MAX97000EVKIT+ Maxim Integrated Products, MAX97000EVKIT+ Datasheet - Page 16

• 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
Audio Subsystem with Mono Class D
Speaker and Class H Headphone Amplifier
16
C1P-C1N
LDOIN
SPK
= V
=
PVDD
) connected between OUTP and OUTN. Headphone loads (R
HPVDD
C
HPVSS
HPVDD
0V
0V
3.0
2.5
2.0
1.5
1.0
0.5
= 3.7V, V
0
0
= C
I
NC
HPVSS
= 20mA
GND
1
ON-RESISTANCE vs. V
CLASS H OPERATION
V
= V
PVDD
2
= C
PGND
V
10ms/div
COM
BIAS
= 3.0V
V
PVDD
3
(V)
= 0V. Single-ended inputs, preamp gain = 0dB,
=
= 2.7V
V
PVDD
1μF. T
4
V
COM
= 3.7V
PVDD
MAX97000 toc43
5
A
= 5.0V
Typical Operating Characteristics (continued
= +25°C, unless otherwise noted.)
ANALOG_SWITCH
6
HPVDD
1V/div
HPL/HPR
200mV/div
HPVSS
1V/div
HP
) connected from HPL or HPR to GND. Z
0.001
-100
-120
-140
0.01
-20
-40
-60
-80
0.1
10
1
0
0.01
0
f = 100kHz
R
EXTERNAL CLASS AB CONNECTED
DIRECTLY TO COM1 AND COMR
LOAD
BYPASS SWITCH OFF-ISOLATION
PLUS NOISE vs. OUTPUT POWER
TOTAL HARMONIC DISTORTION
5
HPLVOL = HPRVOL = SPKVOL =
= 32I
0.1
f = 100kHz
OUTPUT POWER (mW)
10
FREQUENCY (kHz)
f = 6kHz
15
1
20
10
25
100
30
SPK
= ∞, R
0dB. Speaker
HP
= ∞.