ELECTRICAL CHARACTERISTICS VDD
參數(shù)資料
型號: LM4674SQBD
廠商: National Semiconductor
文件頁數(shù): 24/27頁
文件大小: 0K
描述: BOARD EVALUATION LM4674SQ
產(chǎn)品培訓(xùn)模塊: PowerWise® Products and Technology
標(biāo)準(zhǔn)包裝: 1
系列: Boomer®
放大器類型: D 類
輸出類型: 2 通道(立體聲)
在某負(fù)載時(shí)最大輸出功率 x 通道數(shù)量: 2.5W x 2 @ 4 歐姆
電源電壓: 2.4 V ~ 5.5 V
工作溫度: -40°C ~ 85°C
板類型: 完全填充
已用 IC / 零件: LM4674
已供物品:
相關(guān)產(chǎn)品: LM4674SQX-ND - IC AMP AUDIO PWR 2.5W STER 16LLP
LM4674SQ/NOPBDKR-ND - IC AMP AUDIO PWR 2.5W STER 16LLP
LM4674SQ/NOPBCT-ND - IC AMP AUDIO PWR 2.5W STER 16LLP
LM4674SQ/NOPBTR-ND - IC AMP AUDIO PWR 2.5W STER 16LLP
SNAS344E – DECEMBER 2005 – REVISED APRIL 2013
ELECTRICAL CHARACTERISTICS VDD = 3.6V
(1)(2) (continued)
The following specifications apply for AV = 6dB, RL = 15H + 8 + 15H, f = 1kHz unless otherwise specified. Limits apply for
TA = 25°C.
LM4674
Units
Symbol
Parameter
Conditions
(Limits)
Typical(3)
Limit(4)(5)
G0, G1 = GND
6
6 ± 0.5
dB
RL = ∞
G0 = VDD, G1 = GND
12
12 ± 0.5
dB
RL = ∞
AV
Gain
G0 = GND, G1 = VDD
18
18 ± 0.5
dB
RL = ∞
G0, G1 = VDD
24
24 ± 0.5
dB
RL = ∞
AV = 6dB
28
k
AV = 12dB
18.75
k
RIN
Input Resistance
AV = 18dB
11.25
k
AV = 24dB
6.25
k
RL = 15μH + 4 + 15μH, THD ≤ 10%
f = 1kHz, 22kHz BW
VDD = 5V
2.5
W
VDD = 3.6V
1.2
W
VDD = 2.5V
0.530
W
RL = 15μH + 8 + 15μH, THD ≤ 10%
f = 1kHz, 22kHz BW
VDD = 5V
1.5
W
VDD = 3.6V
0.78
0.6
W
VDD = 2.5V
0.350
W
PO
Output Power
RL = 15μH + 4 + 15μH, THD ≤ 1%
f = 1kHz, 22kHz BW
VDD = 5V
1.9
W
VDD = 3.6V
1
W
VDD = 2.5V
0.430
W
RL = 15μH + 8 + 15μH, THD = 1%
f = 1kHz, 22kHz BW
VDD = 5V
1.25
W
VDD = 3.6V
0.63
W
VDD = 2.5V
0.285
W
PO = 500mW, f = 1kHz, RL = 8
0.07
%
THD+N
Total Harmonic Distortion
PO = 300mW, f = 1kHz, RL = 8
0.05
%
VRIPPLE = 200mVP-P Sine,
fRIPPLE = 217Hz, Inputs AC GND,
75
dB
Ci = 1μF, input referred
PSRR
Power Supply Rejection Ratio
VRIPPLE = 1VP-P Sine,
fRIPPLE = 1kHz, Inputs AC GND,
75
dB
Ci = 1μF, input referred
VRIPPLE = 1VP-P
CMRR
Common Mode Rejection Ratio
67
dB
fRIPPLE = 217Hz
PO = 1W, f = 1kHz,
η
Efficiency
85
%
RL = 8, VDD = 5V
Xtalk
Crosstalk
PO = 500mW, f = 1kHz
84
dB
SNR
Signal to Noise Ratio
VDD = 5V, PO = 1W
96
dB
εOS
Output Noise
Input referred, A-Weighted Filter
20
μV
6
Copyright 2005–2013, Texas Instruments Incorporated
Product Folder Links: LM4674
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