參數(shù)資料
型號(hào)： TPA3002D2PHP
廠商： TEXAS INSTRUMENTS INC
元件分類(lèi)： 音頻控制
英文描述： 2 CHANNEL(S), VOLUME CONTROL CIRCUIT, PQFP48
封裝： GREEN, PLASTIC, HTQFP-48
文件頁(yè)數(shù)： 37/40頁(yè)
文件大?。?/td> 735K
代理商： TPA3002D2PHP
TPA3002D2
SLOS402C DECEMBER 2002 REVISED JANUARY 2004
www.ti.com
6
DC ELECTRICAL CHARACTERISTICS
TA = 25°C, VCC = 12 V, RL = 8 (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
| VOS |
Class-D Output offset voltage
(measured differentially)
INN and INP connected together,
Gain = 36 dB
10
65
mV
V2P5 (terminal 4)
2.5-V Bias voltage
No load
0.45x
AVDD
0.5x
AVDD
0.55x
AVDD
V
AVDD
5-V Regulated output
IO = 0 to 100 mA, SD = 2 V,
VCC = 8 V to 14 V
4.5
5.0
5.5
V
PSRR
Class-D power supply rejection ratio
VCC = 11.5 V to 12.5 V
80
dB
ICC(class-D)
Class-D mode quiescent current
MODE = 2 V, SD = 2 V
16
28.5
mA
ICC(varout)
Variable output mode quiescent current
MODE = 3.5 V, SD = 2 V
7
9
mA
ICC(class-D – max power)
Class-D mode RMS current at max
power
RL = 8 , PO = 9 W
2
A
ICC(SD)
Supply current in shutdown mode
SD = 0.8 V
1
10
uA
VCC = 12 V,
High side
300
rds(on)
Drain-source on-state resistance
VCC = 12 V,
IO = 1 A,
T = 25 C
Low side
250
m
rds(on)
Drain-source on-state resistance
IO = 1 A,
TJ = 25°C
Total
550
590
m
AC ELECTRICAL CHARACTERISTICS FOR CLASS-D OUTPUTS
TA = 25°C, VCC = 12 V, RL = 8 (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNITS
kSVR
Supply ripple rejection ratio
VCC = 11.5 V to 12.5 V from 10 Hz to 1 kHz,
Gain = 36 dB
67
dB
PO
Continuous output power
THD+N = 1%, f = 1 kHz, RL = 8
7.5
W
PO
Continuous output power
THD+N = 10%, f = 1 kHz, RL = 8
9
W
20 Hz to 22 kHz, No filter, Gain = 0.5 dB
79
V
Vn
Output integrated noise floor
20 Hz to 22 kHz, No filter, Gain = 0.5 dB
82
dBV
Vn
Output integrated noise floor
20 Hz to 22 kHz, A-weighted filter,
100
V
20 Hz to 22 kHz, A-weighted filter,
Gain = 13.2 dB
80
dBV
Crosstalk, Class-DLeft
→ Class-DRight
Gain = 13.2 dB, PO = 1 W, RL = 8
77
dB
Crosstalk, Class-D
→ VAROUT
Maximum output at THD < 0.5%, Gain = 36 dB
63
dB
SNR
Signal-to-noise ratio
Maximum output at THD+N < 0.5%,
f= 1 kHz, Gain = 36 dB
96
dB
Thermal trip point
150
°C
Thermal hystersis
20
°C
CHARACTERISTICS FOR VAROUT OUTPUTS
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNITS
|VOS|
Output offset voltage
Measured between V2P5 and VAROUT,
Gain = 20 dB, RL = 10 k
10
mV
THD+N
Total harmonic distortion + noise
AV = 7.3 dB, f = 1 kHz, PO = 6 mW, RL = 32
0.025%
THD+N
Total harmonic distortion + noise
AV = 7.3 dB, f = 1 kHz, RL = 2 k, VO = 1 Vrms
0.002%
PSRR
DC power supply rejection ratio
Gain = 20 dB
74
dB
kSVR
Supply ripple rejection ratio
Gain = 20 dB, f = 1 kHz
95
dB
Crosstalk, VAROUTL
→ VAROUTR
Maximum output at THD < 0.5%, Gain = 20 dB
60
dB
Crosstalk, VAROUT
→ Class-D
Maximum output at THD < 0.5%, Gain = 20 dB
74
dB
Vn
Output integrated noise floor
20 Hz to 22 kHz, Gain = 20 dB
75
V
Vn
Output integrated noise floor
20 Hz to 22 kHz, Gain = 0.3 dB
15
V
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