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參數資料
型號: TFA9812HN/N1,557
廠商: NXP SEMICONDUCTORS
元件分類: 音頻/視頻放大
英文描述: 15 W, 2 CHANNEL, AUDIO AMPLIFIER, PQCC48
封裝: 7 X 7 MM, 0.85 MM HEIGHT, PLASTIC, MO-220, SOT619-8, HVQFN-48
文件頁數: 40/66頁
文件大小: 386K
代理商: TFA9812HN/N1,557
TFA9812_2
NXP B.V. 2009. All rights reserved.
Preliminary data sheet
Rev. 02 — 22 January 2009
45 of 66
NXP Semiconductors
TFA9812
BTL stereo Class-D audio amplier with I2S input
VOH
HIGH-level output
voltage
At IOH = 0.4 mA
VDDD(3V3) 0.4 V -
-
V
VOL
LOW-level output
voltage
At IOL = 4 mA
-
400
mV
CL
load capacitance
-
50
pF
SDA/MS, SCL/SFOR pin
VIH
HIGH-level input
voltage
With respect to VSS2
0.7
× V
DDD(3V3)
-
5.5
V
VIL
LOW-level input
voltage
With respect to VSS2
0.3
-
0.3
× V
DDD(3V3)
V
Vhys(i)
input hysteresis
voltage
With respect to VSS2
0.1
× V
DDD(3V3)
--
V
Ci
input capacitance
-
2.5
pF
VOL
LOW-level output
voltage
At IOL = 3 mA
-
400
mV
ENABLE, GAIN, CSEL, ADSEL2/PLIM2, ASEL1/PLIM1 pin
VIH
HIGH-level input
voltage
With respect to VSS2
0.7
× VDDD(3V3)
--
V
VIL
LOW-level input
voltage
With respect to VSS2
-
0.3
× VDDD(3V3) V
Vhys(i)
input hysteresis
voltage
With respect to VSS2
0.1
× VDDD(3V3)
--
V
II
input current
-
50
93
A
Regulators
Vo
output voltage
STAB1
VSS1
10
11
12
V
STAB2
VSS1
10
11
12
V
STABA
REFA
1.65
1.8
1.95
V
STABD
REFD
1.65
1.8
1.95
V
CDELAY pin
VCDELAY
voltage on pin
CDELAY
Relative to positive
analog power supply
-VDDA 1-
V
Crystal pins
Vo(xtal)(p-p)
peak-to-peak crystal
oscillator output
voltage
With respect to VSS2
-
1.8
-
V
AVOL pin
Vi
input voltage
Mute level, with respect
to VSS2
0.77
0.8
0.83
V
0 dB level with respect
to VSS2
2.74
2.8
2.86
V
II
input current
-
1
A
Table 55.
DC characteristics …continued
Unless specied otherwise, VDDA =VDDP = 12 V, VSSP1 = VSSP2 = 0 V, VDDA(3V3) =VDDD(3V3) = 3.3 V,
VSS1 =VSS2 = REFD = REFA = 0 V, Tamb =25 °C, RL =8 , fi = 1 kHz, fs = 44.1 kHz, fsw = 400 kHz, 24-bit I2S input data,
MCLK clock mode, typical application diagram (Figure 13).
Symbol
Parameter
Condition
Min
Typ
Max
Unit
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