9-2381; Rev 1; 5/04 0.8Ω, Low-Voltage, 4-Channel Analog Multiplexer Features The MAX4734 is a low on-resistance, low-voltage, 4channel CMOS analog multiplexer that operates from a single 1.6V to 3.6V supply. This device has fast switching speeds (tON = 25ns, tOFF = 20ns max), handles rail-to-rail analog signals, and consumes less than 4µW of quiescent power. The MAX4734 has break-beforemake switching. When powered from a 3V supply, the MAX4734 features low 0.8Ω (max) on-resistance (RON), with 0.
MAX4734 0.8Ω, Low-Voltage, 4-Channel Analog Multiplexer ABSOLUTE MAXIMUM RATINGS (Voltages Referenced to GND) V+, A_, EN_ ..............................................................-0.3V to +4V COM, NO_ (Note 1) ......................................-0.3V to (V+ + 0.3V) Continuous Current COM, NO_ ......................................±150mA Continuous Current (all other pins)...................................±20mA Peak Current COM, NO_ (pulsed at 1ms 10% duty cycle)..................................
0.8Ω, Low-Voltage, 4-Channel Analog Multiplexer (V+ = 2.7V to 3.6V, VIH = 1.4V, VIL = 0.5V, TA = TMIN to TMAX, unless otherwise specified. Typical values are at V+ = 3.0V, TA = +25°C.) (Notes 2, 3) PARAMETER SYMBOL CONDITIONS TA MIN TYP MAX 20 25 UNITS SWITCH DYNAMIC CHARACTERISTICS Turn-On Time tON Turn-Off Time tOFF Break-Before-Make (Note 8) Charge Injection tBBM Q VNO_ = 1.5V, RL = 50Ω, CL = 35pF, Figure 1 VNO_ = 1.5V, RL = 50Ω, CL = 35pF, Figure 1 VNO_ = 1.
MAX4734 0.8Ω, Low-Voltage, 4-Channel Analog Multiplexer ELECTRICAL CHARACTERISTICS—Single 1.8V Supply (V+ = 1.8V, VIH = 1.0V, VIL = 0.4V, TA = TMIN to TMAX, unless otherwise specified. Typical values are at TA = +25°C.) (Notes 2, 3) PARAMETER SYMBOL CONDITIONS TA MIN TYP MAX UNITS V+ V ANALOG SWITCH Analog Signal Range On-Resistance VCOM, VNO_ RON 0 ICOM_ = 10mA, VNO_ = 1V +25°C 1.
0.8Ω, Low-Voltage, 4-Channel Analog Multiplexer V+ = 1.8V, TA = -40°C LEAKAGE CURRENT (pA) 2.0 V+ = 1.8V, TA = +25°C V+ = 1.8V V+ = 1.8V, TA = +85°C 1.5 RON (Ω) 1.5 V+ = 3.0V, TA = +85°C 1.0 V+ = 2.5V 1.0 ON, V+ = 3.0V 1000 OFF, V+ = 3.0V 100 OFF, V+ = 1.8V ON, V+ = 1.8V 10 0.5 V+ = 3.0V 0.4 0.8 1.2 1.6 2.0 2.4 2.8 3.2 3.6 0 0.5 1.0 1 1.5 2.0 2.5 CHARGE INJECTION vs. VCOM SUPPLY CURRENT vs. SUPPLY VOLTAGE AND TEMPERATURE 1000 SUPPLY CURRENT (nA) 40 30 V+ = 3.0V 20 V+ = 1.
Typical Operating Characteristics (continued) (TA = +25°C, unless otherwise noted.) 0 0.20 MAX4734 toc09 15 ON-RESPONSE -15 0.16 OFF-ISOLATION -30 V+ = 1.8V VCOM = 1.2VP-P 0.14 THD (%) CROSSTALK -45 RL = 32Ω 0.18 -60 MAX4734 toc10 TOTAL HARMONIC DISTORTION vs. FREQUENCY FREQUENCY RESPONSE LOSS (dB) MAX4734 0.8Ω, Low-Voltage, 4-Channel Analog Multiplexer 0.12 0.10 0.08 -75 0.06 -90 0.04 -105 0.02 -120 V+ = 3.0V VCOM = 2VP-P 0 0.1 0.
