DA7211 datasheet(21/111 Pages) RENESAS

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DA7211

Ultra-low power stereo codec

Datasheet

Revision 3.2

23-Dec-2021

CFR0011-120-00 Rev 5

21 of 110

Table 13: Electrical characteristics: Headphone amplifier

(HPL, HPR)

Parameter

Description

Conditions

Min

Typ

Max

Unit

VMAX

Full-scale Output Signal

No load

1.6*VDD

VPP

DC output offset

100

µV

PMAX

Output Power per channel

VDDCP = 1.8 V, THD <

0.1%, RL=16

Ω 1 kHz

mWRMS

VDDCP = 2.5 V, THD <

0.1%, RL=16

Ω 1 kHz

mWRMS

Dynamic internal supply

voltages

VDD/3 or VDD/4 can

optionally be selected if two

flying caps are available

±VDD

±VDD/2

(±VDD/3

(±VDD/4)

Quiescent current per

channel

from VDDCP

100

Load Impedance

13 < RL <

∞

400

500

Ω

µH

Frequency Response

+/- 0.5 dB

20k

Amplitude Ripple

20 Hz – 20 kHz

-0.5

0.5

Programmable Gain

-54

Mute Attenuation

100

Programmable Gain Step

Size

1.5

Absolute Gain Accuracy

0 dB @ 1 kHz

-0.8

0.8

Input Gain L/R-Mismatch

20 Hz – 20 kHz

-0.1

0.1

Input Gain Step Error

20 Hz – 20 kHz

-0.1

0.1

SNR

Signal to Noise Ratio

A weighting, gain = 0 dB

100

VNOISE

Output Noise Level

20 to 20 kHz, unweighted,

gain < -15 dB

<4.5

µVrms

THD+N

Total Harmonic Distortion

Plus Noise

VDDCP = 1.8 V, -5 dBFS,

RL=16

Ω

-70

PSRR with

respect to

AVDD

Power Supply Rejection

Ratio

20 Hz - 2 kHz

2 kHz - 20 kHz

Output power per channel

VDDCP=2.5 V, THD<1%,

RL=16

Ω, 1 kHz

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