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參數(shù)資料
| 型號： | C1851BCU |
| 廠商： | NEC Corp. |
| 英文描述： | I2C BUS-COMPATIBLE US MTS PROCESSING LSI |
| 中文描述： | I2C總線兼容美國的多邊貿(mào)易體制處理LSI |
| 文件頁數(shù)： | 51/60頁 |
| 文件大?。?/td> | 447K |
| 代理商： | C1851BCU |
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55
PC1851B
Data Sheet S13417EJ2V0DS00
(8/8)
Parameter
Symbol
Test Conditions
Sub-
Data
User Mode Note
address
External
input 1,
External
input 2,
Stereo,
SAP,
Monaural
External
input 1,
External
input 2
External
input 1,
External
input 2
External
input 1,
External
input 2
External
input 1,
External
input 2
07H
3FH
CT3 = 20 log (VEXT
÷ VTV)
VEXT: Output voltage of LOT or ROT pin when the
input select 1 is set to the external input 1 or 2
(the data of bits D6 and D5 of subaddress 06H are
“01” or “10”).
VTV: Output voltage ROT or LOT pin when the
input select 1 is set to the TV signal (the data of
bits D6 and D5 of subaddress 06H are “00”).
COM pin: Monaural, stereo or SAP signal
(1 kHz, 100 % modulation) input
External input 1 (EL1, ER1 pins), external input 2
(EL2, ER2 pins): No input
Measure the values of the external inputs 1 and 2
individually.
CT4 = 20 log (VEXTR
÷ VEXTL)
VEXTR: Output voltage of ROT pin when the input
select 1 is set to the external input 1 or 2
(the data of bits D6 and D5 of subaddress 06H are
“01” or “10”).
VEXTL: Output voltage LOT pin when the input
select 1 is set to the external input 1 or 2 (the data
of bits D6 and D5 of subaddress 06H are “01” or
“10”).
EL1, EL2 pins: External input signal (1 kHz,
500 mVrms) input
ER1, ER2 pins: No input
Measure the values of the external inputs 1 and 2
individually.
THDEXT: Total harmonic distortion rate of LOT,
ROT pins
External input 1 (EL1, ER1 pins), external input 2
(EL2, ER2 pins): External input signal (1 kHz,
500 mVrms) input
VIEM: Maximum input voltage level
External input 1 (EL1, ER1 pins), external input 2
(EL2, ER2 pins): External input signal (1 kHz)
input when the total harmonic distortion rate of
LOT and ROT pins becomes 1 %.
NO: Output noise of LOT, ROT pins through
DIN/AUDIO
External input 1 (EL1, ER1 pins), external input 2
(EL2, ER2 pins): No input (grounded through the
resistor (Rg = 600
))
CT3
CT4
THDEXT
VIEM
NO
Crosstalk 3
TV signal
→ External input
Crosstalk 4
L-ch
→ R-ch
Total harmonic distortion
(in case of external input)
Maximum input voltage of
external input
Output noise
(in case of external input)
Note
For details about the User Mode, refer to 5. MODE MATRIX.
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