NLAS4157 SPDT, 1 W RON Switch The NLAS4157 is a low RON SPDT analog switch. This device is designed for low operating voltage, high current switching of speaker output for cell phone applications. It can switch a balanced stereo output. The NLAS4157 can handle a balanced microphone/speaker/ringtone generator in a monophone mode. The device contains a break−before−make (BBM) feature. http://onsemi.com Features • Single Supply Operation: • • • • 1 1.65 V to 5.5 V VCC Function Directly from LiON Battery Tiny SC88 6−Pin Pb−Free Package: Meets JEDEC MO−220 Specifications RON Typical = 0.8 @ VCC = 4.5 V Low Static Power This is a Pb−Free Device SC−88 (SOT−363) CASE 419B MARKING DIAGRAM 6 AN M Typical Applications • Cell Phone Speaker/Microphone Switching • Ringtone−Chip/Amplifier Switching • Stereo Balanced (Push−Pull) Switching 1 AN M = Specific Device Code = Date Code Important Information • • • • Ringtone−Chip/Amplifier Switching Continuous Current Rating Through each Switch ±300 mA Conforms to: JEDEC MO−220, Issue H, Variation VEED−6 Pin for Pin Compatible with FSA4157 PIN ASSIGNMENTS B1 1 6 S GND 2 5 VCC B0 3 4 A (Top View) ORDERING INFORMATION See detailed ordering and shipping information in the package dimensions section on page 8 of this data sheet. © Semiconductor Components Industries, LLC, 2005 July, 2005 − Rev. 2 1 Publication Order Number: NLAS4157/D NLAS4157 A B0 B1 S Figure 1. Input Equivalent Circuit PIN DESCRIPTION TRUTH TABLE Pin Name Description Control Input Function A, B0, B1 Data Ports L B0 Connected to A S Control Input H B1 Connected to A H = HIGH Logic Level. L = LOW Logic Level. MAXIMUM RATINGS Symbol Rating Value Unit −0.5 to +6.0 V −0.5 to VCC +0.5 V −0.5 to +6.0 V VCC Positive DC Supply Voltage VIS Analog Input Voltage (VNO, VNC, or VCOM) VIN Digital Select Input Voltage Ianl1 Continuous DC Current from COM to NC/NO ±300 mA Ianl−pk1 Peak Current from COM to NC/NO, 10 Duty Cycles (Note 1) ±500 mA Iclmp Continuous DC Current into COM/NC/NO with respect to VCC or GND ±100 mA Maximum ratings are those values beyond which device damage can occur. Maximum ratings applied to the device are individual stress limit values (not normal operating conditions) and are not valid simultaneously. If these limits are exceeded, device functional operation is not implied, damage may occur and reliability may be affected. 1. Defined as 10% ON, 90% off duty cycle. RECOMMENDED OPERATING CONDITIONS Symbol Rating Min Max Unit 1.65 5.5 V 0 VCC V VCC Positive DC Supply Voltage VIS Analog Input Voltage (A, B0, B1) VIN Digital Select Input Voltage (S) 0 VCC V TA Operating Temperature Range −40 85 °C tr, tf Input Rise or Fall Time, SELECT 20 10 ns/V VCC = 3.0 V VCC = 5.5 V http://onsemi.com 2 NLAS4157 DC ELECTRICAL CHARACTERISTICS Symbol Parameter VCC (V) Test Conditions TA = +25°C Min Typ TA = −40°C to +85°C Max Min Max HIGH Level Input Voltage 2.7 4.5 VIL LOW Level Input Voltage 2.7 4.5 IIN Input Leakage Current 0 v VIN v 5.5 V 0−5.5 ±0.1 ±1 A IOFF OFF State Leakage Current (Note 7) 0 v A, B v VCC 5.5 −2.0 +2.0 ±20 nA ION ON State Leakage Current (Note 7) 0 v A, B v VCC 5.5 −4.0 +4.0 ±40 nA RON Switch On Resistance (Note 2) IO = −100 mA, B0 or B1 = 3.5 V 2.7 2.0 4.0 4.3 IO = −100 mA, B0 or B1 = 1.5 V 4.5 0.8 1.15 1.3 VIN = VCC or GND, IOUT = 0 5.5 0.5 1.0 On Resistance Match Between Channels (Notes 2, 3, 4) IA = −100 mA, B0 or B1 = 1.5 V IA = −100 mA, B0 or B1 = 3.5 V 2.7 0.15 4.5 0.12 On Resistance Flatness (Notes 2, 3, 5) IA = −100 mA, B0 or B1 = 0 V, 0.75 V, 1.5 V IA = −100 mA, B0 or B1 = 0 V, 1.0 V, 2.0 V 2.7 1.4 4.5 0.3 ICC Quiescent Supply Current All Channels ON or OFF 2.0 2.4 Unit VIH V 0.6 0.8 V A Analog Signal Range RON Rflat 0.15 0.4 2. Measured by the voltage drop between A and B pins at the indicated current through the switch. On Resistance is determined by the lower of the voltages on the two (A or B Ports). 3. Parameter is characterized but not tested in production. 4. DRON = RON max − RON min measured at identical VCC, temperature and voltage levels. 5. Flatness is defined as the difference between the maximum and minimum value of On Resistance over the specified range of conditions. 6. Guaranteed by Design. 7. This parameter is guaranteed by design but not tested. The bus switch contributes no propagation delay other than the RC delay of the On Resistance of the switch and the 50 pF load capacitance, when driven by an ideal voltage source (zero output impedance). http://onsemi.com 3 NLAS4157 AC ELECTRICAL CHARACTERISTICS Symbol Parameter Test Conditions VCC (V) TA = +25°C Min Typ TA = −40°C to +85°C Max Min Max tPHL tPLH Propagation Delay Bus−to−Bus (Note 9) VI = OPEN 2.7 4.5 2.0 0.3 tON Output Enable Time Turn On Time (A to Bn) B0 or B1 = 1.5 V, RL = 50 , CL = 35 pF B0 or B1 = 3.0 V, RL = 50 , CL = 35 pF 2.7 30 35 4.5 20 25 Output Disable Time Turn Off Time (A Port to B Port) B0 or B1 = 1.5V, RL = 50 , CL = 35 pF B0 or B1 = 3.0 V, RL = 50 , CL = 35 pF 2.7 20 25 4.5 15 20 tOFF tBBM Break Before Make Time (Note 8) Q Charge Injection (Note 8) CL = 1.0 nF, VGEN = 0 V RGEN = 0 OIRR Off Isolation (Note 10) Xtalk 2.7 0.5 0.5 4.5 0.5 0.5 Unit Figure # ns 3, 4 ns 3, 4 ns 3, 4 ns 2 2.7 4.5 26 48 pC 6 RL = 50 f = 1.0 MHz 2.7 − 5.5 −52 dB 5 Crosstalk RL = 50 f = 1.0 MHz 2.7 − 5.5 −57 dB 7 BW −3 dB Bandwidth RL = 50 2.7 − 5.5 40 MHz 8 THD Total Harmonic Distortion (Note 8) RL = 600 0.5 VP−P f = 20 Hz to 20 kHz 2.7 − 5.5 0.012 % 9 8. Guaranteed by Design. 9. This parameter is guaranteed by design but not tested. The bus switch contributes no propagation delay other than the RC delay of the On Resistance of the switch and the 50 pF load capacitance, when driven by an ideal voltage source (zero output impedance). 10. Off Isolation = 20 log10 [VA/VBn]. CAPACITANCE (Note 11) Symbol Parameter Test Conditions Typ Max Unit CIN Select Pin Input Capacitance VCC = 0 V, f = 1 MHz 10 pF CIO−B B Port Off Capacitance VCC = 4.5 V, f = 1 MHz 25 pF CIOA−ON A Port Capacitance when Switch is Enabled VCC = 4.5 V, f = 1 MHz 87 pF 11. TA = +25°C, f = 1 MHz, Capacitance is characterized but not tested in production. http://onsemi.com 4 Figure # NLAS4157 VCC DUT VCC Input Output GND VOUT 0.1 F 50 tBMM 35 pF 90% 90% of VOH Output Switch Select Pin GND Figure 2. tBBM (Time Break−Before−Make) VCC Input DUT VCC 0.1 F 50% Output VOUT Open 50% 0V 50 VOH 90% 35 pF 90% Output VOL Input tON tOFF Figure 3. tON/tOFF VCC VCC Input DUT Output 50 50% VOUT Open 50% 0V VOH 35 pF Output 10% VOL Input tOFF Figure 