CXA3010Q Datasheet, PDF (9/26 Pages) Sony Corporation – Read/Write Amplifier (with Built-in Filters) for FDDs

CXA3010Q
External
Comparator Output
(Measurement point F)
Read data output
(Measurement point A)
T1
T2
TA
1.4V
TB
Fig. 1 1st and 2nd monostable multivibrator pulse width precision
and peak shift measurement conditions
• 1st monostable multivibrator pulse width precision
When X360 = High and XHD = High:
ETM1 = ( ^T1 –1) × 100 [%]
2.5µs
When X360 = Low and XHD = High, or X360 = X and XHD = Low:
ETM1' = ( ^T1 –1) × 100 [%]
1.25µs
• 1st monostable multivibrator pulse width = T2
• Peak shift
PS =
1
2
TA – TB
TA + TB
× 100 [%]
–9–