2 layers189.5 × 204.9 mm
SmartSpin2k Panelized
doudar/SmartSpin2k
Transform your spin bike into a Smart Trainer!
749 parts292GPL-2.0
Overview
The MAX3232ID is a RS232 IC made by Texas Instruments in a SOIC-16 package with 16 pins. -40℃~+85℃ 2 2 250Kbps 300uA 3V~5.5V Short-Circuit Protection Transceiver Yes ±15kV SOIC-16 RS232 ICs ROHS.
PCBKit's library has its KiCad symbol (Interface_UART:MAX3232, from KiCad's library) and its footprint (Package_SO:SOIC-16_3.9x9.9mm_P1.27mm, from KiCad's library), ready for a KiCad board. JLCPCB lists it (part C18261). 186 open-source boards in 154 repositories on GitHub use it.
Symbol
Footprint
From the datasheet
13- Supply, least
- 3 V · VCC, recommended operating minimum, 3.3 V operation · p. 4
- Supply, most
- 3.6 V · VCC, recommended operating maximum, 3.3 V operation · p. 4
- Supply, least
- 4.5 V · VCC, recommended operating minimum, 5 V operation · p. 4
- Supply, most
- 5.5 V · VCC, recommended operating maximum, 5 V operation · p. 4
- Supply, absolute maximum
- 6 V · VCC, absolute maximum · p. 4
- Works from
- -40 °C · Operating free-air temperature minimum, MAX3232I · p. 4
- Works up to
- 85 °C · Operating free-air temperature maximum, MAX3232I · p. 4
- Junction, hottest
- 150 °C · Operating virtual junction temperature maximum · p. 4
- Takes working
- 300 µA · VCC supply current typical, no load, VCC = 3.3 V to 5 V · p. 5
- Junction to air (SOIC (D))
- 85.9 K/W · Junction-to-ambient thermal resistance · p. 5
- Junction to case (SOIC (D))
- 43.1 K/W · Junction-to-case (top) thermal resistance · p. 5
- Junction to board (SOIC (D))
- 44.5 K/W · Junction-to-board thermal resistance · p. 5
- Data rate, most
- 250 kbit/s · Maximum data rate typical, RL = 3 kΩ, CL = 1000 pF, one DOUT switching · p. 6
What it is and has
5- Drivers and receivers
- Two drivers and two receivers · p. 1
- Data rate
- Up to 250 kbit/s · p. 1
- External capacitors
- 4 × 0.1 μF · p. 1
- Logic input compatibility
- Accepts 5-V logic input with 3.3-V supply · p. 1
- Protection
- Outputs protected against shorts to ground · p. 9
Specifications
44| Parameter | Conditions | As printed | Page |
|---|---|---|---|
| Supply voltage range(2) VCC | min -0.3 · max 6 V | 4 | |
| Positive output supply voltage range(2) V+ | min -0.3 · max 7 V | 4 | |
| Negative output supply voltage range(2) V– | min -7 · max 0.3 V | 4 | |
| Supply voltage difference(2) V+ – V– | max 13 V | 4 | |
| Input voltage range VI | Drivers | min -0.3 · max 6 V | 4 |
| Input voltage range VI | Receivers | min -25 · max 25 V | 4 |
| Output voltage range VO | Drivers | min -13.2 · max 13.2 V | 4 |
| Output voltage range VO | Receivers | min -0.3 V | 4 |
| Operating virtual junction temperature TJ | max 150 °C | 4 | |
| Storage temperature range Tstg | min -65 · max 150 °C | 4 | |
| Electrostatic discharge V(ESD) | Human body model (HBM), per ANSI/ESDA/JEDEC JS-001; RIN, DOUT, and GND pins | max 15000 V | 4 |
