MAX13331GEEVT datasheet(3/15 Pages) MAXIM

3 / 15 page

Automotive DirectDrive Headphone Amplifiers

with Output Protection and Diagnostics

_______________________________________________________________________________________

ELECTRICAL CHARACTERISTICS (continued)

(VDD = VCPVDD = +5V, VSGND = VPGND = 0V, SHDN = VDD, C1 = C2 = 1µF, RL =

∞, resistive load referenced to ground, for

MAX13330 gain = -1.5V/V (internally set), for MAX13331 gain = -1.5V/V (RIN = 30k

Ω, RFB = 45kΩ), TA = TJ = -40°C to +105°C, unless

otherwise noted. Typical values are at TA = +25°C, unless otherwise noted.) (Note 2)

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

Short-to-SGND Threshold

130

Short-to-VBAT Threshold

130

AMPLIFIERS

Voltage Gain

MAX13330

-1.48

-1.5

-1.52

V/V

Gain Matching

MAX13330

±0.2

Input Offset Voltage

±1

±6

Input Bias Current

VIN_ = 0V

Input Impedance

RIN

MAX13330

DC, VDD = 4.0V to 5.5V, input referred

-86

Power-Supply Rejection Ratio

PSRR

f =1kHz, VRIPPLE = 100mVP-P

-80

RL = 8

RL = 16

120

Output Power Per Channel

POUT_

THD+N = 1%;

VDD = VCPVDD = 5V;

fIN = 1kHz

RL = 32

135

Output Voltage

VOUT_

RL = 1k

VRMS

Output Impedance in Shutdown

RL = 16 , POUT = 100mW, f = 1kHz

0.03

Total Harmonic Distortion Plus

Noise

THD+N

RL = 32 , POUT = 125mW, f = 1kHz

0.01

Signal-to-Noise Ratio

SNR

RL = 32 , POUT = 135mW, f = 22Hz to 22kHz

100

Noise

f = 22Hz to 22kHz bandwidth; inputs

AC-coupled to grounded

μVRMS

Slew Rate

0.3

V/μs

Maximum Capacitive Load

No sustained oscillation

3000

Into shutdown

-80

Click-and-Pop Level

KCP

Peak voltage, TA =

+25°C, A-weighted,

32 samples per

second; Inputs AC-

coupled to ground

Out of shutdown

-60

Charge-Pump Oscillator

Frequency

fOSC

1.9

2.2

2.5

MHz

Crosstalk

RL = 32 , VIN = 200mVP-P, f = 10kHz

-75

Thermal-Shutdown Temperature

+155

°C

Thermal-Shutdown Hysteresis

°C

ESD Protection

Human Body Model (OUTR and OUTL)

±15

Note 2: All devices are 100% tested at TA = +25°C; specifications over temperature limits are guaranteed by design and QA

sampling.

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