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2.8W Stereo Class-D Audio Power Amplifier CXAR41102 is suitable for battery power appication because its operating voltage is from 2.4V to 5V and has very low shutdown current. The filter-free archite

The CXAR41102 is a stereo, high efficiency, filter-free ClassD audio amplifier available in a TQFN3x3-16 pins package. The internal gain setting can minimize the external component count and save the PCB space. For the flexible application, the gain can be set to 6dB or 12dB by GAIN control pin. High PSRR and differential architecture provide increase immunity to noise and RF rectification. In addition to these features, short start-up time and small package size make the CXAR41102 an ideal choice for cellular handsets, PDA, and notebook PCs. The CXAR41102 is suitable for battery power appication because its operating voltage is from 2.4V to 5V and has very low shutdown current. The filter-free architecture eliminates the output filter compared to the traditional Class-D audio amplifier, and reduces the external component counts. The CXAR41102 also integrates the de-pop circuitry that reduces the pops and click noises during power on/ off or shutdown enable process. The CXAR41102 is capable of driving 2.8 W at 5 V or 570 mW at 2.4 V into 4W speaker. In addition, it provides thermal and over-current protections.

产品特点 返回TOP

· Operating Voltage: 2.4V~5.5V

· Filter-free Class-D Amplifier

· High Efficiency 87% at PO =1.5W, 8W Speaker, VDD=5V

· Fast Start-up Time (20ms)

· High PSRR: 70dB at 217Hz

· Thermal and Over-Current Protections

· Two Gain-Setting Selectable : 6dB and 12dB

· Less External Components Required

· Space Saving Package – TQFN3x3-16

· Lead Free and Green Devices Available (RoHS Compliant)

