MAX97220CETE+ Maxim Integrated, MAX97220CETE+ Datasheet - Page 7

• Manufacturer Part Number: MAX97220CETE+
• Description: Audio Amplifiers DirectDrive LDriver Headphone Amplifier
• Manufacturer: Maxim Integrated

Specifications of MAX97220CETE+

• Rohs: yes
• Product: Class-AB
• Output Type: 2-Channel Headphone
• Output Power: 125 mW x 2 at 32 Ohms
• Thd Plus Noise: 0.0035 %
• Operating Supply Voltage: 2.5 V to 5.5 V
• Supply Current: 5 mA
• Maximum Power Dissipation: 1.667 W
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Package / Case: TQFN-16
• Common Mode Rejection Ratio (min): 45 dB
• Minimum Operating Temperature: - 40 C

(V
Maxim Integrated
PVDD
100
200
180
160
140
120
100
5.0
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
80
60
40
20
90
80
70
60
50
40
30
20
10
0
0
0
2.5
2.5
10
OUTPUT VOLTAGE vs. SUPPLY VOLTAGE
= V
OUTPUT POWER vs. LOAD RESISTANCE
OUTPUT POWER vs. SUPPLY VOLTAGE
V
f
f
R
f
R
IN
IN
IN
PVDD
L
L
SVDD
= 1kHz
= 1kHz
= 600I
= 1kHz
= 16I
3.0
3.0
THD+N = 1%
= 3.3V
LOAD RESISTANCE (I)
= V
SUPPLY VOLTAGE (V)
SUPPLY VOLTAGE (V)
3.5
3.5
SVDD2
THD+N = 10%
THD+N = 10%
THD+N = 10%
THD+N = 1%
THD+N = 1%
100
4.0
4.0
= 5V, V
4.5
4.5
PGND
5.0
5.0
Line Drivers/Headphone Amplifiers
1000
= V
5.5
5.5
SGND
250
225
200
175
150
125
100
Typical Operating Characteristics (continued)
5.0
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
= 0V, C
75
50
25
0
0
Differential Input DirectDrive
2.5
0.1
OUTPUT VOLTAGE vs. LOAD RESISTANCE
10
OUTPUT VOLTAGE vs. SUPPLY VOLTAGE
OUTPUT POWER vs. LOAD RESISTANCE
f
f
R
V
f
IN
IN
IN
L
PVDD
= 1kHz
= 1kHz
= 10kI
= 1kHz
BIAS
3.0
THD+N = 1%
= 3.3V
LOAD RESISTANCE (kI)
= 0.1µF, C1 = C2 = 1µF, R
LOAD RESISTANCE (I)
SUPPLY VOLTAGE (V)
3.5
MAX97220A–MAX97220E
THD+N = 10%
1
THD+N = 1%
THD+N = 10%
THD+N = 10%
THD+N = 1%
100
4.0
4.5
10
5.0
1000
100
5.5
IN
= 10kω, R
250
225
200
175
150
125
100
200
180
160
140
120
100
5.0
4.5
4.0
3.5
3.0
2.5
2.0
75
50
25
80
60
40
20
0
0
0.1
POWER DISSIPATION vs. OUTPUT POWER
2.5
OUTPUT VOLTAGE vs. LOAD RESISTANCE
0
OUTPUT POWER vs. SUPPLY VOLTAGE
V
f
f
R
F
IN
IN
V
R
PVDD
15
L
PVDD
L
= 10kω, unless otherwise noted.)
= 1kHz
= 1kHz
= 32I
= 32I
3.0
30 45 60 75
= 5V
= 3.3V
LOAD RESISTANCE (kI)
OUTPUT POWER (mW)
SUPPLY VOLTAGE (V)
3.5
THD+N = 10%
1
THD+N = 1%
THD+N = 10%
THD+N = 1%
4.0
90 105
4.5
10
120
5.0
135
100
150
5.5
7