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APA2068KAI-TRL, APA2121, APA2308

Table of contents:
Info of APA2068KAI-TRL
Info of APA2121
Info of APA2308

APA2068KAI-TRL, APA2121, APA2308 Selling Leads, Datasheet

MFG:ANPEC Package Cooled:2009+ROHS D/C:15000

APA2068KAI-TRL, APA2121, APA2308 Picture

APA2068KAI-TRL, APA2121, APA2308 Datasheet download

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Part Number: APA2068KAI-TRL

MFG: ANPEC

Package Cooled: 2009+ROHS

D/C: 15000

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APA2121 General Description

APA2120/1 is a monolithic integrated circuit, which provides precise DC volume control, and a stereo bridged audio power amplifiers capable of producing 2.7W(2.0W) into 3 with less than 10% (1.0%) THD+N. The attenuator range of the volume control in APA2120/1 is from 20dB (DC_Vol=0V) to -80dB (DC_Vol=3.54V) with 32 steps. The advantage of internal gain setting can be less components and PCB area. Both of the depop circuitry and the thermal shutdown protection circuitry are integrated in APA2120/1, that reduce pops and clicks noise during power up or shutdown mode operation. It also improves the power off pop noise and protects the chip from being destroyed by over temperature and short current failure. To simplify the audio system design, APA2120/1 combines a stereo bridge-tied loads (BTL) mode for speaker drive and a stereo single-end (SE) mode for headphone drive into a single chip, where both modes are easily switched by the SE/BTL input control pin signal. Besides, the multiple input selection is used for portable audio system.

APA2121 Maximum Ratings

Symbol	Parameter	Rating	Unit
V_DD	Supply Voltage	-0.3 to 6	V
V_IN	Input Voltage Range, SE/BTL, HP/LINE, SHUTDOWN, PCBEN	-0.3 to V_DD+0.3	V
T_A	Operating Ambient Temperature Range	-40 to 85
T_J	Maximum Junction Temperature	Internally Limited^*1
T_STG	Storage Temperature Range	-65 to +150
T_S	Soldering Temperature, 10 seconds	260
V_ESD	Electrostatic Discharge	-3000 to 3000^2 -200 to 200^3	V
P_D	Power Dissipation	Internally Limited

Note:
1.APA2120/1 integrated internal thermal shutdown protection when junction temperature ramp up to 150°C
2.Human body model: C=100pF, R=1500, 3 positives pulse plus 3 negative pulses
3.Machine model: C=200pF, L=0.5F, 3 positive pulses plus 3 negative pulses

APA2121 Features

` Low operating current with 14mA
` Improved depop circuitry to eliminate turn-on and turn off transients in outputs
` High PSRR
` 32 steps volume adjustable by DC voltage with hysteresis
` 2W per channel output power into 4 load at 5V, BTL mode
` Two output modes allowable with BTL and SE modes selected by SE/BTL pin
` Low current consumption in shutdown mode (50A)
` Short Circuit Protection
` Power off depop circuit integration
` TSSOP-24 with or without thermal pad package

APA2121 Typical Application

· NoteBook PC
· LCD Monitor or TV

APA2308 General Description

The APA2308 is an integrated class AB stereo headphone driver contained in an SO-8, a DIP-8 or a TSSOP-8 plastic package. The APA2308 is capable of delivering 280mW of max. Output power to an 8 load or 110mW to a 32 load with less than 10% (THD+N) from a 5V power supply. The device is fabricated in a CMOS process and has been primarily developed for portable digital audio applications .

APA2308 Maximum Ratings

Symbol	Parameter	Rating	Unit
V_DD	Supply Voltage Range	7	V
t_SC(O)	Output Short-circuit Duration, at T_A=25°C, P_tot=1W	20	S
T_A	Operating Ambient Temperature range	-40 to 85	°C
T_J	Maximum Junction Temperature	150	°C
T_STG	Storage Temperature Range	-65 to +150	°C
T_S	Soldering Temperature , 10 seconds	260	°C
V_ESD	Electrostatic Discharge	-3000 to 3000 ^*1	V

APA2308 Features

• Operating Voltage
         Single Supply                                       3V to 6V
         Dual Supply                             ±1.5V to ± 3.0V
• High Signal-to-Noise Ratio                             100dB
• Low Distortion                                                -65dB
• Large Output Voltage Swing
• Excellent Power Supply Ripple Rejection
• Low Power Consumption
• Short-circuit Elimination
• Wide Temperature Range
• No Switch ON/OFF Clicks
• Available in 8 pin SOP ,DIP or TSSOP Package

APA2308 Typical Application

• Portable Digital Audio

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