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MA6160FN の電気的特性と機能

MA6160FNのメーカーはToshibaです、この部品の機能は「Low Consumption Current Stereo Headphone Amplifier」です。


製品の詳細 ( Datasheet PDF )

部品番号 MA6160FN
部品説明 Low Consumption Current Stereo Headphone Amplifier
メーカ Toshiba
ロゴ Toshiba ロゴ 




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MA6160FN Datasheet, MA6160FN PDF,ピン配置, 機能
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Toshiba Bipolar Integrated Circuit Silicon Monolithic
TA2160FN
Low Consumption Current Stereo Headphone Amplifier (1.5/3 V use)
TA2160FN
The TA2160FN is low consumption current stereo headphone
amplifier IC for headphone stereo. It is suitable for 1.5 V or 3 V
headphone stereo.
Features
· Low consumption current
Current value (f = 1 kHz, RL = 32 , Ta = 25°C, typ.)
· VCC = 1.3 V
ICCQ = 1.6 mA (No signal)
ICC = 4.6 mA (0.1 mW × 2 ch)
ICC = 8.6 mA (0.5 mW × 2 ch)
· VCC = 3 V
ICCQ = 3.0 mA (No signal)
ICC = 4.8 mA (0.1 mW × 2 ch)
ICC = 8.8 mA (0.5 mW × 2 ch)
· Built-in ripple filter
· Preamplifier stage
· Built-in input capacitor for reducing buzz noise
· Input coupling condensor-less
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· Built-in preamplifier mute
· Power amplifier stage
· Built-in bass boost function with AGC
· Built-in treble boost function
· Built-in input capacitor for reducing buzz noise
· GV = 25dB (typ.)
· Built-in power amplifier mute
· Operating supply voltage range (Ta = 25°C)
VCC (opr) = 0.95 to 4.5 V
Weight: 0.17 g (typ.)
DataShee
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MA6160FN pdf, ピン配列
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TA2160FN
Terminal Explanation (terminal voltage: typical terminal voltage at no signal with test
circuit, VCC = 1.3 V, Ta = 25°C)
Terminal
No. Name
Function
Internal Circuit
Termin
al
Voltage
(V)
1 PRE OUTB
4 PRE OUTA
Input of preamplifier
0.44
17 OUTB
4
18 OUTC
Output of power amplifier
0.56
19 OUTA
2 PRE NFB
3 PRE NFA
29 INA
30 INB
NF of preamplifier
Input of preamplifier
VREF
500 W 10 pF
29
3
0.7
0.73
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5 VREF
27 VREF IN
Reference circuit
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27
Input of reference circuit
6 PRE GND
7 BST SW
12 PW MUTE
¾
Boost on/off switch
BST on: H level or open
BST off: L level
Refer to application note 3 (2)
This switch is the control terminal of
the bass boost function. When it is
synchronized with treble boost
function, the external connection with
the PW NF terminal is required. Refer
to application circuit.
Muting switch of power amplifier
PW MUTE OFF: H level or open
PW MUTE ON: L level
Refer to application note 3 (2)
5
¾
20 kW
7
0.73
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0.73
0
¾
¾
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MA6160FN 電子部品, 半導体
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TA2160FN
Application Note
1. Preamplifier Stage
Output DC voltage of preamplifier
Output DC voltage of preamplifier is determined by external resistors R1 and R2 as shown in
Figure 1.
DV = 28.6 mV
R1 R2
VREF
Figure 1 Output DC Voltage of Preamplifier
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VO (PRE) = VREF - DV ´ (R2/R1 + 1)
· VREF = 0.73 V (typ.)
VREF is changed when resistance is connected between RF OUT terminal and VREF IN terminal
(Refer to application note 3 (1)).
· DV is an offset voltage which is designed to 28.6 mV.
It is as follows in case that the DC voltage is calculated by the constant of a test circuit.
VO (PRE) = 0.73 V - 28.6 mV (200 kW/22 kW + 1)
= 0.44 V
Output DC voltage of preamplifiDerasthaoSuhledebte4Ufix.ceodmabout VCC/2, because preamplifier get a enough
dynamic range.
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2. Power Amplifier Stage
(1) Input of power amplifier
Each input signal should be applied through a capacitor. In case that DC current or DC voltage is
applied to each amplifier, the internal circuit has unbalance and the each amplifier doesn’t operate
normally.
It is advised that input signal refer to VREF voltage, in order to reduce a pop noise or low frequency
leak.
(2) Bass boost function
(a) System
This IC has the bass boost function in power amplifier stage. After this system adds the low
frequency ingredient of side amplifier, it is applied into the center amplifier. And the bass boost
level is controlled by the variable impedance circuit (Figure 2)
· Flow of the bass boost signal
Variable impedance circuit ® Boost amplifier ® Center amplifier
· Flow of the bass boost level
Output of center amplifier ® AGC DET (level detection) ® Variable impedance
circuit operation
The system of treble boost function is realized by frequency characteristic adjustment of the
side amplifier.
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部品番号部品説明メーカ
MA6160FN

Low Consumption Current Stereo Headphone Amplifier

Toshiba
Toshiba


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