| Electrostatic discharge V(ESD) | Human body model (HBM), per ANSI/ESDA/JEDEC JS-001; all other pins | max 3000 V | 4 |
| Electrostatic discharge V(ESD) | Charged device model (CDM), per JEDEC specification JESD22-C101, all pins | max 1000 V | 4 |
| Supply voltage VCC | VCC = 3.3 V; nominal 3.3 V | min 3 · max 3.6 V | 4 |
| Supply voltage VCC | VCC = 5 V; nominal 5 V | min 4.5 · max 5.5 V | 4 |
| Driver high-level input voltage VIH | DIN, VCC = 3.3 V | min 2 V | 4 |
| Driver high-level input voltage VIH | DIN, VCC = 5 V | min 2.4 V | 4 |
| Driver low-level input voltage VIL | DIN | max 0.8 V | 4 |
| Driver input voltage VI | DIN | min 0 · max 5.5 V | 4 |
| Receiver input voltage VI | RIN | min -25 · max 25 V | 4 |
| Operating free-air temperature TA | MAX3232I | min -40 · max 85 °C | 4 |
| Junction-to-ambient thermal resistance RθJA | SOIC (D), 16 pins | typ 85.9 °C/W | 5 |
| Junction-to-case (top) thermal resistance RθJC(top) | SOIC (D), 16 pins | typ 43.1 °C/W | 5 |
| Junction-to-board thermal resistance RθJB | SOIC (D), 16 pins | typ 44.5 °C/W | 5 |
| Junction-to-top characterization parameter ψJT | SOIC (D), 16 pins | typ 10.1 °C/W | 5 |
| Junction-to-board characterization parameter ψJB | SOIC (D), 16 pins | typ 44.1 °C/W | 5 |
| Supply current ICC | No load, VCC = 3.3 V to 5 V | typ 0.3 · max 1 mA | 5 |
| High-level output voltage VOH | DOUT at RL = 3 kΩ to GND, DIN = GND | min 5 · typ 5.4 V | 5 |
| Low-level output voltage VOL | DOUT at RL = 3 kΩ to GND, DIN = VCC | min -5 · typ -5.4 V | 5 |
| Output resistance rO | VCC, V+, and V– = 0 V; VO = ±2 V | min 300 Ω | 5 |
| Low-level output voltage VOL | IOL = 1.6 mA | max 0.4 V | 6 |
| Positive-going input threshold voltage VIT+ | VCC = 3.3 V | typ 1.5 · max 2.4 V | 6 |
| Positive-going input threshold voltage VIT+ | VCC = 5 V | typ 1.8 · max 2.4 V | 6 |
| Negative-going input threshold voltage VIT– | VCC = 3.3 V | min 0.6 · typ 1.2 V | 6 |
| Negative-going input threshold voltage VIT– | VCC = 5 V | min 0.8 · typ 1.5 V | 6 |
| Input hysteresis (VIT+ – VIT–) Vhys | typ 0.3 V | 6 | |
| Input resistance rI | VI = ±3 V to ±25 V | min 3 · typ 5 · max 7 kΩ | 6 |
| Maximum data rate | RL = 3 kΩ, CL = 1000 pF, one DOUT switching; see Figure 7-1 | min 150 · typ 250 kbit/s | 6 |
| Driver Pulse skew(2) tsk(p) | RL = 3 kΩ to 7 kΩ, CL = 150 to 2500 pF; see Figure 7-2 | typ 300 ns | 6 |
| Slew rate, transition region (see Figure 7-1) SR(tr) | RL = 3 kΩ to 7 kΩ, CL = 150 to 1000 pF | min 6 · max 30 V/us | 6 |
| Slew rate, transition region (see Figure 7-1) SR(tr) | RL = 3 kΩ to 7 kΩ, VCC = 5 V, CL = 150 to 2500 pF | min 4 · max 30 V/us | 6 |
| Propagation delay time, low- to high-level output tPLH®) | CL = 150 pF | typ 300 ns | 6 |
| Propagation delay time, high- to low-level output tPHL®) | CL = 150 pF | typ 300 ns | 6 |
| Receiver Pulse skew(3) tsk(p) | CL = 150 pF | typ 300 ns | 6 |
Pins, by the datasheet
16- 1 C1+
- Positive lead of C1 capacitor. · p. 3
- 2 V+
