D2-45157-QR-T Intersil, D2-45157-QR-T Datasheet - Page 14

• Manufacturer Part Number: D2-45157-QR-T
• Description: IC DGTL AMP PWM CTRLR 68QFN
• Manufacturer: Intersil
• Series: D2Audio™r
• Type: Class Dr

Specifications of D2-45157-QR-T

• Output Type: 2-Channel (Stereo)
• Max Output Power X Channels @ Load: 30W x 2 @ 8 Ohm
• Voltage - Supply: 9 V ~ 26 V
• Mounting Type: Surface Mount
• Package / Case: 68-VFQFN Exposed Pad
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Features: -

Typical Performance Characteristics
Test Considerations
• Typical performance measurements are made using an Audio Precision™ 2700 Series audio analyzer.
• Precision power resistors are used for the 8Ω loudspeaker loads
• Measurements are done using a +HV supply of +24.0VDC.
Full-Bridge Typical Performance Curves
10.00
FIGURE 6. FREQUENCY RESPONSE, FULL-BRIDGE
5.00
2.00
1.00
0.50
0.20
0.10
0.05
0.02
0.01
-0
-1
-2
-3
-4
-5
-6
6
5
4
3
2
1
0.06
FIGURE 4. THD vs POWER, FULL-BRIDGE
30
HVDD = 24.0V,
8Ω LOAD, 1kHz
HVDD = 24.0V,
8Ω LOAD, 3.5W
0.1
50
0.2
100 200
0.5
FREQUENCY (Hz)
14
POWER (W)
1
500
2
1k
2k
5
D2-45057, D2-45157
10
5k
20
10k
50
1.000
0.500
0.200
0.100
0.050
0.020
0.010
0.005
0.002
0.001
-100
-105
-110
-120
-115
-50
-55
-60
-65
-70
-75
-80
-85
-90
-95
FIGURE 5. THD vs FREQUENCY, FULL-BRIDGE
-60
20
FIGURE 7. NOISE FLOOR, FULL-BRIDGE
HVDD = 24.0V, 8Ω LOAD,
AT 1W, 7W, 14W, 25W POWER OUT
HVDD = 24.0V, 8Ω LOAD,
AT 1kHz, REFERENCE TO 30W
P = 7W
-55 -50 -45 -40 -35 -30 -25 -20 -15 -10 -5
< -115dB, UN-WEIGHTED
50
100 200
P = 1W
FREQUENCY (Hz)
500
dBFS
P = 25W
P = 14W
1k
2k
5k
July 29, 2010
10k
FN6785.0
20k
+0