MAX232XD
Dual EIA-232 Drivers/ReceiversThe MAX232XD is a dual eia-232 drivers/receivers from Texas Instruments. View the full MAX232XD datasheet below including key specifications, electrical characteristics, absolute maximum ratings.
MAX232XD shares its datasheet with MAX232DR, whose page lists every part number it covers.
Official MAX232XD datasheet (PDF) — the source this page was extracted from.
MAX232XD Key Specifications
| Parameter | Value |
|---|---|
| Data Rate | up to 120 kbit/s |
| Drivers/Receivers | 2 drivers, 2 receivers |
| Interface Standard | TIA/EIA-232-F, ITU V.28 |
| Receiver Threshold | 1.3V typical |
| Receiver Hysteresis | 0.5V typical |
| ESD Protection (HBM) | ±2000V |
| Supply Current (ICC) | 8 mA typical, 10 mA max |
| Supply Voltage (VCC) | 4.5V to 5.5V |
| Charge-Pump Capacitors | 1.0 µF |
| Receiver Input Voltage | ±30V |
| Package Body Size (SOIC-16 D) | 9.90 mm × 3.91 mm |
| Operating Temperature (MAX232) | 0°C to 70°C |
| Operating Temperature (MAX232I) | -40°C to 85°C |
| Thermal Resistance RθJA (SOIC D) | 73 °C/W |
MAX232XD Overview
Part: MAX232D (MAX232 / MAX232I family) — Texas Instruments
Type: Dual TIA/EIA-232-F Driver/Receiver (RS-232 Transceiver) with Integrated Charge Pump
Description: Single 5-V supply (4.5–5.5 V), dual driver/receiver RS-232 transceiver with on-chip charge pump using four 1.0-μF capacitors, up to 120 kbit/s, 8 mA typical supply current, and ±30-V receiver input levels.
Operating Conditions:
- Supply voltage: 4.5–5.5 V
- Operating temperature: 0 to 70 °C (MAX232); -40 to 85 °C (MAX232I)
- Data rate: up to 120 kbit/s
- Driver input levels: VIH ≥ 2 V, VIL ≤ 0.8 V
Absolute Maximum Ratings:
- Max supply voltage (VCC): 6 V
- Positive output supply voltage (VS+): 15 V
- Negative output supply voltage (VS-): -15 V
- Receiver input voltage (R1IN, R2IN): ±30 V
- Operating virtual junction temperature: 150 °C
- Storage temperature: -65 to 150 °C
- ESD (HBM): 2000 V
Key Specs:
- Supply current (ICC): 8 mA typ, 10 mA max (VCC = 5.5 V, outputs open, TA = 25 °C)
- Driver output voltage: VOH 5 V min / 7 V typ; VOL -7 V typ / -5 V max (RL = 3 kΩ to GND)
- Driver short-circuit output current: ±10 mA typ (VCC = 5.5 V, VO = 0 V)
- Driver slew rate: 30 V/μs max (RL = 3 kΩ to 7 kΩ)
- Receiver thresholds (VCC = 5 V, TA = 25 °C): VIT+ 1.7 V typ (2.4 V max); VIT- 1.2 V typ (0.8 V min)
- Receiver hysteresis: 0.2 V min, 0.5 V typ, 1 V max (VCC = 5 V)
- Receiver input resistance: 3 to 7 kΩ (5 kΩ typ) (VCC = 5 V, TA = 25 °C)
- Receiver propagation delay (tPLH/tPHL): 500 ns typ (TTL load)
- Thermal resistance RθJA: 73 °C/W (SOIC D)
Features:
- Meets or exceeds TIA/EIA-232-F and ITU V.28
- Operates from a single 5-V supply with 1.0-μF charge-pump capacitors
- Two drivers and two receivers
- ±30-V receiver input levels
- Driver outputs protected against shorts to ground
- Safe to connect to an active remote RS-232 device when unpowered
- ESD protection exceeds 2000 V HBM (JESD 22 A114-A)
Applications:
- TIA/EIA-232-F interfaces
- Battery-powered systems
- Terminals
- Modems
- Computers
Package:
- SOIC (D), 16 pins, 9.90 mm × 3.91 mm
- SOIC wide (DW), 16 pins, 10.30 mm × 7.50 mm
- PDIP (N), 16 pins, 19.30 mm × 6.35 mm
- SOP (NS), 16 pins, 10.3 mm × 5.30 mm
MAX232XD Features
- 1 · Meets or Exceeds TIA/EIA-232-F and ITU Recommendation V.28
- Operates From a Single 5-V Power Supply With 1.0-μF Charge-Pump Capacitors
- Operates up to 120 kbit/s
- Two Drivers and Two Receivers
- ±30-V Input Levels
- Low Supply Current: 8 mA Typical
