MAX97000EVKIT+ Maxim Integrated Products, MAX97000EVKIT+ Datasheet - Page 14

• 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

Audio Subsystem with Mono Class D
Speaker and Class H Headphone Amplifier
(V
loads (Z
C
14
C1P-C1N
LDOIN
0.001
0.001
0.01
0.01
0.1
0.1
10
10
70
60
50
40
30
20
10
1
0
1
0.01
0
1
OUTPUT POWER vs. LOAD RESISTANCE
SPK
= V
f
THD+N = 1%
C
IN
R
CHARGE_PUMP
=
R
LOAD
= 1kHz
10
LOAD
PVDD
) connected between OUTP and OUTN. Headphone loads (R
C
f
THD+N vs. OUTPUT POWER
IN
HPVDD
f
P
= 16I
THD+N vs. FREQUENCY
= 1kHz
IN
= 32I
0.1
OUT
20
= 100Hz
LOAD RESISTANCE (I)
OUTPUT POWER (mW)
= 3.7V, V
10
= 25mW
FREQUENCY (kHz)
30
= 0.47µF
= C
P
40
1
OUT
C
HPVSS
CHARGE_PUMP
C
GND
CHARGE_PUMP
= 5mW
50
100
f
IN
= V
= 6kHz
= C
10
60
PGND
= 2.2µF
BIAS
70
= 1µF
1000
100
80
= 0V. Single-ended inputs, preamp gain = 0dB,
=
1μF. T
HEADPHONE_AMPLIFIER
0.001
0.01
-100
A
Typical Operating Characteristics (continued)
180
160
140
120
100
0.1
-20
-40
-60
-80
10
80
60
40
20
1
0
= +25°C, unless otherwise noted.)
0
0.01
0.01
0
V
INPUTS AC-COUPLED GND
f
P
POWER-SUPPLY REJECTION RATIO
IN
RIPPLE
R
OUT
10
LOAD
= 1kHz
= P
THD+N vs. FREQUENCY
20
= 200mV
= 16I
P
0.1
POWER DISSIPATION
0.1
HPL
OUT
vs. OUTPUT POWER
OUTPUT POWER (mW)
vs. FREQUENCY
30
FREQUENCY (kHz)
+ P
FREQUENCY (kHz)
= 30mW
P-P
HPR
40
1
R
1
LOAD
P
50
OUT
HP
= 32I
60
= 10mW
) connected from HPL or HPR to GND. Z
R
10
LOAD
10
70
= 16I
80
100
100
90
HPLVOL = HPRVOL = SPKVOL =
0.001
-100
-120
-140
-160
0.01
-20
-40
-60
-80
0.1
10
80
70
60
50
40
30
20
10
1
0
0
0
1
0
OUTPUT POWER vs. LOAD RESISTANCE
R
f
IN
R
THD+N = 1%
LOAD
LOAD
= 1kHz
f
10
THD+N vs. OUTPUT POWER
IN
4
= 32I
= 32I
= 1kHz
OUTPUT SPECTRUM
f
IN
LOAD RESISTANCE (I)
OUTPUT POWER (mW)
= 100Hz
20
10
FREQUENCY (kHz)
8
30
12
SPK
THD+N = 10%
100
40
16
= ∞, R
0dB. Speaker
f
IN
= 6kHz
f
IN
50
20
= 1kHz
HP
= ∞.
1000
60
24