MAX97000EWA+T Maxim Integrated Products, MAX97000EWA+T Datasheet - Page 13

• Manufacturer Part Number: MAX97000EWA+T
• Description: IC AUDIO SUBSYSTEM 25WLP
• Manufacturer: Maxim Integrated Products
• Series: DirectDrive™r
• Type: Class Dr

Specifications of MAX97000EWA+T

• Output Type: 1-Channel (Mono) with Stereo Headphones
• Max Output Power X Channels @ Load: 930mW x 1 @ 8 Ohm; 40mW 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: 25-WLP
• Product: Class-D
• Output Power: 725 mW
• Available Set Gain: 12 dB
• Common Mode Rejection Ratio (min): 32 dB to 55 dB
• Thd Plus Noise: 0.05 %
• Operating Supply Voltage: 2.7 V to 5.5 V
• Supply Current: 0.4 mA to 1.45 mA
• Maximum Power Dissipation: 850 mW
• Maximum Operating Temperature: + 80 C
• Mounting Style: SMD/SMT
• Audio Load Resistance: 41.2 KOhms
• Input Signal Type: Differential
• Minimum Operating Temperature: - 40 C
• Output Signal Type: Differential
• Supply Voltage (max): 5.5 V
• Supply Voltage (min): 2.7 V
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: MAX97000EWA+T

(V
loads (Z
C
C1P-C1N
LDOIN
SPK
= V
=
PVDD
) connected between OUTP and OUTN. Headphone loads (R
C
HPVDD
Speaker and Class H Headphone Amplifier
= 3.7V, V
-100
-120
-20
-40
-60
-80
-10
-20
-30
-40
30
20
10
0
0
= C
0.1
0
HPVSS
SOFTWARE SHUTDOWN RESPONSE
GND
WIDEBAND OUTPUT SPECTRUM
10
SPEAKER VOLUME GAIN
Audio Subsystem with Mono Class D
= V
SPKVOL CODE (NUMERIC)
1
= C
20
vs. SPKVOL CODE
FREQUENCY (MHz)
PGND
BIAS
400µs/div
30
10
= 0V. Single-ended inputs, preamp gain = 0dB,
=
40
1μF. T
RBW = 100Hz
FFM
50
100
A
Typical Operating Characteristics (continued)
MAX97000 toc25
= +25°C, unless otherwise noted.)
60
1000
70
SDA
2V/div
SPKR
OUTPUT
1V/div
HP
) connected from HPL or HPR to GND. Z
-100
-10
-20
-30
-40
-50
-60
-70
-80
-90
0
0.1
HARDWARE SHUTDOWN RESPONSE
SOFTWARE TURN-ON RESPONSE
WIDEBAND OUTPUT SPECTRUM
HPLVOL = HPRVOL = SPKVOL =
1
FREQUENCY (MHz)
1ms/div
4ms/div
10
RBW = 100Hz
SSM
100
MAX97000 toc24
MAX97000 toc26
1000
SPK
SHDN
2V/div
SPKR
OUTPUT
500mV/div
SDA
2V/div
SPKR
OUTPUT
1V/div
= ∞, R
0dB. Speaker
HP
= ∞.
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