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參數(shù)資料
| 型號(hào)： | TPA6021A4N |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 音頻控制 |
| 英文描述： | 2 CHANNEL(S), VOLUME CONTROL CIRCUIT, PDIP20 |
| 封裝： | ROHS COMPLIANT, PLASTIC, MS001-AD, DIP-20 |
| 文件頁(yè)數(shù)： | 19/25頁(yè) |
| 文件大小： | 1823K |
| 代理商： | TPA6021A4N |
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RECOMMENDED OPERATING CONDITIONS
ELECTRICAL CHARACTERISTICS
OPERATING CHARACTERISTICS
TPA6021A4
SLOS465 – JUNE 2005
MIN
MAX
UNIT
VSS
Supply voltage, VDD, PVDD
4
5.5
V
SE/BTL, FADE
0.8 x VDD
V
VIH
High-level input voltage
SHUTDOWN
2
V
SE/BTL, FADE
0.6 x VDD
V
VIL
Low-level input voltage
SHUTDOWN
0.8
V
TA
Operating free-air temperature
–40
85
°C
T
A = 25°C, VDD = PVDD = 5.5 V (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
VDD = 5.5 V, Gain = 0 dB, SE/BTL = 0 V
30
mV
| VOO |
Output offset voltage (measured differentially)
VDD = 5.5 V, Gain = 20 dB, SE/BTL = 0 V
50
mV
PSRR
Power supply rejection ratio
VDD = PVDD = 4 V to 5.5 V
–42
–70
dB
High-level input current (SE/BTL, FADE, SHUT-
VDD = PVDD = 5.5 V,
| IIH |
1
A
DOWN, VOLUME)
VI = VDD = PVDD
Low-level input current (SE/BTL, FADE, SHUT-
| IIL |
VDD = PVDD = 5.5 V, VI = 0 V
1
A
DOWN, VOLUME)
VDD = PVDD = 5.5 V, SE/BTL = 0 V,
6
7.5
9
SHUTDOWN = 2 V
IDD
Supply current, no load
mA
VDD = PVDD = 5.5 V, SE/BTL = 5.5 V,
3
5
6
SHUTDOWN = 2 V
VDD = 5 V = PVDD, SE/BTL = 0 V,
IDD
Supply current, max power into a 4-
load
SHUTDOWN = 2 V, RL = 4 ,
1.3
ARMS
PO = 2 W, stereo
IDD(SD)
Supply current, shutdown mode
SHUTDOWN = 0 V
1
20
A
T
A = 25°C, VDD = PVDD = 5 V, RL = 4 , Gain = 20 dB, Stereo, External Heatsink (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
THD = 1%, f = 1 kHz
1.5(1)
PO
Output power
W
THD = 10%, f = 1 kHz, VDD = 5 V
2(1)
THD+N
Total harmonic distortion + noise
PO = 1 W, RL = 8 , f = 20 Hz to 20 kHz
<0.8%
VOH
High-level output voltage
RL = 8 , Measured between output and VDD = 5.5 V
700
mV
RL = 8 , Measured between output and GND,
VOL
Low-level output voltage
400
mV
VDD = 5.5 V
V(Bypass)
Bypass voltage (Nominally VDD/2)
Measured at pin 16, No load, VDD = 5.5 V
2.65
2.75
2.85
V
BTL
–82
dB
Supply ripple rejection ratio
f = 1 kHz, Gain = 0 dB, C(BYP) = 0.47 F
SE
–57
dB
f = 20 Hz to 20 kHz, Gain = 0 dB,
Noise output voltage
BTL
36
VRMS
C(BYP) = 0.47 F
ZI
Input impedance (see Figure 18)
VOLUME = 5 V
14
k
(1)
Requires an external heatsink with
θ
SA ≤ 25°C/W.
3
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