CXA1870 查看數據表（PDF） - Sony Semiconductor
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CXA1870 Datasheet PDF : 40 Pages
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CXA1870S
Electrical Characteristics
Setting conditions
• Ta = 25 °C VCC = 9 V
• I2C bus register should be set to “I2C Bus Register Initial Settings”.
No.
Item
Current
1
consumption 1
Symbol
ICC1
Measurement Measurement
conditions
pin
Measurement method
3
Measure the VCC pin inflow current.
Min. Typ. Max. Unit
53 80 110 mA
H system items
No.
Item
Symbol
Measurement Measurement
conditions
pin
Measurement method
2 Horizontal free
Hfree
29
running frequency
Horizontal sync
3
pull-in range
Video In: Sig-H2,H3
∆H
AFC: 0
Check that I2C register HLOCK is 1.
Video In: Sig-H6
t1: Video In: Time from
4 AFC gain 1
AFC: 0
AFCmax
Video In: Sig-H7
fall of Sig-H6 to rise of
31
AFCmax=t1-t2
Pin 31.
AFC: 0
Video In: Sig-H6
t2: Video In: Time from
5 AFC gain 2
AFC: 1
AFCcen
Video In: Sig-H7
fall of Sig-H7 to rise of
31
AFCcen=t1-t2
Pin 31.
AFC: 1
Video In: Sig-H6
AFC: 2
6 AFC gain 3
AFCmin
31
Video In: Sig-H7
AFCmin=t1-t2
AFC: 2
HD output pulse
7
HD, W Video In: Sig-H1
width
HD output
8
high level
HD, H Video In: Sig-H1
29
HD,H
HD,L
HD output
9
low level
HD, L Video In: Sig-H1
HD,W
Horizontal phase
Video In: Sig-Y11
10
HPHmax
operating range 1
HPHASE: F
Pin 20
Horizontal phase
Video In: Sig-Y11
20
11
HPHcen
operating range 2
HPHASE: 7
31
Pin 31
Horizontal phase
Video In: Sig-Y11
12
HPHmin
operating range 3
HPHASE: 0
HPH
HP blanking
13
HPBLK1
delay time 1
20
Video In: Sig-Y11
HP blanking
31
14
HPBLK2
delay time 2
Pin 20
Pin 31
HPBLK1
HPBLK2
Min. Typ. Max. Unit
15.60 15.78 15.96 kHz
–400 — 400 µs
0.12 0.3 0.48 µs
— 0.5 — µs
0.75 1.2 1.75 µs
24 26 28 µs
8.7 9 — V
0.5 0.8 1.1 V
–4.3 –3.3 –2.3 µs
–1.5 –0.5 0.5 µs
1.3 2.3 3.3 µs
— 100 — ns
— 100 — ns
HSS OUT
15
high level
HSS OUT
16
low level
17 Overvoltage
protection circuit VHT
HSS, H
HSS, L
XVTH
39
HSS,H
HSS,L
Check that HD appears at 2.4 V and
30
disappears at 2.8 V.
4 4.6 5 V
0 0.1 0.5 V
2.4 2.6 2.8 V
—11—
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