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參數(shù)資料
| 型號： | TA2002FN |
| 元件分類： | 音頻／視頻放大 |
| 英文描述： | 0.05 W, 2 CHANNEL, AUDIO AMPLIFIER, PDSO24 |
| 封裝： | SSOP-24 |
| 文件頁數(shù)： | 18/18頁 |
| 文件大?。?/td> | 458K |
| 代理商： | TA2002FN |
TA2002F / FN
2002-10-30
9
Electrical Characteristics
Unless Otherwise Specified: VCC = 3V, f = 1kHz, Ta = 25°C, SW1: a, SW2: a, SW3:
OPEN, SW8: ON
Preamplifier Stage: Rg = 2.2k, RL = 10k, SW2: OPEN, SW4: ON / OPEN, SW5: a / b,
SW6: a
Power Amplifier Stage: Rg = 600, RL = 16k, SW3: ON, SW7: a
Characteristic
Sym
-
bol
Test
Cir
-
cuit
Test Condition
Min.
Typ.
Max.
Unit
ICCQ1
Power off, SW1: b, SW2: b
SW3: ON
―
5
A
ICCQ2
Power amp. off, SW2: b
―
5
9
Quiescent current
ICCQ3
―
Vin = 0
―
11.5
16.5
mA
Voltage gain
GV
25
27
29
Channel balance
CB
VO = -12dBV
―
0
1.5
dB
PO1
RL = 16
35
50
―
Output power
PO2
THD = 10%
RL = 32
―
33
―
mW
Total harmonic distortion
THD1
PO = 1mW
―
0.2
0.8
%
Output noise voltage
Vno
Rg = 600, SW7: b
―
22
40
Vrms
Ripple rejection ratio
RR1
fr = 100Hz, Vr = -22dBV
SW8: OPEN
45
62
―
Cross talk (CH
-A / CH-B)
CT1
VO = -12dBV
35
42
―
P
ower
am
pl
ifi
er
st
age
Power muting
attenuation
ATT1
―
VO = -12dBV, SW2: a→b
―
80
―
dB
Open loop voltage gain
GVO
VO = -12dBV, SW6: b
70
80
―
Closed loop voltage gain
GVC
VO = -12dBV
―
35
―
dB
Maximum output voltage
Vom
THD = 1%
600
850
―
mVrms
Total harmonic distortion
THD2
VO = -12dBV
―
0.02
0.1
%
Equivalent input noise
voltage
Vni
Rg = 2.2k, BPF = 20Hz~20kHz
SW5: c
NAB (GV = 35dB, f = 1kHz)
―
1.3
2.8
Vrms
Cross talk (CH
-A / CH-B)
CT2
―
70
―
Cross talk
(forward / reverse)
CT3
VO = -12dBV
―
70
―
P
ream
pl
ifi
er
s
tage
Pre muting attenuation
ATT2
―
VO = -12dBV, SW3: OPEN→ON
―
80
―
dB
Ripple filter output voltage
VRF
VCC = 2V, IRF = 0mA
1.76
1.8
―
V
Ripple rejection ratio of
ripple filter output
RR2
―
VCC = 2V, IRF = 10mA
fr = 100Hz, Vr = -22dBV
SW8: OPEN
45
53
―
dB
Power on
current
I8
VCC = 1.8V, V24 ≥ 0.5V
5
―
A
Power on / off
switch
Power off
voltage
V8
―
VCC = 1.8V, V24 ≤ 0.3V
0
―
0.3
V
Mute off
current
I9
VCC = 1.8V, ATT1 ≥ 3dB
5
―
A
Power amp.
mute switch
Mute on
voltage
V9
―
VCC = 1.8V, ATT1 ≥ 60dB
0
―
0.3
V
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