable and
features a 275 V/ms slew rate and 100 MHz gain-bandwidth
product while requiring only 5.2 mA of supply current.

The power supply operating range of the EL2045C is from

g

18V down to as little asg2V. For single-supply operation,
the EL2045C operates from 36V down to as little as 2.5V. The
excellent power supply operating range of the EL2045C makes
it an obvious choice for applications on a single

a

5V ora3V

supply.

The EL2045C also features an extremely wide output voltage
swing of

g

13.6V with V

output voltage swing is a wide

g

3.2V with R
tion at
with R

a

L

At a gain of

e

L

5V, output voltage swing is an excellent 0.3V to 3.8V

e

500X.

a

2, the EL2045C has ab3 dB bandwidth of

e

g

15V and R

S

g

3.8V with R

150X. Furthermore, for single-supply opera-

100 MHz with a phase margin of 50

e

1000X.Atg5V,

L

. It can drive unlimited

§

L

e

500X and

load capacitance, and because of its conventional voltage-feed­back topology, the EL2045C allows the use of reactive or non­linear elements in its feedback network. This versatility com­bined with low cost and 75 mA of output-current drive makes
the EL2045C an ideal choice for price-sensitive applications re­quiring low power and high speed.

Connection Diagram

DIP and SO Package

Ordering Information

Part No. Temp. Range Package Outline

EL2045CN 0§Ctoa75§C 8-Pin P-DIP MDP0031

EL2045CS 0§Ctoa75§C 8-Lead SO MDP0027

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.

©

1992 Elantec, Inc.

Ý

2045– 1

EL2045C

Low-Power 100 MHz Gain-of-2 Stable Operational Amplifier

Absolute Maximum Ratings

Supply Voltage (V
Peak Output Current (I
Output Short-Circuit Duration Infinite

(Note 1)
Input Voltage (V
Differential Input Voltage (dVIN)

Important Note:
All parameters having Min/Max specifications are guaranteed. The Test Level column indicates the specific device testing actually
performed during production and Quality inspection. Elantec performs most electrical tests using modern high-speed automatic test
equipment, specifically the LTX77 Series system. Unless otherwise noted, all tests are pulsed tests, therefore T

Test Level Test Procedure

I 100% production tested and QA sample tested per QA test plan QCX0002.

II 100% production tested at T

III QA sample tested per QA test plan QCX0002.
IV Parameter is guaranteed (but not tested) by Design and Characterization Data.

V Parameter is typical value at T

)

S

) Short-Circuit Protected

OP

IN)

T

MAX

and T

per QA test plan QCX0002.

MIN

A

DC Electrical Characteristics

e

(T

25§C)

A

g

18V or 36V

g

g

10V

e

25§C and QA sample tested at T

e

25§C for information purposes only.

A

e

V

S

Power Dissipation (P
Operating Temperature

Range (T

Operating Junction

V

g

Temperature (T

S

Storage Temperature (T

e

15V, R

L

) See Curves

D

)0

A

) 150§C

J

)

ST

J

e

25§C,

A

Ctoa75§C

§

b

65§Ctoa150§C

e

e

T

TA.

C

1000X, unless otherwise specified

Parameter Description Condition Temp Min Typ Max Test Level Units

e

V

OS

TCV

I

B

I

OS

TCI

A

VOL

OS

Input Offset V
Voltage

Average Offset (Note 2)

OS

Voltage Drift

Input Bias V
Current

Input Offset V
Current

Average Offset (Note 2)
Current Drift

Open-Loop Gain V

PSRR Power Supply V

Rejection Ratio

g

15V 25§C 0.5 7.0 I mV

S

T

MIN,TMAX

9.0 III mV

All 10.0 V mV/

e

g

15V 25§C 2.8 8.2 I mA

S

T

MIN,TMAX

e

g

V

5V 25§C 2.8 V mA

S

e

g

15V 25§C 50 300 I nA

S

T

MIN,TMAX

e

g

V

5V 25§C50 VnA

S

9.2 III mA

400 III nA

All 0.3 V nA/

e

g

15V,V

S

e

g

V

5V, V

S

e

g

V

5V, V

S

e

g

5V tog15V 25§C6585 I dB

S

OUT

OUT

OUT

e

g

e

g

e

g

10V, R

2.5V, R

2.5V, R

e

1000X 25§C 1500 3000 I V/V

L

T

MIN,TMAX

e

500X 25§C 2500 V V/V

L

e

150X 25§C 1750 V V/V

L

T

MIN,TMAX

1500 III V/V

60 III dB

C

§

C

§

TDis3.5in

2

EL2045C

Low-Power 100 MHz Gain-of-2 Stable Operational Amplifier

DC Electrical Characteristics

e

g

V

S

15V, R

e

1000X, unless otherwise specified Ð Contd.

