TDA7297

Dual Bridge Amplifier

The TDA7297 is a dual bridge amplifier from STMicroelectronics. View the full TDA7297 datasheet below including key specifications, electrical characteristics, absolute maximum ratings.

Official TDA7297 datasheet (PDF) — the source this page was extracted from.

Manufacturer

STMicroelectronics

TDA7297 Key Specifications

Parameter	Value
Features	Mute, Short-Circuit and Thermal Protection, Standby
Max Output Power x Channels @ Load	15W x 2 @ 8Ohm
Mounting Type	Through Hole
Operating Temperature	0°C ~ 70°C (TA)
Output Type	2-Channel (Stereo)
Package / Case	Multiwatt-15 (Vertical, Bent and Staggered Leads)
Supplier Device Package	15-Multiwatt
Type	Class AB
Supply Voltage	6.5V ~ 18V

TDA7297 Overview

Part: TDA7297 — STMicroelectronics

Type: Dual Bridge Amplifier

Description: A 15+15W dual bridge amplifier designed for TV and Portable Radio applications, featuring a wide 6V-18V supply voltage range, internally fixed gain, and integrated stand-by & mute functions.

Operating Conditions:

Supply voltage: 6.5–18 V
Operating temperature: 0 to 70 °C
Output Power (Typ): 15 W (THD = 10%, VCC = 16.5V, RL = 8 Ω, f = 1kHz, Tamb = 25 C)
Closed Loop Voltage Gain (Typ): 32 dB (VCC = 16.5V, RL = 8 Ω, f = 1kHz, Tamb = 25 C)

Absolute Maximum Ratings:

Max supply voltage: 20 V
Max output peak current: 2 A
Max total power dissipation (Tcase = 70 C): 33 W
Max storage and junction temperature: -40 to +150 °C

Key Specs:

Total Quiescent Current (Typ, RL = ∞): 50 mA
Output Offset Voltage (Max): 120 mV
Total Harmonic Distortion (Typ, PO = 1W): 0.1 %
Supply Voltage Rejection (Typ, f = 100Hz, VR = 0.5V): 56 dB
Crosstalk (Typ): 60 dB
Mute Attenuation (Typ): 80 dB
Thermal Threshold (Typ): 150 °C
Input Resistance (Typ): 30 KΩ

Features:

Wide supply voltage range (6V -18V)
Minimum external components
No SVR capacitor
No bootstrap
No Boucherot cells
Internally fixed gain
Stand-by & mute functions
Short circuit protection
Thermal overload protection

Applications:

TV
Portable Radio

Package:

11-pin (dimensions provided)

TDA7297 Electrical Characteristics

Symbol	Parameter	Test Condition	Min.	Typ.	Max.	Unit
VT MUTE	Mute Threshold	V O = -30dB	2.3	2.9	4.1	V
VT ST-BY	St-by Threshold		0.8	1.3	1.8	V
I ST-BY	ST-BY current V6 = GND				100	m A
e N	Total Output Noise Voltage	A curve f = 20Hz to 20kHz		150 220	500	m V m V

TDA7297 Absolute Maximum Ratings

Symbol	Parameter	Value	Unit
V S	Supply Voltage	20	V
I O	Output Peak Current (internally limited)	2	A
P tot	Total Power Dissipation (T case = 70 C)	33	W
T op	Operating Temperature	0 to 70	C
T stg , T j	Storage and Junction Temperature	-40 to +150	C

TDA7297 Thermal Information

Symbol	Description	Value	Value	Unit
R th j-case	Thermal Resistance Junction to case	Typ. 1.4	Max. 2	C/W

TDA7297 Typical Application

Other Integrated Circuits

STM32F103C8T6 – STMicroelectronics, Microcontroller
STM32F405RGT6 – STMicroelectronics, ARM Cortex-M4 MCU
SN74AVC4T245PWR – Texas Instruments, Dual-Supply Bus Transceiver Level Translator
STM32F446RCT6 – STMicroelectronics, ARM Cortex-M4 MCU
STM32G070RBT6 – STMicroelectronics, Arm Cortex-M0+ 32-bit MCU
ADS131M08IPBSR – Texas Instruments, Delta-Sigma ADC
ISO1540DR – Texas Instruments, Bidirectional I²C Isolator
ISO7740DBQR – Texas Instruments, Digital Isolator

All Integrated Circuits datasheets All STMicroelectronics datasheets (808)

Data on this page is extracted from publicly available manufacturer datasheets using automated tools including AI. It may contain errors or omissions. Always verify specifications against the official manufacturer datasheet before making design or purchasing decisions. See our Terms of Service. Rights holders can submit a takedown request.

Ask your AI agent about the TDA7297

Connect SheetsData to Claude, Cursor, Codex or any MCP client and your agent reads this datasheet for you: pinout, limits, register maps and design checks, with the numbers taken from the PDF.

claude mcp add --transport http sheetsdata https://mcp.sheetsdata.com/mcp

Then ask: "Can the TDA7297 run from my 12 V rail? Check it against the datasheet limits."

Create a free account $2 of usage every month, no card needed.