0.8Ω, Low-Voltage, 4-Channel Analog Multiplexer The MAX4734 is a low 0.8Ω (max) (at V+ = 2.7V) onresistance, low-voltage, 4-channel CMOS analog multiplexer that operates from a 1.6V to 3.6V single supply. CMOS switch construction allows switching analog signals that range from GND to V+. When powered from a 2.7V supply, the 0.8Ω (max) RON allows high continuous currents to be switched in a variety of applications. Applications Information Proper power-supply sequencing is recommended for all CMOS devices.
0.8Ω, Low-Voltage, 4-Channel Analog Multiplexer MAX4734 Test Circuits/Timing Diagrams (continued) V+ VIH + 0.5V VEN V+ EN LOGIC INPUT VA_ VNO_ NO1–NO4 MAX4734 tR < 5ns tF < 5ns 50% 0V VNO_ A0 VA VIH + 0.5V 90% A1 COM SWITCH OUTPUT VOUT VOUT GND 35pF tBBM 0V RL Figure 2. Break-Before-Make Interval V+ RS V+ NO VEN VS CHANNEL SELECT EN A0 MAX4734 COM VOUT A1 CL = 5nF GND VIH + 0.
0.8Ω, Low-Voltage, 4-Channel Analog Multiplexer V+ 10nF V+ EN VIN V+ NO MAX4734 V+ A NETWORK ANALYZER 50Ω 50Ω VOUT MEAS V OFF-ISOLATION = 20log OUT VREF ON-LOSS = 20log VOUT VREF CROSSTALK = 20log VOUT VREF REF COM GND 50Ω 50Ω NOTES: MEASUREMENTS ARE STANDARDIZED AGAINST SHORTS AT SOCKET TERMINALS. OFF-ISOLATION IS MEASURED BETWEEN COM AND “OFF” TERMINAL ON EACH SWITCH. ON-LOSS IS MEASURED BETWEEN COM AND “ON” TERMINAL ON EACH SWITCH.
Package Information (The package drawing(s) in this data sheet may not reflect the most current specifications. For the latest package outline information, go to www.maxim-ic.com/packages.) 12x16L QFN THIN.EPS MAX4734 0.8Ω, Low-Voltage, 4-Channel Analog Multiplexer D2 0.10 M C A B b D D2/2 D/2 E/2 E2/2 CL (NE - 1) X e E E2 L k e CL (ND - 1) X e CL 0.10 C CL 0.08 C A A2 A1 L L e e PACKAGE OUTLINE 12, 16L, THIN QFN, 3x3x0.
0.8Ω, Low-Voltage, 4-Channel Analog Multiplexer 10LUMAX.EPS e 4X S 10 10 INCHES H 0 0.50±0.1 0.6±0.1 1 1 0.6±0.1 BOTTOM VIEW TOP VIEW D2 MILLIMETERS MAX DIM MIN 0.043 A 0.006 A1 0.002 A2 0.030 0.037 0.120 D1 0.116 0.118 0.114 D2 0.116 0.120 E1 E2 0.114 0.118 H 0.187 0.199 L 0.0157 0.0275 L1 0.037 REF b 0.007 0.0106 e 0.0197 BSC c 0.0035 0.0078 0.0196 REF S α 0° 6° MAX MIN 1.10 0.15 0.05 0.75 0.95 3.05 2.95 3.00 2.89 3.05 2.95 2.89 3.00 4.75 5.05 0.40 0.70 0.940 REF 0.177 0.270 0.500 BSC 0.