Leshan Radio Co ., Ltd Dual SPDT Analog Switch with Chip Scale Packaging LR1552 Description Features Wide Power Supply Range:1.65V to 5.5V Low On-Resistance: pole double-throw (SPDT) CMOS switch featuring an On-Resistance of 0.4 ohm at VDD=2.7V and wide RON(NC) = 0.4Ω(VCC=2.7V) power supply range from 1.65V to5.5V. It can be RON(NO) = 0.5Ω(VCC=2.7V) The LR1552 is a Dual Wide-Bandwidth, fast single- used as an analog switch or as a low-delay bus Low On-Resistance Flatness: switch. RONF(NC) = 0.15Ω max (VCC=2.7V) Break-before-make function for both parts eliminates RONF(NO) = 0.25Ω max (VCC=2.7V) signal disruption during switching from preventing Rail-to-Rail Signal Range both switches being enabled simultaneously. High Off-Isolation: -60dB (f=100 kHz) Crosstalk Rejection: -67dB Low Total Harmonic Distortion: 0.05% Lead(Pb) Free CSP-10 Packaging Block Diagram GND NC1 C1 IN1 A1 NC2 C2 A2 IN2 COM1 C3 A3 COM2 NO1 C4 A4 NO2 B1 Applications Wireless Handsets MP3 Players Portable Electronic Devices Relay Replacement PDAs Audio & Video Signal Routing PCMCIA Cards Computer Peripherals Modems B2 VCC Function Table Pin Configuration NC2 IN2 COM2 NO2 A1 A2 A3 A4 INX Function 0 NCX Connected to COMX 1 NOX Connected to COMX B1 C1 NC1 1552 YYMM C2 C3 IN1 COM1 (Top View) ** YY: Year; MM: Month B2 C4 NO1 VCC GND Pin Description Pin Name Type Description VCC PWR Power Supply GND Ground Ground COMx Input/Output Data Port NCx Input/Output Data Port NOx Input/Output Data Port INX Input Logic Control Signal ** X = 1or 2 1/7 Leshan Radio Co ., Ltd ABSOLUTE MAXIMUM RATINGS Parameter Symbol Min Max Units DC Supply Voltage VCC -0.5 7 V DC Switch Voltage VNCX/ VNOX/ VCOMX -0.5 VSUP + 0.3 V DC Input Voltage VINX -0.5 7 V Continuous Current I(NCX/NOX/COMX) -500 +500 mA Peak Current(1) IPEAK(NCX/NOX/COMX) -650 +650 mA Storage Temperature Range TSTG -65 150 ℃ Notes: (1) Pulsed at 1ms, 50% duty circle (2) Stress beyond above listed “Absolute Maximum Ratings” may lead permanent damage to the device. These are stress ratings only and operations of the device at these or any other conditions beyond those indicated in the operational sections of the specifications are not implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability. (3) Control input(V ) must be held HIGH or LOW, and mustn’t be floated. RECOMMENDED OPERATING CONDITIONS DC Supply Voltage (VCC) ……………………………………………….1.65V to 5.5V Switch Input Voltage (VS) ………………………………………………...0V to VCC Control Input Voltage (VIN) ………………………………………………. 0V to VCC Operation Temperature (TA) ……………………………………………..-40℃ to +85℃ Input Rise and Fall Time (tf/tr) ……………………………………………0ns/V to 5ns/V Bump Temperature(Soldering) Infared(15s) ……………………………………………………………+220℃ Vapor Phase(60s) …………………………………………………….+215℃ 2/7 Leshan Radio Co ., Ltd DC ELECTRICAL CHARACTERISTICS ＠ +3V Supply Parameter Symbol Conditions Guaranteed Limit Min. Typ.