Shut Mode Audio Click-and-Pop Eliminator

Features

• Wide supply voltage range from 1.7V to 3.6V
• Low quiescent current 1µA
• Adjustable turn off time by SET pin
• Fast turn on time : 100us (typ)
• Low switch resistance : 0.3Ω
• Distortion-Free, Click-and-Pop Elimination
• Available in WLCSP1.42x0.92-6 and DFN2x2-6 Packages
• Lead Free Green Devices Available (RoHS Compliant)

General Description
The APA2192 is an audio click-and-pop eliminator for portable multimedia devices. Operating from a 1.7V to 3. 6V supply, the APA2192 connects to the output of the existing system amplifier and provides a low-impedance path to ground during startup and shutdown. The inputs INL and INR accept voltage swings from V_DD to 5.5V below V_DD. See the Setting the Supply Voltage section for more information. The power-up and power down transients are shunted to ground to prevent clicks and pops from becoming audible. The APA2192 features two low-impedance analog switches controlled by MUTE that opens and closes the switches. The switches are open during normal operation and have no impact on the output signal.During startup and shutdown of the amplifier, the APA2192 can be activated to short the outputs to ground and prevent clicks and pops from pulling current through the headphones.

High-Density, +5.5V Capable DPDT Analog Switches

Features

• Negative Audio and Video Signal Capable

- -0.3V to +5.5V Analog Signal Range Independent from VCC
- On-Resistance 0.2Ω (typ)
- +2.9V to +5.5V Single-Supply Range
- Click-and-Pop Suppression

• Smooth Switch Transition – Break-Before-Make Operation
• Low Supply Current 30µA (typ) at 2.9V

- Can be Powered by a GPIO
- High-Impedance Mode When VCC Not Applied

• ESD Protection on NC_ and NO_

- ±15kV Human Body Model

• WLCSP1.2x1.2-9 (1.2mm x 1.2mm) Package
• 40°C to +85°C Operating Temperature Range

General Description
The APL3157 is a high-density, double-pole/ doublethrow (DPDT) analog switch which allows signals from - 0.3V to +5.5V to pass without distortion even when the power supply is below the signal range. The low RON resistance (0.2Ω) makes the devices ideal for low-distortion switching, such as audio. The APL3157 has internal shunt switches that discharge the audio amplifier AC-coupling capacitance at the normally open (NO1 and NO2) terminals. This feature reduces click-and-pop sounds that occur when switching audio signals between precharged points. The switches are fully specified to operate from a single +2.9V to +5.5V power supply. Because of the low supply current requirement, V_CC can be provided by a GPIO. When the power is not applied, switches go to a high-impedance mode and all analog signal ports can withstand signals from -0.3V to +5.5V. The devices control the switches with a control bit, CB. The APL3157 is available in a 1.2mm x 1.2mm, 0.4mm pitch, 9-bump wafer-level package (WLCSP), and operate over the -4°C to +85°C extended temperature range.

Dual Mode Display Port Interface IC

Features

• V_REF1 support range from 1V to 5.5V
• V_REF2 support range from 1.6V to 5.5V
• Support DP_AUX mode or HDMI_DDC mode select function by SEL pin
• Support bi-directional level translation of DDC signals
• Leakage current between V_REF1 and V_REF2 limited to 100nA
• Built in V_REF1 and V_REF2 Back-drive Protection
• Build in Transient help for AUX2B+/- to V_REF2 pull up voltage
• Support 2Mbs in DP AUX mode, 100kHz in HDMI_DDC mode
• Support with Display Port 2.0
• Support with HDMI 2.1
• VTQFN 2x2-12 Package

General Description
APL3585 is a data selector with a built-in level shifter, which can be used for graphics cards, and can choose between HDMI DDC MODE and DP_AUX MODE through the SEL pin. APL3585 has a transient help function in the HDMI DDC MODE, which can meet the I2C rising specifications to help data transmission without distortion. APL3585 integrates the signal selection application circuit of the Graphics Card, which can reduce the cost and space of the Graphics Card.

Dual Mode Display Port Interface IC

Features

• V_REF1 support range from 1V to 5.5V
• V_REF2 support range from 1.6V to 5.5V
• Support DP_AUX mode or HDMI_DDC mode select function by SEL pin
• Support bi-directional level translation of DDC signals
• Leakage current between V_REF1 and V_REF2 limited to 100nA
• Built in V_REF1 and V_REF2 Back-drive Protection
• Build in Transient help for AUX2B+/- to V_REF2 pull up voltage
• Support 2Mbs in DP AUX mode, 100kHz in HDMI_DDC mode
• Support with Display Port 2.0
• Support with HDMI 2.1
• VTQFN 2x2-12 Package

General Description
APL3585A is a data selector with a built-in level shifter, which can be used for graphics cards, and can choose between HDMI DDC MODE and DP_AUX MODE through the SEL pin. APL3585A has a transient help function in the HDMI DDC MODE, which can meet the I2C rising specifications to help data transmission without distortion. APL3585A integrates the signal selection application circuit of the Graphics Card, which can reduce the cost and space of the Graphics Card.