TDA7297
Dual Bridge AmplifierThe TDA7297 is a dual bridge amplifier from STMicroelectronics. View the full TDA7297 datasheet below including key specifications, electrical characteristics, absolute maximum ratings.
Manufacturer
STMicroelectronics
Category
Integrated CircuitsPackage
Multiwatt-15 (Vertical, Bent and Staggered Leads)
Lifecycle
Active
Key Specifications
| Parameter | Value |
|---|---|
| Features | Mute, Short-Circuit and Thermal Protection, Standby |
| Features | Mute, Short-Circuit and Thermal Protection, Standby |
| Features | Mute, Short-Circuit and Thermal Protection, Standby |
| Features | Mute, Short-Circuit and Thermal Protection, Standby |
| Max Output Power x Channels @ Load | 15W x 2 @ 8Ohm |
| Max Output Power x Channels @ Load | 15W x 2 @ 8Ohm |
| Max Output Power x Channels @ Load | 15W x 2 @ 8Ohm |
| 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 |
| Supplier Device Package | 15-Multiwatt |
| Supplier Device Package | 15-Multiwatt |
| Supplier Device Package | 15-Multiwatt |
| Type | Class AB |
| Type | Class AB |
| Type | Class AB |
| Type | Class AB |
| Supply Voltage | 6.5V ~ 18V |
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)
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 |
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 |
Thermal Information
| Symbol | Description | Value | Value | Unit |
|---|---|---|---|---|
| R th j-case | Thermal Resistance Junction to case | Typ. 1.4 | Max. 2 | C/W |
Typical Application
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