AD1994ACPZRL7 Analog Devices Inc, AD1994ACPZRL7 Datasheet - Page 13

• Manufacturer Part Number: AD1994ACPZRL7
• Description: IC AMP AUDIO PWR 25W 64LFCSP
• Manufacturer: Analog Devices Inc
• Type: Class Dr

Specifications of AD1994ACPZRL7

• Output Type: 2-Channel (Stereo)
• Max Output Power X Channels @ Load: 25W x 2 @ 6 Ohm
• Voltage - Supply: 4.5 V ~ 5.5 V
• Features: Depop, Mute, Short-Circuit and Thermal Protection
• Mounting Type: Surface Mount
• Package / Case: 64-LFCSP
• Operational Class: Class-D
• Audio Amplifier Output Configuration: 1-Channel Mono/2-Channel Stereo
• Output Power (typ): 50x1@3Ohm/25x2@6OhmW
• Audio Amplifier Function: Speaker
• Total Harmonic Distortion: 0.003@1W%
• Single Supply Voltage (typ): Not RequiredV
• Dual Supply Voltage (typ): 5/20V
• Supply Current (max): 260@12V/27@5V/7@5VmA
• Power Supply Requirement: Triple
• Rail/rail I/o Type: No
• Power Supply Rejection Ratio: 65dB
• Single Supply Voltage (min): Not RequiredV
• Single Supply Voltage (max): Not RequiredV
• Dual Supply Voltage (min): 4.5/6.5V
• Dual Supply Voltage (max): 5.5/22.5V
• Operating Temp Range: -40C to 85C
• Operating Temperature Classification: Industrial
• Mounting: Surface Mount
• Pin Count: 64
• Package Type: LFCSP EP
• For Use With: EVAL-AD1994EBZ - BOARD EVAL FOR AD1994
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Figure 34. Power Efficiency vs. Output Power, Stereo Mode, PVDD = 12 V
–100
–110
–120
–130
–140
–10
–20
–30
–40
–50
–60
–70
–80
–90
Figure 36. Power Supply Rejection Ratio (PSRR) vs. Frequency
100
20
10
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
90
80
70
60
50
40
30
20
10
0
0
20
0.1
0
0
Output Power, Stereo Mode, PVDD = 12 V
2
50
Figure 35. On-Chip Power Dissipation vs.
100
4
OUTPUT POWER PER CHANNEL (W)
OUTPUT POWER PER CHANNEL (W)
2 x8Ω LOAD
200
6
FREQUENCY (Hz)
2 x8Ω LOAD
8
1
500
10
1k
2 x4Ω LOAD
2 x4Ω LOAD
12
2k
14
2 x6Ω LOAD
2 x6Ω LOAD
5k
16
10
10k
18
20k
20
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Figure 37. Power Efficiency vs. Output Power, Mono Mode, PVDD = 12 V
100
250
200
150
100
Figure 39. Histogram Showing Manufacturing Variation of
90
80
70
60
50
40
30
20
10
50
8
7
6
5
4
3
2
1
0
0
0
0.1
100
0
R
120 140 160 180 200 220 240 260 280 300 320 340 360 380 400
DS-ON
Output Power, Mono Mode, PVDD = 12 V
Figure 38. On-Chip Power Dissipation vs.
5
of the Output MOSFETS at 25°C and 130°C
10
1 x4Ω LOAD
MOSFET ON-RESISTANCE (mΩ)
OUTPUT POWER (W)
OUTPUT POWER (W)
15
1 x4Ω LOAD
1
20
1 x2Ω LOAD
25
1 x2Ω LOAD
1 x3Ω LOAD
30
10
P-TYPE 25°C
N-TYPE 25°C
P-TYPE 130°C
N-TYPE 130°C
1 x3Ω LOAD
35
AD1994
40