SM9403BM Ver la hoja de datos (PDF) - Nippon Precision Circuits

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Fabricante

SM9403BM

DVDRAM Servo-amplifier LSI

Nippon Precision Circuits  

SM9403BM

Header Position Detector Characteristics (CAPAP/N → CAPAREA, CAPIN, CAPOUT)

VCC = 5V ± 5%, GND = 0V, Ta = 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

CL = 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

VCC = 5V ± 5%, GND = 0V, Ta = 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)

VCC = 5V ± 5%, GND = 0V, Ta = 0 to 70°C

Parameter

Switching response time

Condition

Serial interface timing

Rating

Unit

min

typ

max

–

–

1

µs

NIPPON PRECISION CIRCUITS—8

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