MAX4759 Maxim, MAX4759 Datasheet

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MAX4759

Manufacturer Part Number
MAX4759
Description
The MAX4758/MAX4759 quad double-pole/double-throw (DPDT) analog switches operate from a single +1
Manufacturer
Maxim
Datasheet
The MAX4758/MAX4759 quad double-pole/double-
throw (DPDT) analog switches operate from a single
+1.8V to +5.5V supply. These switches feature low
0.5Ω on-resistance for audio switching and a low 25pF
capacitance for data switching.
The MAX4758 has eight 0.5Ω on-resistance switches to
switch audio signals. The MAX4759 has four 0.5Ω on-
resistance switches to route audio signals and four
25pF capacitance switches to route data signals. The
MAX4758/MAX4759 have four logic inputs to control the
switches in pairs.
The MAX4758/MAX4759 are available in a small 36-pin
(6mm x 6mm) thin QFN and 36-bump (3mm x 3mm)
chip-scale package (UCSP™).
19-3043; Rev 2; 2/05
UCSP is a trademark of Maxim Integrated Products, Inc.
Pin Configurations/Truth Table appear at end of data sheet.
For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at
1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.
Speaker-Headset
Switching
Audio-Signal Routing
Cellular Phones
Quad DPDT Audio/Data Switches in UCSP/QFN
________________________________________________________________ Maxim Integrated Products
General Description
NO1
NC1
NO2
NC2
NO3
NC3
NO4
NC4
NO5
NC5
NO6
NC6
NO7
NC7
NO8
NC8
INC
IND
INA
INB
PDAs/Hand-Held
Devices
Notebook Computers
USB Signal Switching
MAX4758
Applications
AUDIO 1
AUDIO 2
AUDIO 3
AUDIO 4
AUDIO 5
AUDIO 6
AUDIO 7
AUDIO 8
COM1
COM2
COM3
COM4
COM5
COM6
COM7
COM8
♦ Data and Audio Signal Routing
♦ Low On-Resistance (0.5Ω) Audio Switches
♦ 0.2Ω On-Resistance Flatness
♦ 0.1Ω Channel-to-Channel Matching
♦ Low-Capacitance (25pF) Data Switches (MAX4759)
♦ 0.2ns Skew (MAX4759)
♦ 0.03% THD
♦ +1.8V to +5.5V Supply Range
♦ Rail-to-Rail Signal Handling
♦ Tiny 36-Bump UCSP (3mm x 3mm)
♦ 36-Pin Thin QFN (6mm x 6mm)
MAX4758EBX-T -40°C to +85°C 36 U C S P - 36
MAX4758ETX
MAX4759EBX-T -40°C to +85°C 36 U C S P - 36
MAX4759ETX
PART
NO1
NC1
NO2
NC2
NO3
NC3
NO4
NC4
NO5
NC5
NO6
NC6
NO7
NC7
NO8
NC8
INA
INB
INC
IND
-40°C to +85°C 36 Thi n QFN ( 6m m x 6m m )
-40°C to +85°C 36 Thi n QFN ( 6m m x 6m m )
TEMP RANGE PIN-PACKAGE
MAX4759
AUDIO 1
AUDIO 2
AUDIO 3
AUDIO 4
DATA 1
DATA 1
DATA 3
DATA 4
Ordering Information
Functional Diagrams
COM1
COM2
COM3
COM4
COM5
COM6
COM7
COM8
Features
1

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MAX4759 Summary of contents

Page 1

... Rail-to-Rail Signal Handling ♦ Tiny 36-Bump UCSP (3mm x 3mm) ♦ 36-Pin Thin QFN (6mm x 6mm) PART Applications MAX4758EBX-T -40°C to +85° MAX4758ETX MAX4759EBX-T -40°C to +85° MAX4759ETX AUDIO 1 COM1 AUDIO 2 COM2 AUDIO 3 COM3 ...

Page 2

... NO1–NO4, NC1–NC4, COM1–COM4 (MAX4759) (pulsed at 1ms, 10% duty cycle)................................±500mA (pulsed at 1ms, 50% duty cycle)................................±400mA Peak Current NO5–NO8, NC5–NC8, COM5–COM8 (MAX4759) (pulsed at 1ms, 10% duty cycle)................................±200mA (pulsed at 1ms, 50% duty cycle)............................... ±300mA Note 1: Signals on NO_, NC_, COM_ exceeding V+ or GND are clamped by internal diodes. Limit forward-diode current to maximum current rating. Stresses beyond those listed under “ ...

Page 3

... MAX4758, MAX4759 GEN (COM1–COM4 GEN C = 1.0nF, L MAX4759 Figure 5 (COM5–COM8) Signal = 0dBm 5pF 50Ω, MAX4758, MAX4759 L (COM1–COM4) Signal = 0dBm 5pF 50Ω, MAX4759 (COM5–COM8 5pF 50Ω COM f = 100kHz, Figure 5pF 50Ω ...

