|Category||Analog & Mixed-Signal Processing => Switches & Multiplexers => Analog Switches|
|Description||CSP Low Voltage Dual SPDT Audio Clickless Analog Switch with Headphone/Mute Detection, 2:1 Mux/DeMux Bus Switch
fast single-pole double throw (SPDT) CMOS switch. It can be used as an analog switch or as a low-delay bus switch. Specified over a wide operating power supply voltage, 1.65V to 5.5V, the PI5A4765 has a low On-Resistance of 0.6§Ù @ 2.7V.Break-before-make switching prevents both switches being enabled simultaneously. This eliminates signal disruption during switching. The control input, INX, tolerates input drive signals up to 6.0V, independent of supply voltage.The PI5A4765 offers a headphone & mute detection function through utilization of an on-chip comparator. When the negative terminal of the comparator (COMP-) is less than the threshold (internally set to VCC/3, COMP0 (comparator output) is a logic high. A logic low on COMP0 occurs when COMP- rises above the the threshold.PI5A4765 also offers shunt switches connected to ground in order to dissipate capacitance that builds up on the unconnected NC or NO line. As a result, reduction of popping and clicking sounds is achieved when switching between audio sources.
|Company||Peregrine Semiconductor Corp.|
|Datasheet||Download PI5A4765 datasheet
Low Voltage Dual SPDT Audio Clickless Analog Switch with Headphone/Mute Detection 2:1 Mux/DeMux Bus SwitchFeatures
CMOS Technology for Bus and Analog Applications Low On-Resistance: @ 2.7V. Wide VCC Range: to 5.5V Rail-to-Rail Signal Range Control Input Overvoltage Tolerance: 5.5V min. High Off Isolation: -50dB Crosstalk Rejection Reduces Signal Distortion: -80dB Break-Before-Make Switching Extended Industrial Temperature Range: to 85°C Packaging (Pb-free & Green available): -12-ball CSPDescription
Pericom Semiconductors is a dual high-bandwidth, fast single-pole double throw (SPDT) CMOS switch. It can be used as an analog switch as a low-delay bus switch. Specified over a wide operating power supply voltage, to 5.5V, the PI5A4765 has a low On-Resistance @ 2.7V. Break-before-make switching prevents both switches being enabled simultaneously. This eliminates signal disruption during switching. The control input, INX, tolerates input drive signals to 6.0V, independent of supply voltage. The PI5A4765 offers a headphone & mute detection function through utilization of an on-chip comparator. When the negative terminal of the comparator (COMP-) is less than the threshold (internally set VCC/3, COMP0 (comparator output) is a logic high. A logic low on COMP0 occurs when COMP- rises above the threshold. PI5A4765 also offers shunt switches connected to ground in order to dissipate capacitance that builds up on the unconnected or NO line. As a result, reduction of popping and clicking sounds is achieved when switching between audio sources.Applications
Cell Phones PDAs MP3 players Portable Instrumentation Computer Peripherals Speaker Headset Switching Power Routing Relay Replacement Audio/Video Signal Routing PCMCIA Cards ModemsPin Configuration / Block Diagram (top view) Pin Description
Data Port (Normally open) Positive Power Supply Data Port (Normally closed) Ground Common Output/Data Port Comparator Output Comparator Input Logic ControlLogic Input (INX) 0 1 Note: or 2 Function NCX Connected to COMX NOX Connected to COMX
Low Volt. Dual SPDT Analog Switch 2:1 Mux/DeMux Bus Switch (w/Comparator & Shunt Switches)
Supply Voltage VCC............................................ +7V DC Switch Voltage 0.5V to VCC +0.5V DC Input Voltage +7.0V DC Output Current (VOUT)........................................... 128mA DC VCC or Ground Current (ICC/IGND)....................... ±100mA Storage Temperature Range (TSTG).............. to +150°C Junction Temperature under Bias (TJ).............................150°C Junction Lead Temperature (TL) (Soldering, 10 seconds)................................................260°C Power Dissipation (PD) +85°C.................................. 180mW
Supply Voltage Operating (VCC). to 5.5V Control Input Voltage (VIN). 0V to VCC Switch Input Voltage (VIN). 0V to VCC Output Voltage (VOUT). 0V to VCC Operating Temperature (TA). to +85°C Input Rise and Fall Time (tr,tf) Control Input VCC to 10ns/V Control Input VCC to 5ns/V Thermal Resistance (JA). 350°C/W
Notes: 1. Absolute Maximum Ratings" may cause permanent damage to the device. This is a stress only rating and operation of the device at these or any other conditions beyond those indicated in the operational sections of this specification is not implied. 2. The input and output negative voltage ratings may be exceeded if the inut and output diode current ratings are observed. 3. Control input must be held HIGH or LOW; it must not float.
(VCC TA = TMIN to TMAX, unless otherwise noted. Typical values are at 3V and +25°C.) Test Conditions TA Min. Typ. Max. Units
Analog Signal Range NC On-Resistance NO On-Resistance Match Between Channels NC On-Resistance Flatness NO On-Resistance Flatness Shunt Switch Resistance or NC Off Leakage Current COM On Leakage Current VNO , VNC , VCOM RON(NC) RON(NO) RON RONF(NC) RONF(NO) RSH IOFF (NO) or IOFF (NC) ICOM (ON) VCC = 2.7V, ICOM = 100mA, VNC = 0 toVCC VCC = 2.7V, ICOM = 100mA, VNO 0 to VCC = 2.7V, ICOM = 100mA, VNO or VNC = 1.5V VCC = 2.7V, ICOM = 100mA, VNC 0 to VCC = 2.7V, ICOM = 100mA, VNO 0 to VCC INO or INC = 10mA, VCC = 2.7V VCC = 2.7V, VNC or VNO 0.3V, +2.5V, VCOM +2.5V, 0.3V VCC = 2.7V, VNC or VNO 0.3V, +2.5V, VCOM nA 0.4 VCC V
Input Logic High Input Logic Low IN Input Leakage Current VIH VIL IIN VCC to 3.6V VCC to 5.5V VCC to 3.6V VCC to 5.5V VIN 0 or VCC µA V
Comparator Output High Voltage Comparator Output Low Voltage Comparator Input Leakage Current Comparator Switching Time Comparator Power Supply Range Comparator Threshold ISOURCE = 1mA ISINK = 1mA VCMP- to 2.7V VCC = 2.7V, VCMP- 0V to VCC, from 50% of VCMP- VCMP0 1.8 VCC µS V
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