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

V_SUPPLY
(V)

I_Q
(mA)

PSRR
(dB)

THD+N
(%)

SHDN

Channels

RoHS Available

Industry Qualified

Package/Pins

Smallest Available Pckg.
(mm²)

min

max

typ

min

max w/pins

MAX9890

2.7

5.5

0.014

100

0.003

Yes

Automotive - General

TDFN-EP/8

UCSP/8

9.6

See All Click-Pop Suppressors (2)

Key Specifications: Headphone Amplifiers

Part Number

Hdph. Amp. V_CC
(V)

Hdph. Amp. I_CC
(mA)

Hdph. Amp. P_OUT into 32Ω
(mW)

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

SNR
(dB)

PSRR
(dB)

Hdph. Amp. Ext. Gain

Hdph. Amp. Fxd. Gain
(|V/V|)

Features

RoHS Available

Industry Qualified

Package/Pins

Smallest Available Pckg.
(mm²)

min

max

typ

@ 1% THD+N

A- Weighted

min

max

max w/pins

MAX9820 NEW!

2.7

5.5

0.005

105

Yes

TDFN-EP/10

9.6

MAX9723

1.8

3.6

0.007

100

0.5

I2C/SMBus Compatible Interface

Integrated Volume Control

Software Enabled Bass Boost (BassMax)

See Data Sheet

See Data Sheet/

MAX9725

0.9

1.8

2.1

0.02

Yes

TQFN/12

UCSP/12

3.3

MAX9722

2.4

5.5

130

0.015

103

Yes

Common-Mode Sense

Yes

Automotive - General

TQFN/16

TSSOP/16

33.4

See All Headphone Amplifiers (15)