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參數(shù)資料
| 型號： | LV49157V-TLM-H |
| 廠商： | ON Semiconductor |
| 文件頁數(shù)： | 4/11頁 |
| 文件大小： | 0K |
| 描述： | IC AMP AUDIO CLASS D BTL 44SSOP |
| 標(biāo)準(zhǔn)包裝： | 2,000 |
| 類型： | D 類 |
| 輸出類型： | 2-通道（立體聲）帶立體聲耳機(jī) |
| 在某負(fù)載時(shí)最大輸出功率 x 通道數(shù)量： | 15W x 2 @ 8 歐姆; 72mW x 2 @ 16 歐姆 |
| 電源電壓： | 9 V ~ 18 V |
| 特點(diǎn)： | 靜音，短路和熱保護(hù)，待機(jī) |
| 安裝類型： | 表面貼裝 |
| 供應(yīng)商設(shè)備封裝： | 44-SSOPJ |
| 封裝/外殼： | 44-LSSOP（0.220"，5.60mm 寬）裸露焊盤 |
| 包裝： | 帶卷 (TR) |
LV49157V
No.A1567-2/30
Specifications
Absolute Maximum Ratings at Ta
= 25°C
Parameter
Symbol
Conditions
Ratings
Unit
Maximum supply voltage
VD
Supply voltage
20
V
Allowable power dissipation
Pd max
Our PCB, Soldered *
5
W
Package thermal resistance
θjc
Our PCB, Soldered *
2.1
°C/W
Our PCB, Not soldered *
3.6
°C/W
Maximum junction temperature
Tj max
150
°C
Operating temperature
Topr
-25 to +75
°C
Storage temperature
Tstg
-50 to +150
°C
* : Mounted on a specified board 110.0mm × 100.0mm × 1.5mm, glass epoxy (two-layer)
Recommended Operating Range at Ta
= 25°C
Parameter
Symbol
Conditions
Ratings
Unit
min
typ
max
Supply voltage range
VD
Supply voltage
9
15
18
V
Load impedance range
RL
Speaker load
4
8
Ω
RL(HP)
Headphone
16
Ω
Electrical Characteristics at Ta
= 25°C, VD = 15V
Parameter
Symbol
Conditions
Ratings
Unit
min
typ
max
Main Amplifier (RL = 8Ω,L = 33μH (TOKO : A7502BY-330M), C = 0.1μF,CL=0.47μF)
Standby current
Ist
STBY = L, MUTE = L
1
10
μA
Mute current
Imute
STBY = H, MUTE = L
14
20
26
mA
Quiescent current
ICCO
STBY = H, MUTE = H
35
45
55
mA
Voltage gain
VG
fin = 1kHz, VO = 0dBm
28
30
32
dB
Offset voltage
Voffset
Rg = 0
-150
150
mV
Total harmonic distortion
THD+N
PO = 1W, fin = 1kHz, AES17
0.08
0.4
%
Output power
PO
THD+N = 10%, AES17
13
15
W
Channel separation
CH sep.
Rg = 0, VO = 0dBm, DIN AUDIO
55
70
dB
Ripple rejection ratio
SVRR
fr = 100Hz, Vr = 0dBm, Rg = 0, DIN AUDIO
50
60
dB
Noise
VNO
Rg = 0, A-weight
90
300
μVrms
High-level input voltage
VIH
STBY and MUTE pin
3
VD
V
Low-level input voltage
VIL
STBY and MUTE pin
0
1
V
Under voltage protection UPPER
UV_UPPER
VD voltage measure
8.0
V
Under voltage protection LOWER
UV_LOWER
VD voltage measure
7.0
V
Headphone Amplifier(RL = 16Ω,fin=1kHz)
Quiescent current
ICCO
HP_STBY = H
8
12
mA
Voltage gain
VG
VO = -10dBm
9.5
11.5
13.5
dB
Total harmonic distortion
THD+N
PO = 10mW, DIN AUDIO
0.05
0.3
%
Output power
PO
THD+N = 10%, DIN AUDIO
48
60
72
W
Channel separation
CH sep.
fin=1kHz, Rg = 0, VO = -10dBm, DIN AUDIO
55
70
dB
Ripple rejection ratio
SVRR
fr = 100Hz, Vr = 0dBm, Rg = 0, DIN AUDIO
55
70
dB
Noise
VNO
Rg = 0, A-weight
12
60
μVrms
High-level input voltage
VIH
HP_STBY pin
3
VD
V
Low-level input voltage
VIL
HP_STBY pin
0
1
V
Note : The values of these characteristics were measured in the Our test environment. The actual values in an end system will vary depending on the printed
circuit board pattern, the external components actually used, and other factors.
Stresses exceeding Maximum Ratings may damage the device. Maximum Ratings are stress ratings only. Functional operation above the Recommended Operating
Conditions is not implied. Extended exposure to stresses above the Recommended Operating Conditions may affect device reliability.
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