INA4181A3IPW

Texas Instruments

-200mV~26V -40℃~+125℃ 100V/V 100dB 150kHz 1uV/℃ 2.7V~5.5V 25uV 2V/us 4 40nV/√Hz@1kHz 690uA 6uA 8mA Bidirectional detection、Programmable output reference level、Analog output interface、Enable/shutdown function ±26V TSSOP-20 Current Sense Amplifiers ROHS

Extended

Datasheetti/INA4181A3IPW

Category: Current Sense Amplifiers
Package: TSSOP-20
Pins: 20

Overview

The INA4181A3IPW is a current Sense Amplifier made by Texas Instruments in a TSSOP-20 package with 20 pins. -200mV~26V -40℃~+125℃ 100V/V 100dB 150kHz 1uV/℃ 2.7V~5.5V 25uV 2V/us 4 40nV/√Hz@1kHz 690uA 6uA 8mA Bidirectional detection、Programmable output reference level、Analog output interface、Enable/shutdown function ±26V TSSOP-20 Current Sense Amplifiers ROHS.

PCBKit's library has its KiCad symbol (EasyEDA_Cloud:INA4181A3IPWR, from EasyEDA) and its footprint (Package_SO:TSSOP-20_4.4x6.5mm_P0.65mm, from KiCad's library), ready for a KiCad board. 28 are in stock at JLCPCB (part C2868580).

Symbol

EasyEDA_Cloud:INA4181A3IPWRFrom EasyEDA

Footprint

Package_SO:TSSOP-20_4.4x6.5mm_P0.65mmFrom KiCad's library

From the datasheet

Supply, least: 2.7 V · VS, recommended operating min · p. 7
Supply, most: 5.5 V · VS, recommended operating max · p. 7
Supply, absolute maximum: 6 V · VS, absolute maximum · p. 7
Works from: -40 °C · Operating free-air temperature min · p. 7
Works up to: 125 °C · Operating free-air temperature max · p. 7
Junction, hottest: 150 °C · Junction temperature absolute max · p. 7
A pin gives at most: 8 mA · IOUT, absolute maximum output current · p. 7
Takes working: 690 µA · INA4181 quiescent current typical, VSENSE = 0 mV, 25°C · p. 8
Takes at most: 1 mA · INA4181 quiescent current max, VSENSE = 0 mV, –40°C to +125°C · p. 8
Junction to air (PW (TSSOP)): 97 K/W · Junction-to-ambient thermal resistance typical · p. 7
Junction to case (PW (TSSOP)): 37.7 K/W · Junction-to-case top thermal resistance typical · p. 7
Junction to board (PW (TSSOP)): 48.3 K/W · Junction-to-board thermal resistance typical · p. 7

What it is and has

Common-mode range: –0.2 V to +26 V · p. 1
Current sensing: Bidirectional · p. 1
Gain: 100 V/V · p. 1
Channels: 4 · p. 1
Package: PW (TSSOP, 20), 6.50 mm × 6.40 mm · p. 1

