MAX3232E-Q1.HTML

Part: MAX3232E, Texas Instruments

Type: 3-V to 5.5-V Multichannel RS-232 Line Driver and Receiver

Key Specs:

• VCC supply: 3-V to 5.5-V
• Data signaling rate: up to 250 kbit/s
• Supply current: 300 μA (typical)
• External capacitors: 4 × 0.1 μF
• Drivers: Two
• Receivers: Two
• ESD protection (HBM): ±15 kV
• ESD protection (IEC61000-4-2, Contact discharge): ±8 kV
• ESD protection (IEC61000-4-2, Air-gap discharge): ±15 kV

Features:

• ESD protection for RS-232 bus pins
• Meets or exceeds the requirements of TIA/ EIA-232-F and ITU V.28 standards
• Operates with 3-V to 5.5-V VCC supply
• Operates up to 250 kbit/s
• Two drivers and two receivers
• Low supply current: 300 μA (typical)
• External capacitors: 4 × 0.1 μF
• Accepts 5-V logic input with 3.3-V supply
• Pin compatible to alternative high-speed devices (1 Mbit/s)

Applications:

• Industrial PCs
• Wired networking
• Data center and enterprise computing
• Battery-powered systems
• Notebooks
• Palmtop PCs
• Hand-held equipment

Package:

• SOIC (D) (16): 9.90 mm × 3.91 mm
• SSOP (DB) (16): 6.20 mm × 5.30 mm
• SOIC (DW) (16): 10.30 mm × 7.50 mm
• TSSOP (PW) (16): 5.00 mm × 4.40 mm

• ESD protection for RS-232 bus pins
  • ±15 kV (HBM)
  • ±8 kV (IEC61000-4-2, Contact discharge)
  • ±15 kV (IEC61000-4-2, Air-gap discharge)
• Meets or exceeds the requirements of TIA/ EIA-232-F and ITU V.28 standards
• Operates with 3-V to 5.5-V VCC supply
• Operates up to 250 kbit/s
• Two drivers and two receivers
• Low supply current: 300 μA (typical)
• External capacitors: 4 × 0.1 μF
• Accepts 5-V logic input with 3.3-V supply
• Pin compatible to alternative high-speed devices (1 Mbit/s)
  • SN65C3232E (–40°C to +85°C)
  • SN75C3232E (0°C to 70°C)

• Industrial PCs
• Wired networking
• Data center and enterprise computing
• Battery-powered systems
• Notebooks
• Palmtop PCs
• Hand-held equipment

Figure 5-1. D, DW, DB and PW Package, 16-Pin SOIC, SSOP and TSSOP, Top View

Table 5-1. Pin Functions

over recommended ranges of supply voltage and operating free-air temperature (unless otherwise noted) (see Typical Operating Circuit and Capacitor Values).

• (1) Test conditions are C1–C4 = 0.1 μF at VCC = 3.3 V ± 0.3 V; C1 = 0.047 μF, C2–C4 = 0.33 μF at VCC = 5 V ± 0.5 V.
• (2) All typical values are at VCC = 3.3 V or VCC = 5 V, and TA = 25°C.

over operating free-air temperature range (unless otherwise noted)(1)

(2) All voltages are with respect to network GND.

6.2 ESD Ratings

See Typical Operating Circuit and Capacitor Values.

⁽²⁾ JEDEC document JEP157 states that 250-V CDM allows safe manufacturing with a standard ESD control process.