L

Parameter Description Condition Temp Min Typ Max Test Level Units

CMRR Common-Mode V

Rejection Ratio

CMIR Common-Mode V

Input Range

V

I

I

R

OUT

SC

S

IN

Output Voltage V
Swing

Output Short 25§C4075 ImA
Circuit Current

Supply Current V

Input Resistance Differential 25§C 150 V kX

e

g

12V, V

CM

e

g

15V 25§C

S

e

g

V

5V 25§C

S

ea

V

5V 25§C 4.2/0.1 V V

S

e

g

15V, R

S

e

g

V

15V, R

S

e

g

V

5V, R

S

e

g

V

5V, R

S

ea

V

5V, R

S

e

g

15V, No Load 25§C 5.2 7 I mA

S

e

g

V

5V, No Load 25§C 5.0 V mA

S

e

0V 25§C7095 IdB

OUT

T

MIN,TMAX

e

1000X 25§C

L

T

MIN,TMAX

e

500X 25§C

L

e

500X 25§C

L

e

150X 25§C

L

e

500X 25§C 3.6/0.4 3.8/0.3 I V

L

T

MIN,TMAX

T

MIN,TMAX

T

MIN,TMAX

70 III dB

g

14.0 V V

g

4.2 V V

g

13.4g13.6 I V

g

13.1 III V

g

12.0g13.4 I V

g

g

3.4

3.8 IV V

g

3.2 V V

3.5/0.5 III V

35 III mA

7.6 III mA

Common-Mode 25§C15VMX

CINInput Capacitance A

R

OUT

Output Resistance A

PSOR Power-Supply Dual-Supply 25§C

Operating Range

ea

2@10 MHz 25§C 1.0 V pF

V

ea

225

V

Single-Supply 25

C50VmX

§

g

2.0

C 2.5 36.0 V V

§

g

18.0 V V

TDis4.5inTDis1.9in

Closed-Loop AC Electrical Characteristics

e

g

V

S

Parameter Description Condition Temp Min Typ Max Test Level Units

BW

GBWP Gain-Bandwidth Product V

PM Phase Margin R

15V, A

V

ea

b

(V

e

2, R

e

R

f

g

3 dB Bandwidth V

e

0.4 VPP)

OUT

1kX,C

f

e

S

V

S

V

S

V

S

V

S

V

S

S

V

S

L

e

3 pF, R

e

e

e

e

e

e

e

e

e

1000X unless otherwise specified

L

g

g

g

g

g

g

g

g

1kX,C

ea

15V, A

15V, A

15V, A

15V, A

15V, A

5V, A

225

V

eb

125

V

ea

525

V

ea

10 25§C 10 V MHz

V

ea

20 25§C 5 V MHz

V

ea

225

V

C 100 V MHz

§

C 75 V MHz

§

C 20 V MHz

§

C 75 V MHz

§

15V 25§C 100 V MHz

5V 25§C 75 V MHz

e

10 pF 25§C50 V

L

3

§

EL2045C

Low-Power 100 MHz Gain-of-2 Stable Operational Amplifier

Closed-Loop AC Electrical Characteristics

e

g

V

S

Parameter Description Condition Temp Min Typ Max Test Level Units

SR Slew Rate (Note 3) V

FPBW Full-Power Bandwidth V

tr,t

f

OS Overshoot 0.1V Output Step 25§C20 V%

tPDPropagation Delay 25§C 2.5 V ns

t

s

dG Differential Gain (Note 5) NTSC/PAL 25§C 0.02 V %

dP Differential Phase (Note 5) NTSC/PAL 25§C 0.07 V

eN Input Noise Voltage 10 kHz 25§C 15.0 V nV/0Hz

iN Input Noise Current 10 kHz 25§C 1.50 V pA/0Hz

CI STAB Load Capacitance Stability A

Note 1: A heat-sink is required to keep junction temperature below absolute maximum when an output is shorted.
Note 2: Measured from T
Note 3: Slew rate is measured on rising edge.
Note 4: For V

Note 5: Video Performance measured at V

15V, A

ea

V

(Note 4)

2, R

e

e

R

f

g

1kX,C

f

e

S

V

S

S

V

S

e

3 pF, R

e

e

e

e

1000X, unless otherwise specified Ð Contd.

L

g

g

g

g

e

15V, R

5V, R

1000X 25§C 200 275 I V/ms

L

e

500X 25§C 200 V V/ms

L

15V 25§C 3.2 4.4 I MHz

5V 25§C 12.7 V MHz

Rise Time, Fall Time 0.1V Output Step 25§C 3.0 V ns

e

Settling toa0.1% V

ea

(A

S

measurement using: FPBW

2)

V

to T

MIN

e

g

15V, V

OUT

.

MAX

e

20 VPP. For V

e

SR/(2q * Vpeak).

corresponds to standard video levels across a back-terminated 75X load. For other values of R

g

15V, 10V Step 25§C80 Vns

S

e

g

V

5V, 5V Step 25§C60 Vns

S

ea

225

V

e

g

5V, V

S

e

g

15V, A

S

OUT

ea

2 with 2 times normal video level across R

V

C Infinite V pF

§

e

5VPP. Full-power bandwidth is based on slew rate

, see curves.

L

EL2045C Test Circuit

e

L

§

150X. This

TDis2.8in

2045– 2

4