ZL40166/DCB datasheet, PDF - EEWORLD Datasheet

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ZL40166/DCB: DescriptionVideo Amplifier, 1 Channel(s), 2 Func, PDSO8, 0.150 INCH, MS-012AA, SOIC-8; CategoryAnalog mixed-signal IC Amplifier circuit; File Size543KB，32 Pages; ManufacturerZarlink Semiconductor (Microsemi); Websitehttp://www.zarlink.com/

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ZL40166/DCB Overview

Video Amplifier, 1 Channel(s), 2 Func, PDSO8, 0.150 INCH, MS-012AA, SOIC-8

ZL40166/DCB Parametric

Parameter Name	Attribute value
Is it Rohs certified?	incompatible
package instruction	SOP,
Reach Compliance Code	unknown
ECCN code	EAR99
Amplifier type	OPERATIONAL AMPLIFIER
JESD-30 code	R-PDSO-G8
JESD-609 code	e0
length	4.9 mm
Number of functions	2
Number of terminals	8
Package body material	PLASTIC/EPOXY
encapsulated code	SOP
Package shape	RECTANGULAR
Package form	SMALL OUTLINE
Certification status	Not Qualified
Maximum seat height	1.75 mm
surface mount	YES
Temperature level	INDUSTRIAL
Terminal surface	Tin/Lead (Sn/Pb)
Terminal form	GULL WING
Terminal pitch	1.27 mm
Terminal location	DUAL
width	3.9 mm
Base Number Matches	1

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ZL40166

High Output Current

High Speed Dual Operational Amplifier

Data Sheet

Features

•

High Output Drive

• 18.8 Vpp differential output voltage, RL = 50Ω

• 9.4 Vpp single-ended output voltage, RL =

25Ω

High Output Current

• ± 200mA @ Vo = 9.4 Vpp, Vs = 12V

Low Distortion

• 85dB SFDR (Spurious Free Dynamic Range)

@ 100KHz, Vo = 2Vpp, RL = 25Ω

High Speed

• 192MHz 3dB bandwidth (G=2)

• 240V /

µs

slew rate

Low Noise

• 3.8nV /

√Hz:

input noise voltage

• 2.7pA /

√Hz:

input noise current

Low supply current: 7mA/amp

• Single-supply operation: 5V to 12V

High ESD (Electro-Static Discharge) immunity

• 4kV for Supply and Output pins

Low differential gain and phase

• 0.005% and -0.07deg

Ordering Information

ZL40166/DCA (tubes) 8 lead SOIC

ZL40166/DCB (tape and reel) 8 lead SOIC

-40°C to +85°C

April 2003

•

Description

The ZL40166 is a low cost voltage feedback opamp

capable of driving signals to within 1V of the power

supply rails. It features low noise and low distortion

accompanied by a high output current which makes it

ideally suited for the application as an xDSL line driver.

The dual opamp can be connected as a differential line

driver delivering signals up to 18.8Vpp swing into a 25

Ω

load, fully supporting the peak upstream power levels

for upstream full-rate ADSL (Asymmetrical Digital

Subscriber Line).

The wide bandwidth, high power output and low

differential gain and phase figures make the ZL40166

ideally suited for a wide variety of video driver

applications.

•

Applications

•

ADSL PCI modem cards

xDSL external modem

Line Driver

Out_1

8 V+

7 Out_2

In_n_1 2

In_p_1 3

6 In_n_2

V- 4

ZL40166

5 In_p_2

Figure 1 - Functional Block Diagram and Pin Connection

Data Sheet

Video transmitter and receiver for twisted wire pair.

ZL40166

Composite video signals can be transmitted down twisted pair cable, i.e. Ethernet (CAT 5), using a differential

transmitter and receiver. The transmitter must be able to drive high currents into the low impedance twisted pair

cable. For video, the amplifiers require flat gain and low phase-shift over the video signal band. To ensure this, the

amplifiers will have 3dB bandwidths well in excess of this. The ZL40166 (dual amplifier) has all of these attributes.

With reference to the differential video driver shown in Figure , the input coax is assumed to have a characteristic

impedance of 75 Ohms, this is terminated with a parallel combination of 110 Ohms and the input impedance of

amplifier IC1 (b) of 255 Ohms, giving 77 Ohms. Low values of feedback resistors are used around the op-amps to

reduce phase-shift due to parasitic capacitors and to minimise the addition of noise.

Baseband PAL or NTSC video signals generally have an amplitude of 2V pk-pk. A gain of two is used to ensure that

the signal level at the end of the (terminated with 100 Ohms) differential pair will be the same as the input level,

neglecting any losses due to the use of long cable lengths.

Composite Video

Co-Ax Input

IC1(a)

50R

110R

510R

50R

510R

IC1(b)

510R

Twisted Pair

Output

Figure 4 - Differential Video Driver

The differential receiver is shown in Figure 5 has a 100 Ohm line termination resistor, followed by a differential

amplifier. Long cables will tend to attenuate the signal with greater losses at the higher frequencies, so the second

amplifier is used to equalise these losses. Initially the amplifier should be built without fitting components R1 and

C1. Select the value of R2 to give the required gain at low frequency. Adjust the values of R1 and C1 to correct for

the frequency dependant attenuation of the cable.

To drive a coax cable the output of the amplifier is connected via a series matching 75 Ohm resistor, again this

second (dual amplifier) ZL40166 provides the required power output for the restored 2Vpk-pk video signal.

510R

Twisted Pair

Input

100R

510R

IC2(a)

IC2(b)

510R

75R

Composite Video

Co-Ax Output

Figure 5 - Differential Video Receiver

Zarlink Semiconductor Inc.

ZL40166/DCB Related Products

	ZL40166/DCB	ZL40166/DCA
Description	Video Amplifier, 1 Channel(s), 2 Func, PDSO8, 0.150 INCH, MS-012AA, SOIC-8	Video Amplifier, 1 Channel(s), 2 Func, PDSO8, 0.150 INCH, MS-012AA, SOIC-8
Is it Rohs certified?	incompatible	incompatible
package instruction	SOP,	SOP,
Reach Compliance Code	unknown	unknown
ECCN code	EAR99	EAR99
Amplifier type	OPERATIONAL AMPLIFIER	OPERATIONAL AMPLIFIER
JESD-30 code	R-PDSO-G8	R-PDSO-G8
JESD-609 code	e0	e0
length	4.9 mm	4.9 mm
Number of functions	2	2
Number of terminals	8	8
Package body material	PLASTIC/EPOXY	PLASTIC/EPOXY
encapsulated code	SOP	SOP
Package shape	RECTANGULAR	RECTANGULAR
Package form	SMALL OUTLINE	SMALL OUTLINE
Certification status	Not Qualified	Not Qualified
Maximum seat height	1.75 mm	1.75 mm
surface mount	YES	YES
Temperature level	INDUSTRIAL	INDUSTRIAL
Terminal surface	Tin/Lead (Sn/Pb)	Tin/Lead (Sn/Pb)
Terminal form	GULL WING	GULL WING
Terminal pitch	1.27 mm	1.27 mm
Terminal location	DUAL	DUAL
width	3.9 mm	3.9 mm
Base Number Matches	1	1

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