MAX97220AEVKIT+ by Analog Devices

Differential Input DirectDrive Line Drivers/Headphone Amplifiers

Status: Active
Series: MAX97220A
RoHS: Unknown
View Datasheet Manufacturer Site View Pricing & Stock

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.

Prices starting from US$81.05


Distributor Starting From Stock
Logo for Newark Electronics Newark Electronics US$85.17
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Buy Now
Logo for element14 element14 US$85.11
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Buy Now
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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

Specifications

Headphone Amplifier VCC (V) (min) 2.5
Headphone Amplifier VCC (V) (max) 5.5
Headphone Amplifier ICC (mA) (typ) 5
Hdph. Amp. POUT into 32Ω (mW) (@ 1% THD+N) 125
Headphone Amplifier Half-Power THD+N (%) 0.0035
SNR (dB) (A- Weighted) 102
PSRR (dB) (min) 90
Headphone Amplifier External Gain Yes
Package/Pins See Data Sheet


MAX97220AEVKIT+ Development Boards & Evaluation Kits by Analog Devices

EVALUATION BOARD HEADPHONE AMPLIFIER

Status: Unknown
Series: -
RoHS: Unknown
View Datasheet Manufacturer Site View Pricing & Stock

Specifications

Silicon Manufacturer Maxim Integrated Products
Silicon Core Number MAX97220A
Kit Application Type Audio
Application Sub Type Headphone Amplifier
Kit Contents Eval Board MAX97220A
Product Range -
SVHC No SVHC (15-Jan-2018)

Alternative Descriptions

Evaluation Board, Headphone Amplifier | Newark Electronics
EVALUATION BOARD, HEADPHONE AMPLIFIER | element14

Frequently Asked Questions

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Is the MAX97220AEVKIT+ RoHS compliant?

This part has not been flagged as RoHS Compliant.

Which authorised distributors for MAX97220AEVKIT+ have stock available?

Authorised distributors including Newark Electronics, element14 and Farnell have stock available or on a lead time for MAX97220AEVKIT+ .

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