參數(shù)資料
型號(hào): TA1370FG
元件分類(lèi): 信號(hào)分離
英文描述: SYNC SEPARATOR IC, PDSO30
封裝: 0.375 INCH, 1 MM PITCH, PLASTIC, SSOP-30
文件頁(yè)數(shù): 20/42頁(yè)
文件大小: 902K
代理商: TA1370FG
TA1370FG
2005-09-05
27
SW Mode
Note
Item
S07
S23
S24
S26
Test Conditions and Measuring Method (VCC = 9 V, Ta = 25 ± 3°C, unless otherwise specified)
HA04
Sync1 input threshold amplitude
Sync2 input threshold amplitude
c
b
a
b
a
(1)
Set sub-address (00) 0B and (02) 00.
(2)
Input Signal a (33.75 kHz) to pin 26 (SYNC1-IN)
(3)
Measure the sync. tip DC voltage of signal a on pin 26 (SYNC1-IN). (Vsync11)
(4)
Supply external voltage via 100 k
to pin 26 and increase the voltage.
(5)
Measure the sync. tip DC voltage (Vsync12) when HD-OUT desynchronizes with signal a calculate VthS10.
VthS10 = Vsync12 Vsync11
(6)
Set sub-address (00) B1, B2 and B3 and calculate VthS11, VthS12 and VthS13 as well.
(7)
Calculate VthS20, VthS21, VthS22 and VthS23 against pin 24 (SYNC2-IN) in the same way as 4 to 6.
HA05
HD3 input threshold amplitude
(synchronization block)
c
b
(1)
Set sub-address (03) 47 and (02) 02.
(2)
Input Signal b (31.5 kHz) to pin 14 (HD3-IN).
(3)
Increasing the voltage of Signal b from 0 V, measure the voltage of Signal b VthHD3 when HD1-OUT lock.
Signal a
29.63
s
0.285 V
0.593
s
Signal b
31.75
s
VthHD1
2.35
s
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