MAX97000EVKIT+ Maxim Integrated Products, MAX97000EVKIT+ Datasheet - Page 15

• Manufacturer Part Number: MAX97000EVKIT+
• Description: KIT EVALUATION FOR MAX97000
• Manufacturer: Maxim Integrated Products

Specifications of MAX97000EVKIT+

• Description/function: Audio Amplifiers
• Operating Supply Voltage: 2.7 V to 5.5 V
• Product: Audio Development Tools
• Supply Current: 1 A
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With/related Products: MAX97000

(V
loads (Z
C
C1P-C1N
LDOIN
-100
-120
-140
-160
-20
-40
-60
-80
0
0
SPK
= V
R
f
IN
LOAD
=
= 1kHz
PVDD
) connected between OUTP and OUTN. Headphone loads (R
C
4
= 16I
HPVDD
Speaker and Class H Headphone Amplifier
OUTPUT SPECTRUM
= 3.7V, V
-10
-20
-30
-40
-50
-60
-70
FREQUENCY (kHz)
10
8
0
= C
0
RIGHT AND LEFT
12
SOFTWARE SHUTDOWN RESPONSE
HPVSS
GND
5
HEADPHONE VOLUME GAIN
16
HP_VOL CODE (NUMERIC)
10
Audio Subsystem with Mono Class D
vs. HP_VOL CODE
= V
= C
PGND
20
15
BIAS
1ms/div
20
= 0V. Single-ended inputs, preamp gain = 0dB,
24
=
1μF. T
25
MAX97000 toc41
-100
-120
A
Typical Operating Characteristics (continued)
-20
-40
-60
-80
30
= +25°C, unless otherwise noted.)
0
0.01
R
35
LOAD
SDA
2V/div
HPL/HPR
500mV/div
CROSSTALK vs. FREQUENCY
= 32I
0.1
HPL TO HPR
HPR TO HPL
FREQUENCY (kHz)
1
HP
) connected from HPL or HPR to GND. Z
10
HARDWARE SHUTDOWN RESPONSE
SOFTWARE TURN-ON RESPONSE
100
HPLVOL = HPRVOL = SPKVOL =
1ms/div
4ms/div
-10
-20
-30
-40
-50
-60
0
0.01
R
COMMON-MODE REJECTION RATIO
LOAD
PREGAIN = +18dB
= 16I
MAX97000 toc42
MAX97000 toc40
0.1
vs. FREQUENCY
FREQUENCY (kHz)
PREGAIN = +9dB
SDA
2V/div
HPL/HPR
500mV/div
SHDN
2V/div
HPL/HPR
500mV/div
1
SPK
= ∞, R
PREGAIN = 0dB
0dB. Speaker
10
HP
= ∞.
100
15