(1) Max. Unit Analog Switch VNOX/VNCX/ Analog Signal Range NC On-Resistance RON(NC) NO On-Resistance RON(NO) NC On-Resistance Flatness (2) NO On-Resistance Flatness (2) On-Resistance Match Between Channels (3) NC or NO Off Leakage Current COM On Leakage Current VCC V 0.4 0.5 Ω 0.5 0.6 Ω 0.15 Ω 0.25 Ω 0.06 Ω -80 +80 nA -160 160 nA 0 VCOMX RFLAT(NC) RFLAT(NO) △RON VCC = 2.7V; ICOM =100mA ; VNC = 0 to VCC VCC = 2.7V; ICOM =100mA ; VNO= 0 to VCC VCC = 2.7V; ICOM =100mA ; VNC = 0 to VCC VCC = 2.7V; ICOM =100mA ; VNO = 0 to VCC VCC = 2.7V; ICOM =100mA ; VNC IOFF(NC) or VCC = 3.3V; VNO or VNC = 3V, 0.3V; IOFF(NO) VCOM = 0.3V, 3 V ION(COM) 0.01 /VNO=1.5 VCC = 3.3V; VNO or VNC = 3V, 0.3V; VCOM = 0.3V, 3 V or floating Digital I/O Input Voltage High VIH Minimum High Level Input Voltage Input Voltage Low VIL Maximum Low Level Input Voltage Input Hysteresis IH VCC = 3.3V Input Leakage Current IIN VIN = 0 or Vcc 1.3 V 0.6 200 -1 V mV 1 uA Note: (1) Typical characteristics are at +3V supply and +25°C (2) Flatness is defined as the difference between the maximum and minimum value of on resistance as measured over the specified analog signal ranges. (3) △RON= RON(MAX) - RON(MIN), between NC1 and NC2 or between NO1 and NO2. 3/7 Leshan Radio Co ., Ltd DYNAMIC CHARACTERISTICS Parameter Symbol Conditions Guaranteed Limit Min. Typ. (1) Max. Unit AC ELECTRICAL CHARACTERISTICS Turn-On Time tON Turn-Off Time tOFF Break-Before-Make Time tBBM VCC = 2.7V; VNO or VNC = 1.5V, RL = 50Ω; CL = 35pF, Figure1 VCC = 2.7V; VNO or VNC = 1.5V, RL = 50Ω; CL = 35pF, Figure1 VCC = 2.7V; VNO or VNC = 1.5V, RL = 50Ω; CL = 35pF, Figure2 25 60 ns 8 20 ns 22 ns NC OFF Capacitance COFF(NC) f = 1MHz, Figure6 84 pF NO OFF Capacitance COFF(NO) f = 1MHz, Figure6 66 pF NC ON Capacitance CON(NC) f = 1MHz, Figure7 245 pF NO ON Capacitance CON(NO) f = 1MHz, Figure7 235 pF 27 MHz 30 pC -60 dB -67 dB 0.06 % ADDITIONAL APPLICATION CHARACTERISTICS 3dB Bandwidth f3dB Charge Injection Q Figure8 VGEN = 0V; RGEN = 0Ω; CL = 1nF; Figure3 Off Isolation (2) VIso f = 100kHz; RL = 50Ω; CL = 5pF; VCOM = 1 VRMS; Figure4 Crosstalk (3) VCT f = 100kHz; RL = 50Ω; CL = 5pF; VCOM = 1 VRMS; Figure5 Total Harmonic Distortion THD VCC = 3.3V; RL = 32Ω; VIN = 2VP-P; Supply Power Supply Range Maximum Quiescent Supply Current Vcc Icc 1.65 VCC = 5.5V; VIN = VCC or 0 5.5 V 200 nA Note: (1) Typical characteristics are at +3V supply and 25°C (2) Off Channel Isolation = 20log10 [(VNO\NC)/VCOM] (3) Between any two switches 4/7 Leshan Radio Co ., Ltd TEST SETUP CIRCUITS VCC Vin t r = tf < 5ns MOS Switch Nx Vout COM VIH Unused Nx RL CL Logic Input Off On 50% VIL Switch Output R L=50Ω C L = 35pF A Vout 90% 0V Input Logic tOFF tON GND Figure1. AC Test Circuit & Waveforms VCC Vin MOS Switch NC Vout COM VIH NO C L Logic Input RL Off 50% On VIL Vout RL=50Ω C L= 35pF A 90% Vout Switch Output Input Logic tBBM GND Figure2. Break-Before-Make Time (tBBM) VCC R GEN MOS Switch NCx COMx NOx Vout Q = △Vout * CL C L = 1nF V GEN Logic Input VIH Off Switch Output Vout A On VIL △Vout Input Logic GND Figure3. Charge Injection (Q) 5/7 Leshan Radio Co ., Ltd VCC VCC Analyzer 10nF MOS Switch 50 Ω COMx Nx Signal Generator 10nF 50 Ω NC Signal Generator Analyzer RL=50Ω CL= 5pF Input 0V( Test NO ) or VIH ( Test NC ) NO 50 Ω RL CL A RL=50Ω CL= 5pF GND Figure4. Off Isolation (VISO) GND Figure5. Cross Talk (VCT) VCC VCC 10nF COM MOS Switch f = 1 MHz A 10nF COM Capacitance Meter MOS Switch Capacitance Meter f = 1 MHz COMx CL RL A MOS Switch Input 0V or VIH NX A Input 0V or VIH Nx GND GND Figure6. Channel Off Capacitance(COFF(NX)) Figure7. Channel On Capacitance(CON(NX)) VCC 10nF 50 Ω MOS Switch COMx Analyzer Nx 50 Ω Signal Generator A Input 0V or V IH GND Figure8. -3dB Bandwidth (f3dB) 6/7 Leshan Radio Co ., Ltd PACKAGE OUTLINE DIMENSIONS (CSP-10) 7/7