Specifications

Parameter	Conditions	As printed	Page
Supply voltage, VS VS		max 6 V	7
Analog inputs, IN+, IN–	Differential (VIN+) – (VIN–)	min -26 · max 26 V	7
Analog inputs, IN+, IN–	Common-mode; minimum GND – 0.3 V	max 26 V	7
Maximum output current, IOUT IOUT		max 8 mA	7
Operating fee-air temperature, TA TA		min -55 · max 150 °C	7
Junction temperature, TJ TJ		max 150 °C	7
Storage temperature, Tstg Tstg		min -65 · max 150 °C	7
Electrostatic discharge V(ESD)	Human-body model (HBM), per ANSI/ESDA/JEDEC JS-001; ±3000 V rating	max 3000 V	7
Electrostatic discharge V(ESD)	Charged-device model (CDM), per JEDEC specification JESD22-C101; ±1000 V rating	max 1000 V	7
Common-mode input voltage (IN+ and IN–) VCM	NOM column reported as typ	min -0.2 · typ 12 · max 26 V	7
Operating supply voltage VS	NOM column reported as typ	min 2.7 · typ 5 · max 5.5 V	7
Operating free-air temperature TA		min -40 · max 125 °C	7
Junction-to-ambient thermal resistance RθJA	INA4181, PW (TSSOP)	typ 97 °C/W	7
Junction-to-case (top) thermal resistance RθJC(top)	INA4181, PW (TSSOP)	typ 37.7 °C/W	7
Junction-to-board thermal resistance RθJB	INA4181, PW (TSSOP)	typ 48.3 °C/W	7
Junction-to-top characterization parameter ψJT	INA4181, PW (TSSOP)	typ 3.6 °C/W	7
Junction-to-board characterization parameter ψJB	INA4181, PW (TSSOP)	typ 47.9 °C/W	7
Common-mode rejection ratio, RTI CMRR	VIN+ = 0 V to 26 V, VSENSE = 0 mV, TA = –40°C to +125°C	min 84 · typ 100 dB	8
Offset voltage, RTI VOS	VSENSE = 0 mV, VIN+ = 0 V; values are ±	typ 25 · max 150 uV	8
Offset voltage, RTI VOS	VSENSE = 0 mV; values are ±	typ 100 · max 500 uV	8
Offset drift, RTI dVOS/dT	VSENSE = 0 mV, TA = –40°C to +125°C	typ 0.2 · max 1 uV/°C	8
RTI vs power supply ratio PSRR	VS = 2.7 V to 5.5 V, VIN+ = 12 V, VSENSE = 0 mV; values are ±	typ 8 · max 40 uV/V	8
Input bias current IIB	VSENSE = 0 mV, VIN+ = 0 V	typ -6 uA	8
Input bias current IIB	VSENSE = 0 mV	typ 75 uA	8
Input offset current IIO	VSENSE = 0 mV; value is ±	typ 0.05 uA	8
Gain G	A3 devices	typ 100 V/V	8
Gain error EG	VOUT = 0.5 V to VS – 0.5 V, TA = –40°C to +125°C; values are ±	typ 0.1 · max 1 %	8
Gain error vs temperature	TA = –40°C to +125°C	typ 1.5 · max 20 ppm/°C	8
Nonlinearity error	VOUT = 0.5 V to VS – 0.5 V; value is ±	typ 0.01 %	8
Maximum capacitive load	No sustained oscillation	typ 1 nF	8
Bandwidth BW	A3 devices, CLOAD = 10 pF	typ 150 kHz	8
Slew rate SR		typ 2 V/us	8
Voltage noise density	RTI	typ 40 nV/√Hz	8
Quiescent current IQ	INA4181, VSENSE = 0 mV	typ 690 · max 900 uA	8
Quiescent current IQ	INA4181, VSENSE = 0 mV, TA = –40°C to +125°C	max 1000 uA	8

Pins, by the datasheet

15 IN+3: Channel 3 positive input; connect to bus-voltage side of sense resistor for high-side sensing or load side for low-side sensing. · p. 6
18 IN–4: Channel 4 negative input; connect to load side of sense resistor for high-side sensing or ground side for low-side sensing. · p. 6
17 IN+4: Channel 4 positive input; connect to bus-voltage side of sense resistor for high-side sensing or load side for low-side sensing. · p. 6
10 NC: No internal connection; leave floating or connect to a voltage between VS and ground. · p. 6
11 NC: No internal connection; leave floating or connect to a voltage between VS and ground. · p. 6
2 OUT1: Channel 1 output voltage. · p. 6
8 OUT2: Channel 2 output voltage. · p. 6
13 OUT3: Channel 3 output voltage. · p. 6
19 OUT4: Channel 4 output voltage. · p. 6
1 REF1: Channel 1 reference voltage, 0 to VS. · p. 6
9 REF2: Channel 2 reference voltage, 0 to VS. · p. 6
12 REF3: Channel 3 reference voltage, 0 to VS. · p. 6
20 REF4: Channel 4 reference voltage, 0 to VS. · p. 6
5 VS: Power supply pin, 2.7 V to 5.5 V. · p. 6

