Max5406 audio processor with pushbutton interface, Electrical characteristics (continued) – Rainbow Electronics MAX5406 User Manual

Page 4

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MAX5406

Audio Processor with Pushbutton Interface

4

_______________________________________________________________________________________

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

f

BW

= 20Hz to 20kHz, V

IN

= V

BIAS

,

mute on, noise measured at LOUT and
ROUT (Notes 2, 4, 5)

3.5

9.5

Output Noise

e

n

f

BW

= 20Hz to 20kHz, V

IN

= V

BIAS

, mute

off, volume = 0dB, noise measured at
LOUT and ROUT (Notes 2, 4, 5)

25

35

µV

RMS

100mV

P-P

at 217Hz on V

DD

-70

Power-Supply Rejection Ratio

PSRR

100mV

P-P

at 1kHz on V

DD

-65

dB

SUBWOOFER OUTPUT

Gain

(V

L1_H

- V

L1_L

) to (V

SUBOUT

- V

BIAS

),

volume = 0dB (Note 2)

-6

dB

Highpass Filter Cutoff Frequency

Volume = 0dB

15

Hz

Internal Highpass Cutoff
Resistance

R

_S

Figure 12

13.8

k

Ω

Lowpass Filter Cutoff Frequency

Volume = 0dB

100

Hz

Internal Lowpass Cutoff
Resistance

R

SUB

Figure 12

10.6

k

Ω

Maximum Load Capacitance

C

SUBLOAD

100

pF

Output-Voltage Swing

V

SUBOUTP-P

R

L

= 10k

Ω, V

DD

= +2.7V, V

SS

= -2.7V

-2.3

+2.3

V

Output Offset Voltage

V

SUBOOS

V

DD

= +2.7V, V

SS

= -2.7V, volume = 0dB,

R

L

= 10k

Ω

-15

0

+15

mV

Short-Circuit Output Current

I

SUBSC

Shorted to V

SS

12

mA

Output Resistance

R

SUBOUT

I

LOAD

= 100µA to 500µA

10

Ω

f

BW

= 20Hz to 20kHz, V

IN

= V

BIAS

,

mute on, noise measured at SUBOUT
(Notes 2, 4, 5)

9

11

Output Noise

e

n

f

BW

= 20Hz to 20kHz, V

IN

= V

BIAS

,

volume = 0dB, mute off, noise measured at
SUBOUT (Notes 2, 4, 5)

25

35

µV

RMS

100mV

P-P

at 217Hz on V

DD

-70

Power-Supply Rejection Ratio

PSRR

100mV

P-P

at 1kHz on V

DD

-65

dB

PUSHBUTTON CONTACT INPUTS (

MUTE, AMB, VOLUP, VOLDN, BALL, BALR, BASSUP, BASSDN, TREBUP, TREBDN)

Internal Pullup Resistor

R

PU

50

k

Ω

Single-Pulse Input Low Time

t

LPW

Figures 2a, 11a, 11b

30

ms

Repetitive Input Pulse Separation
Time

t

HPW

Figure 2b, 11a, 11b

40

ms

First Autoincrement Point

t

A1

Figure 3

1

s

First Autoincrement Rate

f

A1

Figure 3

4

Hz

Second Autoincrement Point

t

A2

Figure 3

4

s

Second Autoincrement Rate

f

A2

Figure 3

16

Hz

ELECTRICAL CHARACTERISTICS (continued)

(V

DD

= V

LOGIC

= +5.0V, V

SS

= 0, V

BIAS

= V

CMSNS

= V

DD

/ 2, DGND = 0, ambience disabled, V

AMBLI

= V

AMBRI

= V

BIAS,

V

R1_L

=

V

L1_L

= V

R2_L

= V

L2_L

= external V

BIAS

, C

CSUB

= 0.15µF, C

CLS

= C

CRS

= 1µF, C

CBL

= C

CBR

= 3.3nF, C

CTL

= C

CTR

= 4.7nF, C

BIAS

=

0.1µF, C

CBIAS

= 50µF (see the Typical Application Circuit), T

A

= T

MIN

to T

MAX

unless otherwise specified. Typical values are at T

A

=

+25°C). (Note1)

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