TPA3116D2

Class-D Stereo Amplifier

The TPA3116D2 is a class-d stereo amplifier from Texas Instruments. View the full TPA3116D2 datasheet below including key specifications, electrical characteristics, absolute maximum ratings.

Official TPA3116D2 datasheet (PDF) — the source this page was extracted from.

Manufacturer

Texas Instruments

TPA3116D2 Key Specifications

Parameter	Value
Inputs	Differential and single-ended
Efficiency	>90%
Protection	Overvoltage, undervoltage, overtemperature, DC-detect, short circuit with error reporting
Output Modes	Stereo and mono (single-filter mono configuration)
Output Power	2 × 50 W into 4Ω BTL at 21 V
Package Dimensions	11.00 mm × 6.20 mm (nominal)
Switching Frequency	Up to 1.2 MHz
Supply Voltage Range	4.5V to 26V
Operating Temperature Range	-40°C to 85°C ambient

TPA3116D2 Overview

Part: TPA3116D2, TPA3118D2, TPA3130D2 from Texas Instruments

Type: Filter-Free Class-D Stereo Amplifier

Description: The TPA31xxD2 series are stereo efficient, digital amplifier power stages, supporting multiple output configurations up to 2 × 50 W into a 4Ω BTL load, with a wide voltage range of 4.5 V to 26 V and >90% power efficiency.

Operating Conditions:

Supply voltage: 4.5 V to 26 V
Operating temperature: -40 to 85 °C
Max switching frequency: Up to 1.2 MHz
Output power: Up to 2 × 50 W

Absolute Maximum Ratings:

Max supply voltage: 30 V
Max continuous current: null
Max junction/storage temperature: 150 °C

Key Specs:

TPA3116D2 Output Power: 2 × 50 W Into a 4Ω BTL Load at 21 V
TPA3118D2 Output Power: 2 × 30 W Into a 8Ω BTL Load at 24 V
TPA3130D2 Output Power: 2 × 15 W Into a 8Ω BTL Load at 15 V
Power Efficiency: >90%
Switching Frequency: Up to 1.2 MHz
Input Voltage Range: 4.5 V to 26 V
AM Avoidance: Multiple switching frequency options
Integrated Self-Protection: Overvoltage, Undervoltage, Overtemperature, DCDetect, Short Circuit

Features:

Supports Multiple Output Configurations
Wide Voltage Range: 4.5 V to 26 V
Efficient Class-D Operation (>90% Power Efficiency)
Multiple Switching Frequencies (AM Avoidance, Master and Slave Synchronization, Up to 1.2-MHz)
Feedback Power-Stage Architecture With High PSRR
Programmable Power Limit
Differential and Single-Ended Inputs
Stereo and Mono Mode With Single-Filter Mono Configuration
Single Power Supply
Integrated Self-Protection Circuits Including Overvoltage, Undervoltage, Overtemperature, DCDetect, and Short Circuit With Error Reporting
Thermally Enhanced Packages

Applications:

Mini-Micro Component, Speaker Bar, Docks
After-Market Automotive
CRT TV
Consumer Audio Applications

Package:

DAD (32-Pin HTSSOP Pad Up)
DAP (32-Pin HTSSOP Pad Down)

TPA3116D2 Features

1 · Supports Multiple Output Configurations
-2 × 50 W Into a 4Ω BTL Load at 21 V (TPA3116D2)
-2 × 30 W Into a 8Ω BTL Load at 24 V (TPA3118D2)
-2 × 15 W Into a 8Ω BTL Load at 15 V (TPA3130D2)
Wide Voltage Range: 4.5 V to 26 V
Efficient Class-D Operation
->90% Power Efficiency Combined With Low Idle Loss Greatly Reduces Heat Sink Size
-Advanced Modulation Schemes
Multiple Switching Frequencies
-AM Avoidance
-Master and Slave Synchronization
-Up to 1.2-MHz Switching Frequency
Feedback Power-Stage Architecture With High PSRR Reduces PSU Requirements
Programmable Power Limit
Differential and Single-Ended Inputs
Stereo and Mono Mode With Single-Filter Mono Configuration
Single Power Supply Reduces Component Count
Integrated Self-Protection Circuits Including Overvoltage, Undervoltage, Overtemperature, DCDetect, and Short Circuit With Error Reporting
Thermally Enhanced Packages
-DAD (32-Pin HTSSOP Pad Up)
-DAP (32-Pin HTSSOP Pad Down)
-40°C to 85°C Ambient Temperature Range

TPA3116D2 Applications

Mini-Micro Component, Speaker Bar, Docks
After-Market Automotive
CRT TV
Consumer Audio Applications

TPA3116D2 Electrical Characteristics

TA = 25°C, AVCC = PVCC = 12 V to 24 V, RL = 4 Ω (unless otherwise noted)