4. tON/tOFF http://onsemi.com 5 10% tON NLAS4157 50 DUT Reference Transmitted Input Output 50 Generator 50 Channel switch control/s test socket is normalized. Off isolation is measured across an off channel. On loss is the bandwidth of an On switch. VISO, Bandwidth and VONL are independent of the input signal direction. ǒVVOUT Ǔ for VIN at 100 kHz IN VOUT Ǔ for VIN at 100 kHz to 50 MHz VONL = On Channel Loss = 20 Log ǒ VIN VISO = Off Channel Isolation = 20 Log Bandwidth (BW) = the frequency 3 dB below VONL VCT = Use VISO setup and test to all other switch analog input/outputs terminated with 50 Figure 5. Off Channel Isolation/On Channel Loss (BW)/Crosstalk (On Channel to Off Channel)/VONL DUT VCC VIN Output Open GND CL Output Off VIN Figure 6. Charge Injection: (Q) http://onsemi.com 6 On Off VOUT NLAS4157 0 0 −10 −2 −20 −4 BW (dB) XT (dB) −30 −40 −50 −6 −8 −60 −10 −70 −80 0.1 1.0 10 100 −12 0.1 1000 1.0 10 FREQUENCY (MHz) 100 1000 FREQUENCY (MHz) Figure 7. Cross Talk vs. Frequency @ VCC = 4.5 V Figure 8. Bandwidth vs. Frequency 0.005 2.5 0.0045 0.004 2 25°C 85°C −40°C 0.003 RON () THD (%) 0.0035 0.0025 0.002 1.5 1 0.0015 0.001 0.5 0.0005 0 10 100 1000 10000 0 0.0 100000 1.0 1.5 2.0 2.5 3.0 FREQUENCY (Hz) VIN (V) Figure 9. Total Harmonic Distortion Figure 10. On−Resistance vs. Input Voltage @ VCC = 2.7 V 1 2.5 0.9 85°C 0.8 2.7 V 2.0 0.7 25°C 0.6 RON () RON () 0.5 −40°C 0.5 0.4 1.5 3.0 V 3.6 V 1.0 0.3 0.2 4.5 V 0.5 0.1 0 0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 0 0.0 4.5 VIN (V) 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 VIN (V) Figure 11. On−Resistance vs. Input Voltage @ VCC = 4.5 V Figure 12. On−Resistance vs. Input Voltage http://onsemi.com 7 5.0 NLAS4157 DEVICE ORDERING INFORMATION Device Nomenclature Device Order Number NLAS4157DFT2G Circuit Indicator Technology Device Function Package Suffix Tape & Reel Suffix NL AS 4157 DFT 2 Package Type Tape & Reel Size† SC−88 (Pb−Free) 3000 / Tape & Reel †For information on tape and reel specifications, including part orientation and tape sizes, please refer to our Tape and Reel Packaging Specifications Brochure, BRD8011/D. http://onsemi.com 8 NLAS4157 PACKAGE DIMENSIONS SC−88/SC70−6/SOT−363 CASE 419B−02 ISSUE V D NOTES: 1. DIMENSIONING AND TOLERANCING PER ANSI Y14.5M, 1982. 2. CONTROLLING DIMENSION: INCH. 3. 419B−01 OBSOLETE, NEW STANDARD 419B−02. e 6 5 4 HE DIM A A1 A3 b C D E e L HE −E− 1 2 3 b 6 PL 0.2 (0.008) M E M MILLIMETERS MIN NOM MAX 0.80 0.95 1.10 0.00 0.05 0.10 0.20 REF 0.10 0.21 0.30 0.10 0.14 0.25 1.80 2.00 2.20 1.15 1.25 1.35 0.65 BSC 0.10 0.20 0.30 2.00 2.10 2.20 A3 C A A1 L SOLDERING FOOTPRINT* 0.50 0.0197 0.65 0.025 0.65 0.025 0.40 0.0157 1.9 0.0748 SCALE 20:1 mm Ǔ ǒinches *For additional information on our Pb−Free strategy and soldering details, please download the ON Semiconductor Soldering and Mounting Techniques Reference Manual, SOLDERRM/D. http://onsemi.com 9 INCHES NOM MAX 0.037 0.043 0.002 0.004 0.008 REF 0.004 0.008 0.012 0.004 0.005 0.010 0.070 0.078 0.086 0.045 0.049 0.053 0.026 BSC 0.004 0.008 0.012 0.078 0.082 0.086 MIN 0.031 0.000 NLAS4157 ON Semiconductor and are registered trademarks of Semiconductor Components Industries, LLC (SCILLC). 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