參數(shù)資料
型號： TAS5028APAGRG4
廠商： Texas Instruments, Inc.
英文描述： 8 Channel Digital Audio PWM Processor
中文描述： 8通道數(shù)字音頻PWM處理器
文件頁數(shù)： 42/82頁
文件大?。?/td> 1226K
代理商： TAS5028APAGRG4
Electrical Specifications
35
SLES120
September 2004
TAS5028A
3
Electrical Specifications
3.1
Absolute Maximum Ratings
UNITS
Supply voltage, DVDD and DVD_PWM
Supply voltage, AVDD_PLL
3.3-V digital input
5 V tolerant
(2)
digital input
1.8 V LVCMOS
(3)
Input clamp current, I
IK
(V
I
< 0 or V
I
> 1.8 V
Output clamp current, I
OK
(V
O
< 0 or V
O
> 1.8 V)
Operating free air temperature
Storage temperature range, T
stg
–0.3 V to 3.6 V
–0.3 V to 3.6 V
–0.5 V to DVDD + 0.5 V
–0.5 V to 6 V
–0.5 V to VREF
(1)
+ 0.5 V
±
20 mA
±
20 mA
0
°
C to 70
°
C
–65
°
C to 150
°
C
Input voltage
Stresses beyond those listed under “absolute maximum ratings” may cause permanent damage to the device. These are stress ratings only and
functional operation of the device at these or any other conditions beyond those indicated under “recommended operating conditions” is not
implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.
NOTES:
1. VREF is a 1.8-V supply derived from regulators internal to the TAS5028A chip. VREF is on terminals VRA_PLL, VRD_PLL,
VR_DPLL, VR_DIG, and VR_PWM. These terminals are provided to permit use of external filter capacitors, but should not be used
to source power to external devices.
2. 5-V tolerant inputs are RESET, PDN, MUTE, HP_SEL, SCLK, LRCLK, MCLK, SDIN1, SDIN2, SDIN3, SDIN4, SDA, and SCL.
3. VRA_PLL, VRD_PLL, VR_DPLL, VR_DIG, VR_PWM
DISSIPATION RATING TABLE (High-k Board, 105 C Junction)
T
A
≤
25 C
POWER RATING
ABOVE T
A
= 25 C
1869 mW
23.36 mW/
°
C
PACKAGE
DERATING FACTOR
T
A
= 70 C
POWER RATING
PAG
818 mW
3.2
Dynamic Performance (At Recommended Operating Conditions at 25 C)
PARAMETER
TEST CONDITIONS
Dynamic range
TAS5028A + TAS5111 A-weighted (Fs = 48 kHz)
TAS5111 A at 1 W
TAS5028A ouput
32-kHz to 96-kHz sample rates
176.4, 192-kHz sample rates
MIN
NOM
102
0.1%
0.01%
±
0.1
±
0.2
MAX
UNITS
dB
Total harmonic distortion
Frequency response
dB
3.3
Recommended Operating Conditions (Over 0 C to 70 C)
MIN
NOM
3.3
3.3
MAX
UNITS
V
V
Digital supply voltage, DVDD and DVDD_PWM
Analog supply voltage, AVDD_PLL
3
3
2
2
3.6
3.6
3.3 V
5
V tolerant
(4)
1.8
V LVCMOS (XTL_IN)
3.3 V
5-V tolerant
(4)
1.8
V (XTL_IN)
High-level input voltage, V
High level input voltage, V
IH
V
1.26
0.8
0.8
0.54
70
105
Low-level input voltage, V
Low level input voltage, V
IL
V
Operating ambient air temperature range, T
A
Operating junction temperature range, T
J
NOTE 4: 5-V tolerant inputs are SDA, SCL, RESET, PDN, MUTE, HP_SEL, SCLK, LRCLK, MCLK, SDIN1, SDIN2, SDIN3, and SDIN4.
0
0
25
°
C
°
C
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