PARAMETER	PARAMETER	TEST CONDITIONS	MIN	TYP	MAX	UNIT
\	V OS \		Class-D output offset voltage (measured differentially)	V I = 0 V, Gain = 36 dB		1.5
I CC	Quiescent supply current	SDZ = 2 V, No load or filter, PV CC = 12 V		20	35	mA
I CC	Quiescent supply current	SDZ = 2 V, No load or filter, PV CC = 24 V		32	50	mA
I CC(SD)	Quiescent supply current in shutdown mode	SDZ = 0.8 V, No load or filter, PV CC = 12 V		<50		μA
I CC(SD)	Quiescent supply current in shutdown mode	SDZ = 0.8 V, No load or filter, PV CC = 24 V		50	400	μA
r DS(on)	Drain-source on-state resistance, measured pin to pin	PV CC = 21 V, I out = 500 mA, T J = 25°C		120		m Ω
G	Gain (BTL)	R1 = 5.6 k Ω , R2 = Open	19	20	21
G	Gain (BTL)	R1 = 20 k Ω , R2 = 100 k Ω	25	26	27	dB
G	Gain (BTL)	R1 = 39 k Ω , R2 = 100 k Ω	31	32	33	dB
G	Gain (BTL)	R1 = 47 k Ω , R2 = 75 k Ω	35	36	37	dB
G	Gain (SLV)	R1 = 51 k Ω , R2 = 51 k Ω	19	20	21
G	Gain (SLV)	R1 = 75 k Ω , R2 = 47 k Ω	25	26	27	dB
G	Gain (SLV)	R1 = 100 k Ω , R2 = 39 k Ω	31	32	33	dB
G	Gain (SLV)	R1 = 100 k Ω , R2 = 16 k Ω	35	36	37	dB
t on	Turn-on time	SDZ = 2 V		10		ms
t OFF	Turn-off time	SDZ = 0.8 V		2		μs
GVDD	Gate drive supply	IGVDD < 200 μA	6.4	6.9	7.4	V
V O	Output voltage maximum under PLIMIT control	V(PLIMIT) = 2 V; V I = 1 V rms	6.75	7.90	8.75	V

TA = 25°C, AVCC = PVCC = 12 V to 24 V, RL = 4 Ω (unless otherwise noted)

TPA3116D2 Absolute Maximum Ratings

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

		MIN	MAX	UNIT
Supply voltage, V CC	PV CC , AV CC	-0.3	30	V
Input voltage, V	INPL, INNL, INPR, INNR	-0.3	6.3	V
I	PLIMIT, GAIN / SLV, SYNC	-0.3	GVDD+0.3	V
	AM0, AM1, AM2, MUTE, SDZ, MODSEL	-0.3	PVCC+0.3	V
Slew rate, maximum (2)	AM0, AM1, AM2, MUTE, SDZ, MODSEL		10	V/ms
Operating free-air temperature, T A	Operating free-air temperature, T A	-40	85	°C
Operating junction temperature , T J	Operating junction temperature , T J	-40	150	°C
Storage temperature, T stg	Storage temperature, T stg	-40	125	°C

TPA3116D2 Recommended Operating Conditions

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

				MIN	NOM	MAX	UNIT
V CC	Supply voltage	PV CC , AV CC	PV CC , AV CC	4.5		26	V
V IH	High-level input voltage	AM0, AM1, AM2, MUTE, SDZ, SYNC, MODSEL	AM0, AM1, AM2, MUTE, SDZ, SYNC, MODSEL	2			V
V IL	Low-level input voltage	AM0, AM1, AM2, MUTE, SDZ, SYNC, MODSEL	AM0, AM1, AM2, MUTE, SDZ, SYNC, MODSEL			0.8	V
V OL	Low-level output voltage	FAULTZ, R PULL-UP = 100 k Ω , PV CC = 26 V	FAULTZ, R PULL-UP = 100 k Ω , PV CC = 26 V			0.8	V
I IH	High-level input current	AM0, AM1, AM2, MUTE, SDZ, MODSEL (V I = 2 V, V CC = 18 V)	AM0, AM1, AM2, MUTE, SDZ, MODSEL (V I = 2 V, V CC = 18 V)			50	μA
R L (BTL)	Minimum load		TPA3116D2, TPA3118D2	3.2	4		Ω
R L (BTL)			TPA3130D2	5.6	8		Ω
R L (PBTL)	Impedance	Output filter: L = 10 μH, C = 1 μF	TPA3116D2, TPA3118D2	1.6			Ω
R L (PBTL)		Output filter: L = 10 μH, C = 1 μF	TPA3130D2	3.2	4		Ω
L o	Output-filter Inductance	Minimum output filter inductance under short-circuit condition	Minimum output filter inductance under short-circuit condition	1			μH

TPA3116D2 Thermal Information

THERMAL METRIC (1)		TPA3130D2 DAP (2)	TPA3118D2 DAP (3)	TPA3116D2 DAD (4)	UNIT
		32 PINS	32 PINS	32 PINS
R θ JA	Junction-to-ambient thermal resistance	36	22	14
ψ JT	Junction-to-top characterization parameter	0.4	0.3	1.2	°C/W
ψ JB	Junction-to-board characterization parameter	5.9	4.7	5.7

TPA3116D2 Typical Application

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