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MAX14600–MAX14605/MAX14618

USB Host Charger Identification/Adapter Emulators

Test Circuits/Timing Diagrams (continued)

Figure 3. Off-Isolation and Crosstalk

MEASUREMENTS ARE STANDARDIZED AGAINST SHORTS AT IC TERMINALS.

OFF-ISOLATION IS MEASURED BETWEEN TD_ AND "OFF" D_ TERMINAL ON EACH SWITCH.

CROSSTALK IS MEASURED FROM ONE CHANNEL TO THE OTHER CHANNEL.

CB0

GND

TDP

DP*

OFF-ISOLATION = 20log

CROSSTALK = 20log

CB1**

NETWORK

ANALYZER

50

Ω

50

Ω

50

Ω

50

Ω

MEAS

REF

*FOR CROSSTALK THIS PIN IS DM.

**NOT AVAILABLE ON MAX14602/MAX14605.

MAX14600–

MAX14605/MAX14618