应用范围 返回TOP

· Handsets

· PDAs

· Portable Multimedia Devices

· Notebooks

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Audio Products > Speaker Amplifier
Part_No	Package	Cla -ss	VDD Voltage (V)		IDD, Supply Current (mA)	TSTAR -UP (uS)	Out. Pow. RL =4(W)	Output Power RL=8W (W)	Head- phon Mode Output Powe RL=32W(mW)	Total Harm. Dist. Plus Noise (%)	Pow. Sup. Rej. Ratio dB	Output Noise (uV)	Sign. to nois Ratio dB	Output Offset Voltage (mV)	Digit. Input	Head phone	AGC Pow. limit	Mute
Part_No	Package	Cla -ss	min	max	IDD, Supply Current (mA)	TSTAR -UP (uS)	Out. Pow. RL =4(W)	Output Power RL=8W (W)	Head- phon Mode Output Powe RL=32W(mW)	Total Harm. Dist. Plus Noise (%)	Pow. Sup. Rej. Ratio dB	Output Noise (uV)	Sign. to nois Ratio dB	Output Offset Voltage (mV)	Digit. Input	Head phone	AGC Pow. limit	Mute
CXAR4183	SOP-8	AB	3	5.5	1	0.4	1.5	0.9	NA	0.15	74	28	NA	20	N	N	N	N
CXAR4184	MSOP8/P/ TDFN3x3-8	AB	2	5.5	3	0.1	2.1	1.3	NA	0.05	80	15	105	5	N	N	N	N
CXAR4185/A	WLCSP1.5 x1.5-9A TDFN3x3-8 DFN3x3-8	D	2	5.5	2	NA	2.45	1.45	NA	0.1	80	100	90	25	N	N	N	N
CXAR4185B	WLCSP1.5 x1.5-9A	D	2	5.5	2	NA	2.45	1.45	NA	0.1	80	100	90	25	N	N	N	N
CXAR4186/A	WLCSP1.5 x1.5-9A TDFN3x3-8	D	2	5.5	3	NA	2.2	1.3	NA	0.05	70	100	89	20	N	N	N	N
CXAR4187	WLCSP1.2 x1.2-9 TDFN3x3-8	D	2	5.5	2	0	2.45	1.3	NA	0.1	75	55	90	1	N	N	N	N
CXAR4188	WLCSP1.5 x2-12 TQFN4x4-16	G	3	5.2	4	0.6	3.6	2	N/A	0.06	70	49	97.5	2	N	N	N	N
CXAR4189/A	TSSOP24P TSSOP20P TQFN3x2-16	AB	3	5.5	6	NA	1.7	1.1	90	0.04	85	15	105	5	N	Y	N	N
CXAR4190/A	TQFN4x4-16 TQFN3x3-16	AB	3	5.5	6	0.7	2	1.3	52	0.06	61	22	93	10	N	Y	N	N
CXAR4191	TQFN5 x5-20A	AB	2	5.5	6	0.1	2.1	1.3	NA	0.05	80	15	105	5	N	N	N	N
CXAR4192	TQFN4x4-28	AB	5	5.5	18	NA	1.9	1.2	120	0.15	70	80	90	10	N	Y	N	N
CXAR4193	TSSOP-28P TQFN5x5-28	AB	5	5.5	18	NA	1.9	1.2	120	0.15	70	80	90	10	N	Y	N	N
CXAR4194	TQFN5 x5-32A	AB	5	5.5	9	0	1.9	1.3	120	0.07	75	22	100	5	N	Y	N	N
CXAR4195	TQFN5 x5-32	AB	5	5.5	9	0	1.9	1.3	120	0.07	75	22	100	5	N	Y	N	N
CXAR4196	TQFN5 x5-32A	AB	5	5.5	9	0	1.9	1.3	120	0.07	75	22	100	5	N	Y	N	N
CXAR4197	SOP-16P	AB	5	5.5	9	1	1.8	1.3	95	0.07	60	20	95	5	N	Y	N	N
CXAR4198	DIP16/A	AB	5	5.5	9	NA	2	1.3	95	0.07	60	20	95	5	N	Y	N	N
CXAR4199	DIP16/A	AB	5	5.5	9	NA	2	1.3	95	0.07	60	20	95	5	N	Y	N	N
CXAR41100	DIP16/A	AB	3	5.5	9	1.6	2	1.3	95	0.09	60	20	95	5	N	Y	N	N
CXAR41101/A	TSSOP-24P	AB	5	5.5	14	NA	1.9	1.1	90	0.05	60	20	95	5	N	Y	N	N
CXAR41102	TQFN3x3-16	D	2	5.5	3	0	2.3	1.34	NA	0.15	74	100	85	5	N	N	N	N
CXAR41103	SOP-16P	D	3	5.5	8	1.6	2.4	1.4	NA	0.1	55	75	90	20	N	N	N	Y
CXAR41103A	SOP-24 DIP-24 QFN4x4-20A	D	3	5.5	7	1.6	2.2	1.3	60	0.1	70	75	82.5	5	N	Y	A	Y
CXAR41103B	SOP-16 QDN4x4-20A	D	3	5.5	8	1.6	2.4	1.1	NA	0.1	70	75	85	10	N	N	A	Y
CXAR41103C	SSOP24/ QFN4x4-20A	D	3	5.8	8	1.4	2.4	1.7	70	0.1	80	50	92	5	N	Y	A	Y
CXAR41104	SSOP24/P SOP-18 QFN4x4-20A	D	3	5.5	5	1.2	2.3	1.3	NA	0.1	70	80	85	20	N	N	A	Y
CXAR41105	SSOP-24/P	D	3	5.5	5	1.2	2.25	1.3	68	0.06	60	80	78	20	N	Y	A	Y
CXAR41106	TQFN5x5-32	D	8	17	18	1	NA	12	NA	0.07	65	230	NA	20	N	N	N	Y
CXAR41107	TSSOP28P QFN4x4-28	D	8	26	20	0	NA	7	NA	0.1	NA	120	95	15	N	N	P	N
CXAR41107A	TSSOP28P QFN4x4-28	D	8	26	20	0	NA	8	NA	0.1	NA	120	95	15	N	N	P	N
CXAR41108	TSSOP28P QFN4x4-28	D	8	26	20	0	NA	12	0.1	NA	65	120	95	15	N	N	P	N
CXAR41109	QFN5.2 x6.2-32	D	8	17	18	1	NA	14	NA	0.05	65	250	NA	20	N	N	N	Y
CXAR41110	TSSOP28P QFN4x4-28	D	8	26	20	0	NA	15	NA	0.1	65	160	95	15	N	N	P	N
CXAR41111	TSSOP28P QFN4x4-28B	D	5	22	17	0	NA	15	NA	0.05	65	130	95	5	N	N	P	N
CXAR41112	TSSOP28P QFN4x4-28B	D	5	26	17	0	NA	17	NA	0.05	70	120	95	5	N	N	P	N
CXAR41113	TQFN7 x7-48/P	D	9	14	20	NA	NA	7.5	NA	0.2	85	250	85	20	N	N	N	N
CXAR41114/A	SOP8/P MSOP8P	AB	3	5.5	7	0.4	2.3	1.3	NA	0.04	60	28	NA	NA	N	N	N	N

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2.8W Stereo Class-D Audio Power Amplifier CXAR41102 is suitable for battery power appication because its operating voltage is from 2.4V to 5V and has very low shutdown current. The filter-free archite

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