Cellular Handsets - Parts List



		Overview
		Suggested Components
		Application Notes

Maxim > Solutions > Cellular Handsets

Headphone Amplifiers

Maxim's proprietary DirectDrive™ headphone amplifiers

save the cost and space of DC-blocking capacitors,
produce industry-leading click-and-pop performance,
and produce an output signal with twice the amplitude of conventional amplifiers.

See more information about Maxim DirectDrive Technology

Key Specifications: Click-Pop Suppressors

Part Number

Supply Voltage (min) (V)

Supply Voltage (max) (V)

Quiescent Supply Current (typ) (mA)

PSRR (db)

THD+N (%)

SHDN

Number of Channels

Industry Qualified

Package

Smallest Available Package (max w/pins) (mm²)

MAX9890

2.7

5.5

0.014

100

0.003

Yes

Automotive - General

TDFN-EP/8
UCSP/8

See All Click-Pop Suppressors (2)

Key Specifications: Headphone Amplifiers

Part Number

Headphone Amp. V_CC (min) (V)

Headphone Amp. V_CC (max) (V)

Headphone Amp. I_CC (typ) (mA)

Hdph. Amp. P_OUT into 32Ω @1% THD+N (mW)

Headphone Amp. Half Pwr. THD+N (%)

SNR, A-weighted (dB)

PSRR (db)

Headphone Amp. External Gain

Headphone Amp. Fixed Gain (min) (|V/V|)

Headphone Amp. Fixed Gain (max) (|V/V|)

Features

Industry Qualified

Package

Smallest Available Package (max w/pins) (mm²)

MAX9723

1.8

3.6

0.007

100

0.5

•	I2C/SMBus Compatible Interface

•	Integrated Volume Control

•	Software Enabled Bass Boost (BassMax)

UCSP/16

MAX9725

0.9

1.8

2.1

0.02

TQFN/12
UCSP/12

MAX9722

2.4

5.5

130

0.015

103

Yes

•	Common-Mode Sense

Automotive - General

TQFN/16
TSSOP/16

See All Headphone Amplifiers (14)