Texas Instruments TAS5176DDW6 Evaluation Module TAS5176DDW6EVM TAS5176DDW6EVM 数据表
产品代码
TAS5176DDW6EVM
www.ti.com
4
TAS5176DDW6EVM Performance
TAS5176DDW6EVM Performance
Table 4. General Test Specifications
General Test Conditions
Notes
Output Stage Supply Voltage
28 V Laboratory Power Supply (EA-PS 7065-10A)
System Supply Voltage
15 V
Load Impedance Front/Satellites
8
Ω
Load Impedance Subwoofer
4
Ω
Input Signal
1-kHz Sine
Sampling Frequency
48 kHz
Gain Setting in TAS5086
0 dB
Measurement Filter
AES17
TI Input-USB Board
Input-USB Rev 10
EVM Configuration File
Version 1.00 TAS5176DDW6EVM Configuration (1.00).cfg
Table 5. TAS5086 Register Settings
(1)
Register
Register
Value Notes
Oscillator Trim Register
0x1B
00 Initiate factory trim
Split Cap Register
0x1A
1F Set split-cap charge period to 9.6 sec
Master Volume Register
0x07
4E Master volume set to -15 dB
Modulation Limit Register
0x10
04 Modulation Index set to 96.1%
PWM Start Register
0x18
3F Channel 1-6 set to start part 1
System Control Register
0x05
20 PWM start
(1)
These register settings are used for all tests, unless otherwise specified.
Table 6. Electrical Data
Electrical Data
Notes/Conditions
Ch 1-5 Output Power, 8
Ω
10 W 1 kHz, unclipped (0 dBFS), T
A
= 25
°
C
Ch 1-5 Output Power, 8
Ω
: (10% THD+N)
12 W 1 kHz, T
A
= 25
°
C
Ch 6 Output Power, 4
Ω
20 W 1 kHz, unclipped (0 dBFS), T
A
= 25
°
C
Ch 6 Output Power, 4
Ω
: (10% THD+N)
24 W 1 kHz, T
A
= 25
°
C
Ch 1-5 Maximum Peak Current
>4 A 1 kHz burst, 1
Ω
, R
OC
= 27 k
Ω
Ch 6 Maximum Peak Current
>6 A 1 kHz burst, 1
Ω
, R
OC
= 27 k
Ω
Ch 1-5 Damping Factor
16 1 kHz, relative to 8
Ω
load
Ch 6 Damping Factor
14 1 kHz, relative to 4
Ω
load
Output Stage Efficiency
88% 1 kHz, 2
×
7.5 W, 4
Ω
+ 1
×
16 W
System Supply Current
<150 mA 1 kHz, –60 dBFS signal (with TI Input-USB Board)
H-Bridge Supply Current
<100 mA 1 kHz, –60 dBFS signal
Total Board Idle Power Consumption
5 W H-Bridge supply + System supply, –60dBFS signal
TAS5176DDW6EVM
10
SLOU209A – September 2007 – Revised October 2007