Page 4

... COM = +25°C.) (Notes MIN TYP MAX 1.8 5.5 MIN MAX +25°C 0. 1.0 MIN MAX = input to off switch. NC_ ON-RESISTANCE vs. V AND TEMPERATURE COM 2 1.8 MAX4758, MAX4759 (N_1–N_4) 1.6 1.4 1.2 1 +85° +25°C 0.8 A 0.6 0.4 0 -40° 3.0 0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 V (V) COM UNITS V µA 4 ...

Page 5

... V (V) COM ON-RESISTANCE vs. V AND TEMPERATURE COM 5 MAX4759 (N_5–N_8 +85° 2.5 3.0 0 0.5 1.0 1.5 2.0 2.5 3.0 V (V) COM CHARGE INJECTION vs. V 160 MAX4758, MAX4759 (N_1–N_4) 140 120 100 (V) COM SUPPLY CURRENT vs. SUPPLY VOLTAGE 4.0 3.5 3.0 2.5 2.0 1.5 1.0 0.5 0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5 ...

Page 6

... TURN-ON/OFF TIMES vs. SUPPLY VOLTAGE 80 MAX4758, MAX4759 (N_1–N_4 OFF 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 SUPPLY VOLTAGE (V) TURN-ON/OFF TIMES vs. TEMPERATURE 70 MAX4758, MAX4759 (N_1–N_4 OFF OFF 0 -40 - TEMPERATURE (°C) ...

Page 7

... MAX4759 (N_5–N_8) INPUT RISE/FALL TIME = 15ns 500 C = 50pF, FIGURE 4.2V 400 300 200 100 0 5.5 -40 - TEMPERATURE (°C) TOTAL HARMONIC DISTORTION vs. FREQUENCY 1 MAX4758, MAX4759 (N_1–N_4 3V 32Ω L 0.1 0.01 0.001 10 100 1k 10k FREQUENCY (Hz) FREQUENCY RESPONSE 20 0 -20 ON-LOSS -40 CROSSTALK -60 -80 -100 -120 MAX4758, MAX4759 (N_1– ...

Page 8

... Quad DPDT Audio/Data Switches in UCSP/QFN PIN MAX4758 MAX4759 THIN THIN UCSP UCSP QFN QFN C3 C3 11, 14, 11, 14, 17, 29, — 17, 29, 32 ...

Page 9

... These switches have four logic inputs to control two switches in pairs. Applications Information Digital Control Inputs The MAX4758/MAX4759 logic inputs accept up to +5.5V regardless of the supply voltage. For example, with a +3.3V supply, IN_ can be driven low to GND and high to +5.5V, which allows mixed logic levels in a sys- tem ...

Page 10

... IN_ GND LOGIC INPUT C INCLUDES FIXTURE AND STRAY CAPACITANCE OUT Figure 2. Switching Time V+ MAX4758 MAX4759 V+ NC_ V N_ COM_ NO_ IN_ LOGIC GND INPUT C INCLUDES FIXTURE AND STRAY CAPACITANCE. L Figure 3. Break-Before-Make Interval 10 ______________________________________________________________________________________ Timing Circuits/Timing Diagrams V+ LOGIC INPUT 0V ...

Page 11

... DELAY DUE TO SWITCH FOR FALLING INPUT AND FALLING OUTPUT SIGNALS CHANGE IN SKEW THROUGH THE SWITCH FOR OUTPUT SIGNALS. skew_o |t | CHANGE IN SKEW THROUGH THE SWITCH FOR INPUT SIGNALS. skew_i Figure 4. Input/Output Skew Timing Diagram MAX4758 MAX4759 R GEN NC_ OR NO_ V GEN GND Figure 5. Charge Injection ______________________________________________________________________________________ Timing Circuits/Timing Diagrams (continued ...

Page 12

... NO7 NC7 NO8 NC8 V OUT OFF-ISOLATION = 20log ✕ OUT ON-LOSS = 20log ✕ OUT CROSSTALK = 20log ✕ *FOR CROSSTALK THIS PIN IS NO2. NC2 AND COM2 ARE OPEN. INTERNAL COM1 SPEAKER EXTERNAL COM2 SPEAKER COM7 SWITCHING DATA SIGNALS COM8 MAX4759 ...

Page 13

... NC2 3 NO3 NO4 INA NO7 NO8 6 INB COM7 COM8 NC3 7 COM3 8 NC7 NC8 NC4 9 ON OFF ON OFF ON OFF ON OFF MAX4758 MAX4759 THIN QFN NOTE: EXPOSED PADDLE CONNECTED TO GND OR FLOATING. NC5 27 26 COM6 25 NC6 24 INC 23 GND 22 IND NC7 21 20 COM7 19 NC8 13 ...

Page 14

... Quad DPDT Audio/Data Switches in UCSP/QFN (The package drawing(s) in this data sheet may not reflect the most current specifications. For the latest package outline information www.maxim-ic.com/packages.) 14 ______________________________________________________________________________________ Package Information ...

Page 15

... Revision History Pages changed at Rev Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product. No circuit patent licenses are implied. Maxim reserves the right to change the circuitry and specifications without notice at any time. ...

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