EL4501 데이터 시트보기 (PDF) - Renesas Electronics

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EL4501

Video Front End

Renesas Electronics 

EL4501

Electrical Specifications VS = VSD = 5V, GND = 0V, TA = 25°C, Input Video = 1VP-P, RFREQ = 130k (Continued)

PARAMETER

DESCRIPTION

CONDITIONS

MIN TYP

fH

Horiz Scan Rate

15

VLOSE

Analog LOS Enable Threshold

Minimum sync amplitude to enable outputs

120

VLOSD

Analog LOS Disable Threshold

Maximum sync amplitude to disable outputs

80

tJIT

Output Jitter

All sync separator outputs

5

ASA

SYNC AMP Gain

1.7

2.0

RSA

SYNC AMP Output Impedance

200

VRFREQ

RFREQ Reference Voltage

RFREQ = 13k to 130k

1.15 1.28

NOTES:

1. RL is Total Load Resistance due to Feedback Resistor and Load Resistor.

2. AC signal amplitude = 286mVPP, F = 3.58MHz, REF IN is swept from 0.8V to 3.4V, RL is DC coupled.

MAX

130

2.3

1.4

UNIT

kHz

mV

mV

ns



V

Typical Performance Curves

4

VREF_IN=1.3V

2 RL=150

AV=1

RF=0

0

-2

-4

-6

100K

AV=2

RF=1k

AV=5

RF=1k

1M

10M

FREQUENCY (Hz)

100M

FIGURE 1. NON-INVERTING FREQUENCY RESPONSE (GAIN)

45

AV=1

0

RF=0

AV=2

-45

RF=1k

-90

AV=5

RF=1k

-135 VREF_IN=1.3V

RL=150

-180

100K

1M

10M

FREQUENCY (Hz)

100M

FIGURE 2. NON-INVERTING FREQUENCY RESPONSE

(PHASE)

4

RL=10k

2

RL=1k

0

RL=150

-2

-4

VREF_IN=1.3V

RF=0

AV=1

-6

100K

1M

10M

FREQUENCY (Hz)

100M

FIGURE 3. FREQUENCY RESPONSE FOR VARIOUS RL

8

CL=39pF

4

CL=15pF

0

CL=0pF

-4

-8

VREF_IN=1.3V

RF=150

AV=1

-12

100K

1M

10M

FREQUENCY (Hz)

100M

FIGURE 4. FREQUENCY RESPONSE FOR VARIOUS CL

FN7327 Rev 3.00

November 12, 2010

Page 4 of 20

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