Electrical characteristics (continued) – Rainbow Electronics MAX9860 User Manual

Page 5

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MAX9860

16-Bit Mono Audio Voice Codec

_______________________________________________________________________________________

5

ELECTRICAL CHARACTERISTICS (continued)

(V

AVDD

= V

DVDD

= V

DVDDIO

= +1.8V, R

L

=

∞, headphone load (R

L

) connected between OUTP and OUTN, C

REF

= 2.2µF, C

MICBIAS

=

C

PREG

= C

REG

= 1µF, A

VPRE

= +20dB, A

VMICPGA

= 0dB, MCLK = 13MHz, LRCLK = 8kHz, T

A

= T

MIN

to T

MAX

, unless otherwise noted.

Typical values are at T

A

= +25°C.) (Note 2)

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

AVFLT = 0x1
(elliptical for 16kHz GSM)

0.0139

x f

S

AVFLT = 0x2
(500Hz Butterworth for 16kHz)

0.0156

x f

S

AVFLT = 0x3
(elliptical for 8kHz GSM)

0.0279

x f

S

AVFLT = 0x4
(500Hz Butterworth for 8kHz)

0.0312

x f

S

5th Order Stopband Cutoff
(-30dB from peak, I

2

C Register

Programmable) (Note 6)

f

AHPSB

AVFLT = 0x5
(200Hz Butterworth for 48kHz)

0.0021

x f

S

Hz

DC Blocking

DC

ATTEN

AVFLT

≠ 0x0

90

dB

CLOCKING

MCLK Input Frequency

MCLK is not required to be synchronous
or related to the desired LRCLK data rate

10

60

MHz

MCLK Duty Cycle

40

50

60

%

Maximum MCLK Input Jitter

For guaranteed performance limits

100

ps

RMS

LRCLK Data Rate Frequency

8

48

kHz

LRCLK PLL Lock Time

12

25

ms

LRCLK Acceptable Jitter for
Maintaining PLL Lock

±20

ns

MONO HEADPHONE AMPLIFIER

R

L

= 16

Ω

30

50

Output Power

P

OUT

f = 1kHz, THD+N

≤ 1%

T

A

= +25°C

R

L

= 32

Ω

33

mW

R

L

= 32

Ω, P

OUT

= 25mW, f = 1kHz

0.05

Total Harmonic Distortion + Noise

THD+N

R

L

= 16

Ω, P

OUT

= 25mW, f = 1kHz

0.08

%

Dynamic Range (Note 5)

DR

+0dB volume setting, DAC input at
f

S

= 8kHz to 48kHz

90

dB

AVDD = 1.7V to 1.9V

60

84

V

RIPPLE

= 100mV

P-P

, f = 217Hz

86

Power-Supply Rejection Ratio

PSRR

V

RIPPLE

= 100mV

P-P

, f = 20kHz

71

dB

Output Offset Voltage

V

OS

V

OUTP

- V

OUTN,

T

A

=+25°C

± 0.25

± 1

mV

R

L

= 32

Ω

500

Capacitive Drive Capability

No sustained oscillations

R

L

=

100

pF

Click-and-Pop Level

Peak voltage into/out of shutdown, 32sps,
A-weighted

-70

dBV

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