- Positive charge pump output for storage capacitor only. · p. 3
- 3 C1–
- Negative lead of C1 capacitor. · p. 3
- 4 C2+
- Positive lead of C2 capacitor. · p. 3
- 5 C2–
- Negative lead of C2 capacitor. · p. 3
- 6 V–
- Negative charge pump output for storage capacitor only. · p. 3
- 7 DOUT2
- RS232 line data output to remote RS232 system. · p. 3
- 8 RIN2
- RS232 line data input from remote RS232 system. · p. 3
- 9 ROUT2
- Logic data output to UART. · p. 3
- 10 DIN2
- Logic data input from UART. · p. 3
- 11 DIN1
- Logic data input from UART. · p. 3
- 12 ROUT1
- Logic data output to UART. · p. 3
- 13 RIN1
- RS232 line data input from remote RS232 system. · p. 3
- 14 DOUT1
- RS232 line data output to remote RS232 system. · p. 3
- 15 GND
- Ground. · p. 3
- 16 VCC
- Connect to external 3 V to 5.5 V power supply. · p. 3
Ordering codes, by the datasheet
29- MAX3232CD
- SOIC (D) · 0 to 70 °C; obsolete · p. 15
- MAX3232CDB
- SSOP (DB) · 0 to 70 °C; obsolete · p. 15
- MAX3232CDBR
- SSOP (DB) · 0 to 70 °C; 2000, LARGE T&R · p. 15
- MAX3232CDBR.A
- SSOP (DB) · 0 to 70 °C; 2000, LARGE T&R · p. 15
- MAX3232CDR
- SOIC (D) · 0 to 70 °C; 2500, LARGE T&R · p. 15
- MAX3232CDR.A
- SOIC (D) · 0 to 70 °C; 2500, LARGE T&R · p. 15
- MAX3232CDR1G4
- SOIC (D) · -40 to 85 °C as listed; 2500, LARGE T&R · p. 15
- MAX3232CDR1G4.A
- SOIC (D) · -40 to 85 °C as listed; 2500, LARGE T&R · p. 15
- MAX3232CDW
- SOIC (DW) · 0 to 70 °C; obsolete · p. 15
- MAX3232CDWR
- SOIC (DW) · 0 to 70 °C; obsolete · p. 15
- MAX3232CPW
- TSSOP (PW) · 0 to 70 °C; obsolete · p. 15
- MAX3232CPWR
- TSSOP (PW) · 0 to 70 °C; 2000, LARGE T&R; NIPDAU | SN · p. 15
- MAX3232CPWR.A
- TSSOP (PW) · 0 to 70 °C; 2000, LARGE T&R; NIPDAU · p. 15
- MAX3232CPWRE4
- TSSOP (PW) · 0 to 70 °C; 2000, LARGE T&R · p. 15
- MAX3232CPWRG4
- TSSOP (PW) · 0 to 70 °C; 2000, LARGE T&R · p. 15
- MAX3232CPWRG4.A
- TSSOP (PW) · 0 to 70 °C; 2000, LARGE T&R · p. 15
- MAX3232IDBR
- SSOP (DB) · -40 to 85 °C; 2000, LARGE T&R · p. 15
- MAX3232IDBR.A
- SSOP (DB) · -40 to 85 °C; 2000, LARGE T&R · p. 15
- MAX3232IDBRE4
- SSOP (DB) · -40 to 85 °C; 2000, LARGE T&R · p. 15
- MAX3232IDRG4
- SOIC (D) · -40 to 85 °C; obsolete · p. 15
- MAX3232IDW
- SOIC (DW) · -40 to 85 °C; obsolete · p. 15
- MAX3232IDWR
- SOIC (DW) · -40 to 85 °C; 2000, LARGE T&R; NIPDAU | SN · p. 15
- MAX3232IDWR.B
- SOIC (DW) · -40 to 85 °C; 2000, LARGE T&R; NIPDAU · p. 15
- MAX3232IDWRG4
- SOIC (DW) · -40 to 85 °C; obsolete · p. 15
- MAX3232IPWR
- TSSOP (PW) · -40 to 85 °C; 2000, LARGE T&R; NIPDAU | SN · p. 15
- MAX3232IPWR.A
- TSSOP (PW) · -40 to 85 °C; 2000, LARGE T&R; NIPDAU · p. 15
- MAX3232IPWRE4
- TSSOP (PW) · -40 to 85 °C; 2000, LARGE T&R · p. 15
- MAX3232IPWRG4
- TSSOP (PW) · -40 to 85 °C; 2000, LARGE T&R · p. 15
- MAX3232IPWRG4.A
- TSSOP (PW) · -40 to 85 °C; 2000, LARGE T&R · p. 15
Parameters
16- Current - Supply
- 300uA
- Data Rate
- 250kbps
- ESD Protect
- ±15kV
- Features
- Short-Circuit Protection
- Junction Temperature(Max)
