IR3Y38 データシートの表示（PDF） - Sharp Electronics
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IR3Y38 Datasheet PDF : 21 Pages
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IR3Y38M
AC Characteristics
(Unless otherwise specified, TA = +25 ˚C, VCC1 = VCC2 = VCC3 = VCC4 = VCC5 = VCC6 = 5.0 V, VLOGIC = 3.3 V,
ADCK = 0 V, SCK = 0 V, SDATA = 0 V, ‰ = 3.3 V, Â = 3.3 V, fl/H1 = 0 V, fl/H2 = 0 V, fl/H3 = 0 V,
Ô = 3.3 V, Î = 3.3 V, SW42 = OFF, SW43 = (a), Å = 3.3 V, (OFFSET) = 32)
The value of the serial register is written with decimal.
• CDS & AGC Circuits
PARAMETER SYMBOL
CONDITIONS
(GAIN SEL) = 0, (AGC GAIN) = 0
 = SG2, Π= SG3
AGC minimum gain
Input the attenuated SG1 (f = 2 MHz, V = 1.6
GAN
Vp-p) to the SIN and seek the attenuation
amount to make the amplitude of AGCOUT
1.6 Vp-p.
AGC maximum gain
(0)
GAX0
(GAIN SEL) = 0, (AGC GAIN) = 255
Measure the gain using the same procedure
as for the measurement of GAN.
AGC maximum gain
(1)
GAX1
(GAIN SEL) = 1, (AGC GAIN) = 255
Measure the gain using the same procedure
as for the measurement of GAN.
AGC maximum gain
(2)
GAX2
(GAIN SEL) = 2, (AGC GAIN) = 255
Measure the gain using the same procedure
as for the measurement of GAN.
AGC maximum gain
(3)
GAX3
(GAIN SEL) = 3, (AGC GAIN) = 255
Measure the gain using the same procedure
as for the measurement of GAN.
AGC maximum gain
(4)
GAX4
(GAIN SEL) = 4, (AGC GAIN) = 255
Measure the gain using the same procedure
as for the measurement of GAN.
AGC maximum gain
(5)
GAX5
(GAIN SEL) = 5, (AGC GAIN) = 255
Measure the gain using the same procedure
as for the measurement of GAN.
AGC maximum gain
(6)
GAX6
(GAIN SEL) = 6, (AGC GAIN) = 255
Measure the gain using the same procedure
as for the measurement of GAN.
AGC maximum gain
(7)
GAX7
(GAIN SEL) = 7, (AGC GAIN) = 255
Measure the gain using the same procedure
as for the measurement of GAN.
AGC gain variable
width
GAR GAR = GAX7 – GAN
MIN.
11
20.5
23
26
28.5
31
34
36.5
38.5
26.5
TYP. MAX. UNIT
12 13 dB
22 24.5 dB
25 28 dB
28 31 dB
31.5 35 dB
34.5 38 dB
38 42 dB
41 44.5 dB
43.5 47.5 dB
31.5 35.5 dB
16
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