- ESD Protection Exceeds JESD 22 -2000-V Human-Body Model (A114-A)
- Upgrade With Improved ESD (15-kV HBM) and 0.1-μF Charge-Pump Capacitors is Available With the MAX202 Device
MAX232XD Applications
- TIA/EIA-232-F
- Battery-Powered Systems
- Terminals
- Modems
- Computers
MAX232XD Pin Configuration
| PIN - NAME | PIN - NO. | TYPE | DESCRIPTION |
|---|---|---|---|
| C1+ | 1 | - | Positive lead of C1 capacitor |
| VS+ | 2 | O | Positive charge pump output for storage capacitor only |
| C1- | 3 | - | Negative lead of C1 capacitor |
| C2+ | 4 | - | Positive lead of C2 capacitor |
| C2- | 5 | - | Negative lead of C2 capacitor |
| VS- | 6 | O | Negative charge pump output for storage capacitor only |
| T2OUT, T1OUT | 7, 14 | O | RS232 line data output (to remote RS232 system) |
| R2IN, R1IN | 8, 13 | I | RS232 line data input (from remote RS232 system) |
| R2OUT, R1OUT | 9, 12 | O | Logic data output (to UART) |
| T2IN, T1IN | 10, 11 | I | Logic data input (from UART) |
| GND | 15 | - | Ground |
| V CC | 16 | - | Supply Voltage, Connect to external 5V power supply |
MAX232XD Electrical Characteristics
over recommended ranges of supply voltage and operating free-air temperature (unless otherwise noted) (see Figure 6)
| PARAMETER | PARAMETER | TEST CONDITIONS (1) | MIN TYP (2) MAX | UNIT | |
|---|---|---|---|---|---|
| I CC | Supply current | V CC = 5.5V, all outputs open, T A = 25°C | 8 | 10 | mA |
MAX232XD Absolute Maximum Ratings
over operating free-air temperature range (unless otherwise noted)
| MIN | MAX | UNIT | |||
|---|---|---|---|---|---|
| V CC | Input Supply voltage range (2) | -0.3 | 6 | V | |
| V S+ | Positive output supply voltage range | V CC - 0.3 | 15 | V | |
| V S- | Negative output supply voltage range | -0.3 | -15 | V | |
| V I | Input voltage range | T1IN, T2IN | -0.3 | V CC + 0.3 | V |
| R1IN, R2IN | ±30 | V | |||
| V O | Output voltage range | T1OUT, T2OUT | V S- - 0.3 | V S+ + 0.3 | V |
| V O | R1OUT, R2OUT | -0.3 | V CC + 0.3 | V | |
| Short-circuit duration | T1OUT, T2OUT | Unlimited | Unlimited | Unlimited | |
| T J | Operating virtual junction temperature | Operating virtual junction temperature | 150 | 150 | °C |
MAX232XD Recommended Operating Conditions
| MIN | MAX | UNIT | |||
|---|---|---|---|---|---|
| V CC | Supply voltage | Supply voltage | 4.5 | 5.5 | V |
| V IH | High-level input voltage (T1IN,T2IN) | High-level input voltage (T1IN,T2IN) | 2 | V | |
| V IL | Low-level input voltage (T1IN, T2IN) | Low-level input voltage (T1IN, T2IN) | 0.8 | V | |
| R1IN, R2IN | Receiver input voltage | Receiver input voltage | ±30 | V | |
| T A | Operating | MAX232 | 0 | 70 | °C |
| T A | Operating | MAX232I | -40 | 85 | °C |
MAX232XD Thermal Information
| THERMAL METRIC (1) | MAX232xD SOIC - 16 PINS | MAX232xDW SOIC wide - 16 PINS | MAX232xN PDIP - 16 PINS | MAX232xNS SOP - 16 PINS | UNIT | |
|---|---|---|---|---|---|---|
| R θ JA | Junction-to-ambient thermal resistance | 73 | 57 | 67 | 64 | °C/W |
MAX232XD Typical Application
For proper operation add capacitors as shown in Figure 6. Pins 9 through 12 connect to UART or general purpose logic lines. EIA-232 lines will connect to a connector or cable.
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These parts have exact links to the same datasheet. They are candidates to compare, not verified drop-in replacements; check package, pinout and electrical limits.
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All Interface ICs datasheetsAll Texas Instruments datasheets (2,418)
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