SM9403BM Datasheet, PDF (8/18 Pages) Nippon Precision Circuits Inc – DVDRAM Servo-amplifier LSI

SM9403BM
Header Position Detector Characteristics (CAPAP/N → CAPAREA, CAPIN, CAPOUT)
V_CC = 5V ± 5%, GND = 0V, T_a = 0 to 70°C
Parameter
Condition
CAPAP/N input voltage range
Analog signal processor frequency
response
V _IN = V _{R E F 2} ± 0.5V, −3dB from DC
Analog signal quantization slice level
Mono-multivibrator time constant
Mono-multivibrator time constant switching
accuracy
Mono-multivibrator time-constant block
interval accuracy
C A P I N , C A P O U T, CAPAREA output rise
time and fall time
C_L = 20pF
Rating
Unit
min
typ
max
1
–
3
V
13
–
–
MHz
–
See table 9. typ ± 15%
V
typ − 5% See table 10. typ + 45%
µs
–
–
±5
%
–
–
±2.5
%
–
–
15
ns
Sample-and-Hold Control Signal Generator Characteristics
V_CC = 5V ± 5%, GND = 0V, T_a = 0 to 70°C
Parameter
Condition
Rating
Unit
min
typ
max
FER, TRE output response time¹
Mono-multivibrator/CAPSEL/CAPSEEK →
FSHCNT/TSHCNT
–
Serial interface (HRE, FHE, THE, HAE) →
FSHCNT/TSHCNT
–
–
100
ns
–
2
µs
1. F S H C N T a n d TSHCNT are the focus and tracking sample-and-hold internal control signals, respectively.
Tracking Error Signal Switching Characteristics (SWA, SWB)
V_CC = 5V ± 5%, GND = 0V, T_a = 0 to 70°C
Parameter
Switching response time
Condition
Serial interface timing
Rating
Unit
min
typ
max
–
–
1
µs
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