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SM9403BM Datasheet, PDF (9/18 Pages) Nippon Precision Circuits Inc – DVDRAM Servo-amplifier LSI
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