Parameters

Bandwidth: 150kHz
Common Mode Rejection Ratio (CMRR): 100dB
Current - Supply(Max): 1mA
Differential Voltage: ±26V
Features: Analog output interface
Gain: 100V/V
Ib - Input Bias Current: 6uA
Input Offset Voltage Drift(Vos TC): 1uV/℃
Junction Temperature(Max): 150℃
Noise density(eN): 40nV/√Hz@1kHz
Number of Channels: 4
Operating Temperature: -40℃~+125℃
Output Current: 8mA
Output Current per Pin(Max): 8mA
Quiescent Current: 690uA
Single Supply: 2.7V~5.5V
Slew Rate: 2V/us
Thermal Resistance(Junction to Ambient): 97℃/W
Thermal Resistance(Junction to Board): 48.3℃/W
Thermal Resistance(Junction to Case): 37.7℃/W
Vcm - Common Mode Voltage: -200mV~26V
Voltage - Supply(Absolute Max): 6V
Vos - Input Offset Voltage: 25uV

Order codes

INA4181A3IPWRLCSC C2868580

Pinout

The pins of the INA4181A3IPW
Pin	Name	Type
1	REF1	Unspecified
2	OUT1	Unspecified
3	IN-1	Unspecified
4	IN+1	Unspecified
5	VS	Unspecified
6	IN+2	Unspecified
7	IN-2	Unspecified
8	OUT2	Unspecified
9	REF2	Unspecified
10	NC	Unspecified
11	NC	Unspecified
12	REF3	Unspecified
13	OUT3	Unspecified
14	IN-3	Unspecified
15	IN+3	Unspecified
16	GND	Unspecified
17	IN+4	Unspecified
18	IN-4	Unspecified
19	OUT4	Unspecified
20	REF4	Unspecified

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Questions

Is there a KiCad symbol and footprint for the INA4181A3IPW?

Yes. The symbol is EasyEDA_Cloud:INA4181A3IPWR and the footprint Package_SO:TSSOP-20_4.4x6.5mm_P0.65mm, both drawn on this page. PCBKit places them on a board for you when you design with it.

What package is the INA4181A3IPW?

TSSOP-20, with 20 pins. Its footprint is drawn on this page.

Where is the INA4181A3IPW datasheet?

Texas Instruments publishes it: the Datasheet link on this page opens it.

Where can I order the INA4181A3IPW?

JLCPCB lists it as part C2868580, with 28 in stock; the sellers' links on this page open their listings.

What can replace the INA4181A3IPW?

Parts like it in the library: the INA4181A1IPW by Texas Instruments, the INA4181A2IPW by Texas Instruments, the INA4181A4IPW by Texas Instruments and the INA4181A3QPWRQ1 by Texas Instruments. Check their datasheets: a part that fits the footprint may still differ in its ratings.

INA4181A3IPW

Overview

Symbol

Footprint

From the datasheet

What it is and has

Specifications

Pins, by the datasheet

Parameters

Order codes

Pinout

Show this part on your page

Questions

Is there a KiCad symbol and footprint for the INA4181A3IPW?

What package is the INA4181A3IPW?

Where is the INA4181A3IPW datasheet?

Where can I order the INA4181A3IPW?

What can replace the INA4181A3IPW?

Parts like it

INA4181A1IPW

INA4181A2IPW

INA4181A4IPW

INA4181A3QPWRQ1

INA4181A1QPWRQ1

INA253A2IPW

INA4181A4QPWRQ1

INA253A1IPW