ISL54059

Negative Signal Swing, Sub-ohm, Dual SPDT Single Supply Switch

OVERVIEW

The Intersil ISL54059 device is a low ON-resistance, low voltage, bi-directional, dual single-pole/double-throw (SPDT) analog switch. It is designed to operate from a single +1.8V to +6.5V supply and pass signals that swing down to 6.5V below the positive supply rail. Targeted applications include battery powered equipment that benefit from low rON (0.56Ω), low power consumption (8nA) and fast switching speeds (tON = 55ns, tOFF = 18ns). The digital inputs are 1.8V logic-compatible up to a +3V supply. The ISL54059 is offered in a small form factor package, alleviating board space limitations. It is available in a tiny 10 Ld 1.8x1.4mm µTQFN or 10 Ld 3x3mm TDFN package.

The ISL54059 is a committed dual single-pole/double-throw (SPDT) that consists of two normally open (NO) and two normally closed (NC) switches with independent logic control. This configuration can be used as a dual 2-to-1 multiplexer.

KEY FEATURES

  • Pb-Free (RoHS Compliant)
  • Negative Signal Swing (Max 6.5V Below V+)
  • ON-Resistance (rON)
  • V+ = +4.5V: 0.52Ω
  • V+ = +4.3V: 0.65Ω
  • V+ = +2.7V: 0.9Ω
  • V+ = +1.8V: 1.8Ω
  • rON Matching Between Channels: 10mΩ
  • rON Flatness Across Signal Range: 0.33Ω
  • Low THD+N @ 32Ω Load: 0.02%
  • Single Supply Operation: +1.8V to +6.5V
  • Low Power Consumption @ 3V (PD): 24nW
  • Fast Switching Action (V+ = +4.3V)
  • tON: 43ns
  • tOFF: 23ns
  • ESD HBM Rating: >6kV
  • Guaranteed Break-before-Make
  • 1.8V Logic Compatible (+3V supply)
  • Low I+ Current when VINH is not at the V+ Rail
  • Available in 10 Ld µTQFN 1.8x1.4mm and 10 Ld 3x3mm TDFN

BLOCK DIAGRAM

 Block Diagram

PARAMETRICS

Parameters
ISL54059
Basic Information
Production Status
Mass Production
# of Devices/ Channels
2
Switch or MUX
Switch/MUX
Configuration
MIX
Type of Switch
SPDT
RDS(ON)
0.52 Ω
Leakage
8.13 nA
Source Cap (pf)
36
IS
0.1 µA
VCC (Single) (min) (V)
1.8
VCC (Single) (max) (V)
6.5
Qualification Level
Standard
TON (ns)
43
TOFF (ns)
23
Charge Injection (pC)
170
Drain Capacitance
100 pF
Supply Voltage Vcc Range (V)
+1.8 to +6.5
Can Sample
YES
Temperature Range
-40 to +85

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