CLC007 datasheet(3/10 Pages) NSC

Il numero della parte	CLC007

Spiegazioni elettronici	Serial Digital Cable Driver with Dual Complementary Outputs

PDF	10 Pages

Scroll/Zoom	100%

Produttore elettronici	NSC [National Semiconductor (TI)]

Homepage	http://www.national.com

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3 / 10 page

Operation

INPUT INTERFACING

The CLC007 has high impedance, emitter-follower buffered,

differential inputs. Single-ended signals may also be input.

Transmission lines supplying input signals must be properly

terminated close to the CLC007. Either A.C. or D.C. coupling

as in

Figure 2 or Figure 3 may be used. Figures 2, 4 andFig-

ure 5 show how Thevenin-equivalent resistor networks are

used to provide input termination and biasing. The input D.C.

common-mode voltage range is 0.8V to 2.5V below the posi-

tive power supply (V

cc). Input signals plus bias should be

kept within the specified common-mode range. For an 800

P-P input signal, typical input bias levels range from 1.2V

to 2.1V below the positive supply.

Load Type

Resistor to V

CC (R1)

Resistor to V

EE (R2)

ECL, 50

Ω, 5V, V

T=2V

82.5

Ω

124

Ω

ECL, 50

Ω, 5.2V, V

T=2V

80.6

Ω

133

Ω

ECL, 75

Ω, 5V, V

T=2V

124

Ω

187

Ω

ECL, 75

Ω, 5.2V, V

T=2V

121

Ω

196

Ω

800mV

P-P,50Ω, 5V, VT=1.6V

75.0

Ω

154

Ω

800mV

P-P,75Ω, 5V, VT=1.6V

110

Ω

232

Ω

800mV

P-P, 2.2KΩ, 5V, VT=1.6V

3240

Ω

6810

Ω

DS100085-4

FIGURE 1. Input Stage

DS100085-5

FIGURE 2. AC Coupled Input

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