參數(shù)資料
型號(hào): LP39542
廠商: National Semiconductor Corporation
英文描述: Zener Diode; Application: Low noise; Pd (mW): 250; Vz (V): 4.3 to 4.7; Condition Iz at Vz (mA): 0.5; C (pF) max: -; Condition VR at C (V):   ESD (kV) min: -; Package: LLD
中文描述: 高級(jí)照明管理單位
文件頁(yè)數(shù): 53/58頁(yè)
文件大?。?/td> 2547K
代理商: LP39542
AUDIO_SYNC_CTRL1 (2AH) – AUDIO SYNCHRONIZATION AND ADC CONTROL REGISTER 1
D7
D6
D5
D4
D3
D2
D1
D0
gain_sel[2:0]
rw-0
sync_mode
rw-0
en_agc
rw-0
en_sync
rw-0
input_sel[1:0]
rw-1
rw-0
rw-0
gain_sel[2:0]
Bits 7-5
Input signal gain control
gain_sel[2:0]
000
001
010
011
100
101
110
111
gain, dB
0 (default)
3
6
9
12
15
18
21
sync_mode
Bit 4
Input filter mode control
0 – Amplitude mode
1 – Frequency mode
0 – automatic gain control disabled
1 – automatic gain control enabled
0 – audio synchronization disabled
1 – audio synchronization enabled
ADC input selector
input_sel[1:0]
00
Single ended input signal (ASE)
01
Temperature measurement
10
Ambient light measurement
11
en_agc
Bit 3
en_sync
Bit 2
input_sel[1:0]
Bits 1-0
Input
No input (default)
AUDIO_SYNC_CTRL2 (2BH) – AUDIO SYNCHRONIZATION AND ADC CONTROL REGISTER 2
D7
D6
r-0
D5
D4
D3
D2
D1
speed_ctrl[1:0]
rw-0
D0
en_avg
rw-0
mode_ctrl[1:0]
rw-0
r-0
r-0
rw-0
rw-0
en_avg
Bit 4
0 – averaging disabled. f
sample
= 122 Hz, data in
register changes every 8.2 ms.
1 – averaging enabled. f
sample
= 244 Hz, averaging of
64 samples, data in register changes every 262 ms
(3.2Hz).
Filtering mode control
LEDs light response time to audio input
speed_ctrl[1:0]
00
01
10
11
mode_ctrl[1:0]
Bits 3-2
speed_ctrl[1:0]
Bits 1-0
Response
FASTEST (default)
FAST
MEDIUM
SLOW
53
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相關(guān)PDF資料
PDF描述
LP39542RL Zener Diode; Application: Low noise; Pd (mW): 250; Vz (V): 4.6 to 5.0; Condition Iz at Vz (mA): 0.5; C (pF) max: -; Condition VR at C (V):   ESD (kV) min: -; Package: LLD
LP39542RLX Zener Diode; Application: Low noise; Pd (mW): 250; Vz (V): 4.9 to 5.3; Condition Iz at Vz (mA): 0.5; C (pF) max: -; Condition VR at C (V):   ESD (kV) min: -; Package: LLD
LP39542TL Advanced Lighting Management Unit
LP39542TLX Advanced Lighting Management Unit
LP3954 Advanced Lighting Management Unit
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
LP39542RL 制造商:Texas Instruments 功能描述:IC, LIGHTING MGNT UNIT, SMD
LP39542RL/NOPB 功能描述:LED照明驅(qū)動(dòng)器 RoHS:否 制造商:STMicroelectronics 輸入電壓:11.5 V to 23 V 工作頻率: 最大電源電流:1.7 mA 輸出電流: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SO-16N
LP39542RLX 制造商:NSC 制造商全稱(chēng):National Semiconductor 功能描述:Advanced Lighting Management Unit
LP39542RLX/NOPB 功能描述:LED照明驅(qū)動(dòng)器 RoHS:否 制造商:STMicroelectronics 輸入電壓:11.5 V to 23 V 工作頻率: 最大電源電流:1.7 mA 輸出電流: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SO-16N
LP39542TL 制造商:NSC 制造商全稱(chēng):National Semiconductor 功能描述:Advanced Lighting Management Unit