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

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SM9403BM

DVDRAM Servo-amplifier LSI

Nippon Precision Circuits  

SM9403BM

Track Count Pulse Generator Characteristics (TSUB → TRP, TROFF)

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

Parameter

Condition

Rating

min

typ

max

TSUB input signal range

VREF2 reference

−1 . 2 5

–

+1.25

TSUB signal limiter voltage level

VREF2 reference

±1.0

–

–

TSUB signal amplifier gain

f = 5kHz

5.83

6.0

6.17

Quantization level offset set value

TRP output comparator hysteresis1

typ − 15% See table 15 typ + 15%

typ − 10% See table 16 typ + 10%

TRP output comparator hysteresis

response time

Minimum hysteresis, target value ± 10%

–

–

600

TRP output comparator hysteresis

switching response time

Minimum ↔ maximum hysteresis value

–

–

2

TROFF output comparator window

typ − 10% See table 17 typ + 10%

TROFF output comparator window

switching response time

Minimum ↔ maximum window value

–

–

5

1. TRP has the same polarity as TRE (i.e.TRP is HIGH when TRE > VREF2).

TROFF is HIGH when the input signal is inside the window, and LOW when outside the window.

Reference Voltage Generator Characteristics (VREF2, VREF4)

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

Parameter

Condition

VREF4 output voltage

VREF2 output voltage

VREF4 output voltage temperature drift

VREF2 output voltage temperature drift

VREF4 output voltage supply voltage

dependency

VREF2 output voltage supply voltage

dependency

VREF4 output voltage load regulation

VREF2 output voltage load regulation

Relative output voltage accuracy1

Relative output voltage temperature drift

Relative output-voltage supply-voltage

dependency

VREF4 power-down output impedance

VREF2 power-down output impedance

1. Defined as (VREF2 − (VREF4 ÷ 2)).

V C C = 5V, Ta = 25°C , IO U T = 0

V C C = 5V, Ta = 0 to 70°C , IO U T = 0

V C C = 5V ± 5%, Ta = 25°C , IO U T = 0

V C C = 5V,

Ta = 2 5 °C

IO U T = 0 to 8mA

IO U T = 0 to ±5mA

V C C = 5V, IO U T = 0

V C C = 5V, Ta = 0 to 70°C , IO U T = 0

V C C = 5V ± 5%, Ta = 25°C , IO U T = 0

Rating

min

typ

max

3.84

4.0

4.16

1.92

2.0

2.08

–

–

±400

–

–

±200

–

–

±6

–

–

±3

–

–

−2 0

–

–

±10

–

–

±20

–

–

±10

–

–

±1

13

–

–

1

–

–

Unit

V

V

dB

mV

mV

ns

µs

mV

µs

Unit

V

V

µ V / °C

µ V / °C

mV

mV

mV

mV

mV

µ V / °C

mV

kΩ

MΩ

NIPPON PRECISION CIRCUITS—9

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