MAX97001EWP+T Maxim Integrated Products, MAX97001EWP+T Datasheet - Page 15

• Manufacturer Part Number: MAX97001EWP+T
• Description: IC AUDIO SUBSYSTEM 20WLP
• Manufacturer: Maxim Integrated Products
• Series: DirectDrive™r
• Type: Class Dr

Specifications of MAX97001EWP+T

• Output Type: 1-Channel (Mono) with Stereo Headphones
• Max Output Power X Channels @ Load: 920mW x 1 @ 8 Ohm; 37mW x 2 @ 16 Ohm
• Voltage - Supply: 2.7 V ~ 5.5 V
• Features: Depop, Differential Inputs, I²C, Mute, Shutdown, Volume Control
• Mounting Type: Surface Mount
• Package / Case: 20-WLP
• Product: Class-D
• Output Power: 550 mW, 700 mW, 920 mW
• Available Set Gain: 12 dB
• Common Mode Rejection Ratio (min): 32 dB, 55 dB
• Thd Plus Noise: 0.05 %
• Operating Supply Voltage: 2.7 V to 5.5 V
• Supply Current: 2.7 V
• Maximum Power Dissipation: 1040 mW
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Input Signal Type: Differential, Single
• Minimum Operating Temperature: - 40 C
• Output Signal Type: Differential
• Supply Voltage (max): 5.5 V
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: MAX97001EWP+T

(V
loads (Z
C
C1P-C1N
LDOIN
90
80
70
60
50
40
30
20
10
0
Audio Subsystem with Mono Class D Speaker
1
SPK
= V
f
THD+N = 1%
MEASURED
AT HPR ONLY
IN
= C
PVDD
) connected between OUTP and OUTN. Headphone loads (R
= 1kHz
HPVDD
vs. LOAD RESISTANCE
LOAD RESISTANCE (I)
OUTPUT POWER
= 3.7V, V
10
-100
-120
-140
-20
-40
-60
-80
-10
-20
-30
-40
-50
-60
-70
0
0
= C
0.01
C1 = C2 = C3 = 2.2µF
C1 = C2 = C3 = 1µF
0
R
f
R
HPVSS
IN
COMMON-MODE REJECTION RATIO
LOAD
LOAD
GND
2
= 1kHz
100
= 16I
PREGAIN = 0dB
= 32I
PREGAIN = +18dB
4
0.1
= V
OUTPUT SPECTRUM
PREGAIN = +9dB
= C
6
vs. FREQUENCY
FREQUENCY (kHz)
FREQUENCY (kHz)
PGND
BIAS
and Class H Headphone Amplifiers
8
10
1000
1
= 0V. Single-ended inputs, preamp gain = 0dB,
=
12
1μF. T
14 16 18 20
10
-100
-120
-140
-20
-40
-60
-80
A
Typical Operating Characteristics (continued)
0
= +25°C, unless otherwise noted.)
0.01
V
V
INPUTS AC-COUPLED TO GND
POWER-SUPPLY REJECTION RATIO
RIPPLE
DD
100
= 1.8V
= 200mV
0.1
vs. FREQUENCY
FREQUENCY (kHz)
P-P
1
HP
) connected from HPL or HPR to GND. Z
10
-10
-20
-30
-40
-50
-60
-70
-80
-90
0
0.01
R
LEFT TO RIGHT
SOFTWARE SHUTDOWN RESPONSE
100
LOAD
CROSSTALK vs. FREQUENCY
HPLVOL = HPRVOL = SPKVOL =
= 32I
0.1
-100
-120
-140
FREQUENCY (kHz)
-20
-40
-60
-80
0
RIGHT TO LEFT
1ms/div
0
R
f
1
IN
LOAD
2
= 1kHz
= 32I
4
OUTPUT SPECTRUM
10
6
FREQUENCY (kHz)
MAX97001 toc39
8
10 12
100
SPK
SDA
2V/div
HPL/HPR
200mV/div
= ∞, R
14
0dB. Speaker
16 18
HP
= ∞.
20
15