- 150℃
- Number of Drivers
- 2
- Number of Receivers
- 2
- Operating Temperature
- -40℃~+85℃
- Quiescent Supply Current
- 300uA
- Thermal Resistance(Junction to Ambient)
- 85.9℃/W
- Thermal Resistance(Junction to Board)
- 44.5℃/W
- Thermal Resistance(Junction to Case)
- 43.1℃/W
- Type
- Transceiver
- Voltage - Supply
- 3V~5.5V
- Voltage - Supply(Absolute Max)
- 6V
- charge pump
- Yes
Order codes
3- MAX3232IDRLCSC C18261
- MAX3232IDLCSC C354119
- MAX3232IDRG4LCSC C354120
Pinout
16| Pin | Name | Type |
|---|---|---|
| 1 | C1+ | Passive |
| 2 | VS+ | Power out |
| 3 | C1- | Passive |
| 4 | C2+ | Passive |
| 5 | C2- | Passive |
| 6 | VS- | Power out |
| 7 | T2OUT | Output |
| 8 | R2IN | Input |
| 9 | R2OUT | Output |
| 10 | T2IN | Input |
| 11 | T1IN | Input |
| 12 | R1OUT | Output |
| 13 | R1IN | Input |
| 14 | T1OUT | Output |
| 15 | GND | Power in |
| 16 | VCC | Power in |
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Show this part on your page
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Is there a KiCad symbol and footprint for the MAX3232ID?
Yes. The symbol is Interface_UART:MAX3232 and the footprint Package_SO:SOIC-16_3.9x9.9mm_P1.27mm, both drawn on this page. PCBKit places them on a board for you when you design with it.
What package is the MAX3232ID?
SOIC-16, with 16 pins. Its footprint is drawn on this page.
Where is the MAX3232ID datasheet?
Texas Instruments publishes it: the Datasheet link on this page opens it.
Where can I order the MAX3232ID?
JLCPCB lists it as part C18261, with 0 in stock; the sellers' links on this page open their listings.
What can replace the MAX3232ID?
Parts like it in the library: the SP3232EEN-L/TR by MaxLinear, the SP3232EEN(UMW) by UMW, the MAX3232EID by Texas Instruments and the MAX3232ESE(UMW) by UMW. Check their datasheets: a part that fits the footprint may still differ in its ratings.
Which open-source boards use the MAX3232ID?
186 boards in 154 repositories on GitHub; the most starred are listed on this page, with their KiCad files.
Parts like it
8
SP3232EEN-L/TR
SOIC-16-40℃~+85℃ 2 2 235Kbps 3V~5.5V Transceiver SOIC-16 RS232 ICs ROHSMaxLinearRS232 ICsSP3232EEN(UMW)
SOP-16-40℃~+105℃ 2 2 250Kbps 3V~5.5V 3mA Transceiver Yes ±8kV SOP-16 RS232 ICs ROHSUMWRS232 ICsMAX3232EID
SOIC-16-40℃~+85℃ 0.3mA 2 2 250Kbps 3V~5.5V Transceiver Yes ±15kV SOIC-16 RS232 ICs ROHSTexas InstrumentsRS232 ICsMAX3232ESE(UMW)
SOP-16-40℃~+105℃ 1mA 2 2 250Kbps 3V~3.6V、4.5V~5.5V Transceiver Yes ±8kV SOP-16 RS232 ICs ROHSUMWRS232 ICsSP232EEN-L/TR
SOIC-16-40℃~+85℃ 2 2 240Kbps 4.5V~5.5V Transceiver Yes ±15kV SOIC-16 RS232 ICs ROHSMaxLinearRS232 ICsUT3232G-S16-R
SOP-162 2 250Kbps 3V~5.5V Transceiver SOP-16 RS232 ICs ROHSUTCRS232 ICsMAX3232CD
SOIC-160.3mA 0℃~+70℃ 2 2 250Kbps 3.3V~5.5V Transceiver Yes ±15kV SOP-16-150mil RS232 ICs ROHSTexas InstrumentsRS232 ICsGM3232ESA
SOP-16-40℃~+85℃ 0.3mA 2 2 3V~3.6V、4.5V~5.5V 500Kbps Transceiver Yes ±15kV SOP-16 RS232 ICs ROHSGATEMODERS232 ICs