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參數(shù)資料
| 型號(hào)： | 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(guó)的多邊貿(mào)易體制處理LSI |
| 文件頁(yè)數(shù)： | 41/60頁(yè) |
| 文件大小： | 447K |
| 代理商： | C1851BCU |
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46
PC1851B
Data Sheet S13417EJ2V0DS00
(2/3)
Parameter
Symbol
Conditions
MIN.
TYP.
MAX.
Unit
Stereo channel separation 2
Sep2
1 kHz, 30% modulation
23
30
–
dB
Stereo channel separation 3
Sep3
3 kHz, 30% modulation
27
35
–
dB
Stereo channel separation 4
Sep4
5 kHz, 30 % modulation
23
30
–
dB
Stereo channel separation 5
Sep5
8 kHz, 30 % modulation
–
25
–
dB
Monaural total harmonic distortion
THDMO
1 kHz, 100% modulation
–
0.1
0.5
%
Pre-emphasis: ON
Stereo total harmonic distortion 1
THDST1
1 kHz, 100% modulation
–
0.3
1.5
%
Noise reduction: ON
Stereo total harmonic distortion 2
THDST2
8 kHz, 30% modulation
–
0.8
1.8
%
Noise reduction: ON
SAP total harmonic distortion
THDSAP
1 kHz, 100% modulation
–
0.5
2.0
%
Noise reduction: ON
Crosstalk 1 (SAP
→ Stereo)
CT1
SAP : 1 kHz, 100 % modulation
–
–65
dB
Stereo : Pilot signal only, 0 % modulation
Filter: 1 kHz BPF
User mode: Stereo
Crosstalk 2 (Stereo
→ SAP)
CT2
Stereo : 1 kHz, 100 % modulation,
–
–65
dB
SAP : Carrier only, 0 % modulation
Filter: 1 kHz BPF
User mode: SAP1
Monaural total S/N
S/NMO
300 Hz, 100% modulation
65
68
–
dB
Pre-emphasis: ON
Stereo total S/N
S/NST
300 Hz, 100 % modulation
60
65
–
dB
SAP total S/N
S/NSAP
Noise reduction: ON
70
80
–
dB
Input: External input pins, output: LOT, ROT pins
Total muting level
Mute
TV signal : 1 kHz, 100 % modulation
80
–
dB
External input : 1 kHz, 500 mVrms
Timing current
IT
Current provided to STI and WTI pins
7.1
7.5
7.9
A
Inter-mode DC offset 1
VDOF1
Mute
→ Monaural
–50
–
+50
mV
Inter-mode DC offset 2
VDOF2
Mute
→ Stereo
–50
–
+50
mV
Inter-mode DC offset 3
VDOF3
Mute
→ SAP1
–50
–
+50
mV
Inter-mode DC offset 4
VDOF4
Mute
→ External input
–50
–
+50
mV
Surround output characteristics 1
VSR1L
External L-channel input : 100 Hz, 150 mVrms
–7.5
–4.5
0.0
dB
Surround : ON, LOT pin
Surround output characteristics 2
VSR2L
External L-channel input : 1 kHz, 150 mVrms
4.0
5.6
7.0
dB
Surround : ON, LOT pin
Surround output characteristics 3
VSR3L
External L-channel input : 10 kHz, 150 mVrms
4.5
–
8.0
dB
Surround : ON, LOT pin
Surround output characteristics 4
VSR4R
External L-channel input : 1 kHz, 150 mVrms
–1.5
–
+1.5
dB
Surround : ON, ROT pin
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