MAX97220B
Differential Input DirectDrive Line Drivers/Headphone Amplifiers
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Dual-Use Headphone Amplifiers and Line Drivers with Flexible Gains and Low Noise Performance
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Features
- Output Power 125mW into 32Ω with a 5V Supply
- 3VRMS Output Drive into 1kΩ with a 5V Supply
- 2VRMS Output Drive into 600Ω with a 3.3V Supply
- Fully Differential Inputs
- Fixed or Externally Adjustable Gain with No Clicks or Pops
- Wide 2.5V to 5.5V Operating Range
- DirectDrive Outputs Eliminate DC-Blocking Capacitors
- Flat THD+N, Better Than 90dB in the Audio Band
- 18-Bit SNR Performance, 112dB
- Footprint Compatible with the MAX9722
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The MAX97220 is a differential input DirectDrive® line driver/headphone amplifier. This device is capable of driving line level loads with 3VRMS into 1kΩ with a 5V supply and 2VRMS into 600Ω loads from a 3.3V supply. A headphone load is capable of being driven with 125mW into 32Ω with a 5V supply. The IC is offered with an internally fixed 6dB gain or an externally set gain through external resistors. The external gain setting nodes can also be used to configure filters for set-top box applications. The IC has exceptional THD+N over the full audio bandwidth.
Two versions of the IC are available with different turn-on times (tON). The A, C, and E versions for headphone applications feature a tON of 5.5ms while the B and D versions, intended for set-top-box applications, feature a 130ms tON. An on-chip charge pump inverts the power-supply input, creating a negative rail. The output stage of the amplifier is powered between the positive input supply and the output of the charge pump. The bipolar supplies bias the output about ground, eliminating the need for large, distortion-introducing output coupling capacitors. The IC powers on and off without clicks or pops.
The IC is available in a 3mm x 3mm x 0.8mm, 16-pin TQFN and is specified over the extended -40°C to +85°C temperature range.
Applications
- Blu-ray™ and DVD Players
- LCD Televisions
- Prosumer Audio Devices
- Set-Top Boxes
- Simple Multimedia Interfaces
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Submit your question below and we will return the best answer from ADI’s knowledge database:
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Support
Analog Devices Support Portal is a one-stop shop to answer all your ADI questions.
Visit the ADI Support Page
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MAX97220B
Documentation
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Documentation
ADI has always placed the highest emphasis on delivering products that meet the maximum levels of quality and reliability. We achieve this by incorporating quality and reliability checks in every scope of product and process design, and in the manufacturing process as well. "Zero defects" for shipped products is always our goal. View our quality and reliability program and certifications for more information.
| Part Model | Pin/Package Drawing | Documentation | CAD Symbols, Footprints, and 3D Models |
|---|---|---|---|
| MAX97220BETE+ |
Thin Quad Flatpack, No Leads
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| MAX97220BETE+T |
Thin Quad Flatpack, No Leads
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- MAX97220BETE+
- Pin/Package Drawing
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Thin Quad Flatpack, No Leads
- Documentation
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HTML
Material Declaration
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HTML
Reliablity Data
- CAD Symbols, Footprints, and 3D Models
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Ultra Librarian
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SamacSys
- MAX97220BETE+T
- Pin/Package Drawing
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Thin Quad Flatpack, No Leads
- Documentation
-
HTML
Material Declaration
-
HTML
Reliablity Data
- CAD Symbols, Footprints, and 3D Models
-
Ultra Librarian
-
SamacSys
Filter by Model
Part Models
Product Lifecycle
PCN
Aug 2, 2018
- 1682A
ASSEMBLY
MAX97220BETE+
PRODUCTION
MAX97220BETE+T
PRODUCTION
Jun 20, 2016
- 1612
ASSEMBLY
MAX97220BETE+
PRODUCTION
MAX97220BETE+T
PRODUCTION
Jan 28, 2015
- 1491
WAFER FAB
MAX97220BETE+
PRODUCTION
MAX97220BETE+T
PRODUCTION
Oct 11, 2013
- 1345
ASSEMBLY
MAX97220BETE+
PRODUCTION
MAX97220BETE+T
PRODUCTION
Filter by Model
Part Models
Product Lifecycle
PCN
Aug 2, 2018
- 1682A
ASSEMBLY
Jun 20, 2016
- 1612
ASSEMBLY
Jan 28, 2015
- 1491
WAFER FAB
Oct 11, 2013
- 1345
ASSEMBLY
Software & Part Ecosystem
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5V, Differential Input, DirectDrive, 130mW Stereo Headphone Amplifiers with Shutdown |
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Evaluation Kits 1
MAX97220AEVKIT
Evaluation Kit for the MAX97220A, MAX97220B, MAX97220C, and MAX97220D
Product Detail
The MAX97220A evaluation kit (EV kit) is a fully assembled and tested circuit board that evaluates the MAX97220A differential input DirectDrive® line driver/headphone amplifier. The device is capable of driving 125mW into 32Ω, or 3VRMS into 600Ω load, with a 5V supply.
The EV kit provides an externally set gain, is powered from a 2.5V to 5.5V single power supply, and includes a shutdown input. The EV kit also evaluates the MAX97220B, MAX97220C, and MAX97220D devices. Request a free MAX97220B, MAX97220C, and/or MAX97220D IC sample from the factory when ordering the EV kit.