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参数资料
| 型号： | TPA2008D2PWPRG4 |
| 厂商： | Texas Instruments |
| 文件页数： | 22/26页 |
| 文件大小： | 0K |
| 描述： | IC AMP AUDIO PWR 3W STER 24TSSOP |
| 标准包装： | 2,000 |
| 类型： | D 类 |
| 输出类型： | 2 通道（立体声） |
| 在某负载时最大输出功率 x 通道数量： | 3W x 2 @ 3 欧姆 |
| 电源电压： | 4.5 V ~ 5.5 V |
| 特点： | 消除爆音，差分输入，短路和热保护，关机，音量控制 |
| 安装类型： | 表面贴装 |
| 供应商设备封装： | 24-HTSSOP |
| 封装/外壳： | 24-TSSOP（0.173"，4.40mm）裸露焊盘 |
| 包装： | 带卷 (TR) |
| 配用： | 296-18922-ND - EVAL MODULE FOR TPA2008D2 |
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DISSIPATION RATINGS TABLE
RECOMMENDED OPERATING CONDITIONS
ELECTRICAL CHARACTERISTICS
OPERATING CHARACTERISTICS
TPA2008D2
SLOS413C – JULY 2003 – REVISED MAY 2004
PACKAGE
TA≤ 25°C
DERATING FACTOR
TA = 70°C
TA = 85°C
PWP
2.18 W
21.8 mW/
°C
1.2 W
872 mW
MIN
MAX
UNIT
VDD
Supply voltage
4.5
5.5
V
Volume terminal voltage
0
VDD
V
VIH
High-level input voltage
SHUTDOWN
2
V
VIL
Low-level input voltage
SHUTDOWN
0.8
V
PWM frequency
200
300
kHz
TA
Operating free-air temperature
-40
85
°C
TJ
Operating junction temperature
125
°C
T
A= 25°C, VDD = PVDD = 5 V (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
| VOS |
Output offset voltage (measured differentially)
VI = 0 V, AV = 20 dB, RL = 8
5
25
mV
PSRR
Power supply rejection ratio
VDD = PVDD = 4.5 V to 5.5 V
-70
dB
| IIH |
High-level input current
VDD = PVDD = 5.5 V, VI= VDD = PVDD
1
A
| IIL |
Low-level input current
VDD = PVDD = 5.5 V, VI = 0 V
1
A
IDD
Supply current
No filter (no load)
7
15
mA
IDD(max)
RMS supply current at max power
RL = 3 , PO = 2.5 W/channel (stereo)
1.8
A
IDD(SD)
Supply current in shutdown mode
SHUTDOWN = 0 V
50
1000
nA
High side
450
600
VDD = 5 V, IO = 500 mA,
rds(on)
Drain-source on-state resistance
m
TJ= 25°C
Low side
450
600
T
A= 25°C, VDD = PVDD = 5 V, RL = 3 , Gain = 0 dB (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNITS
THD+N = 1%
2.5
f = 1 kHz, RL = 3 , Stereo
PO
Output power
W
operation
THD+N = 10%
3
PO = 2.2 W, f = 20 Hz to 20 kHz
<0.3%
THD+N
Total harmonic distortion plus noise
PO = 1.5 W, f = 1 kHz
0.045%
BOM
Maximum output power bandwidth
THD = 5%
20
kHz
SNR
Signal-to-noise ratio
Maximum output at THD+N <0.5%
96
dB
Thermal trip point
150
°C
Thermal hysteresis
20
°C
Volume = 0 dB
42
20 Hz to 20 kHz, inputs ac
Vn
Integrated noise floor
Vrms
grounded
Volume = 20 dB
85
5
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