LMH0387

SNLS315G – APRIL 2010 – REVISED APRIL 2013

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Output Mode (Cable Driver) AC Electrical Characteristics

Over Supply Voltage and Operating Temperature ranges, unless otherwise specified

Symbol

Parameter

Conditions

Reference

Min

Typ

Max

Units

Maximum Input Data Rate

SDI, SDI

2970

Mbps

Additive Jitter

BNC_IO

20

18

15

Output Rise Time, Fall Time

SD/HD = 0, 20% – 80%

65

130

ps

SD/HD = 1, 20% – 80%

400

800

ps

Mismatch in Rise/Fall Time

SD/HD = 0

30

ps

SD/HD = 1

50

ps

Duty Cycle Distortion

30

ps

100

ps

Output Overshoot

10

%

8

%

Output Return Loss

15

dB

10

dB

(1)

(2)

Cable driver additive jitter is measured with the input AC coupled.

(3)

Specification is ensured by characterization.

(4)

Return loss is dependent on board design. The LMH0387 exceeds this specification on the SD387 evaluation board.

Input Mode (Equalizer) SPI Interface AC Electrical Characteristics

Over Supply Voltage and Operating Temperature ranges, unless otherwise specified

Symbol

Parameter

Conditions

Reference

Min

Typ

Max

Units

Recommended Input Timing Requirements

SCK Frequency

SCK

20

MHz

SCK Pulse Width High

Figure 2, Figure 3

% SCK

40

period

SCK Pulse Width Low

% SCK

40

period

MOSI Setup Time

Figure 2, Figure 3

MOSI

4

ns

MOSI Hold Time

4

ns

SS Setup Time

Figure 2, Figure 3

SS

4

ns

SS Hold Time

4

ns

SS Off Time

10

ns

Switching Characteristics

MISO Driven-to-Tristate Time

Figure 3

MISO

15

ns

MISO Tristate-to-Driven Time

15

ns

MISO Output Delay Time

15

ns

(1)

8

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