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参数资料
| 型号： | TA2123AFG |
| 元件分类： | 音频／视频放大 |
| 英文描述： | 0.006 W, 2 CHANNEL, AUDIO AMPLIFIER, PQFP48 |
| 封装： | 7 X 7 MM, 0.50 MM PITCH, PLASTIC, LQFP-48 |
| 文件页数： | 14/20页 |
| 文件大小： | 430K |
| 代理商： | TA2123AFG |
TA2123AFG
2004-12-01
3
Terminal Explanation
(terminal voltage: Typical terminal voltage at no signal with test circuit, VCC = 1.3V,
Ta = 25°C)
Terminal
No.
Name
Function
Internal Circuit
Terminal
Voltage
(V)
1
INAF
2
INBF
4
INBR
5
INAR
Input of preamplifier
F / R SW (pin 44)
“L” level: Pin 1 / 2
“H” level: Pin 4 / 5
Refer to application note 3 (2)
0.73
6
PRE NFA
11
PRE NFB
NF of preamplifier
1
65
FWD
VREF OUT
REV
5pF
10pF
5pF 10pF
500
FWD REV
0.7
3
VREF OUT
Output of reference circuit
48
VREF IN
Input of reference circuit
48
3
+
+
0.73
7
PRE OUTA
10
PRE OUTB
Output of preamplifier
7
0.44
8
MTL DRVA
9
MTL DRVB
Metal driver terminal
On resistance: 90 (typ.)
8
—
12
AMS IN
Input of mixer amplifier for AMS
signal
0.7
14
AMS MIX
Output of mixer amplifier for AMS
signal
14
12
VREF OUT
0.7
13
AMS SW
AMS sensitivity changeover switch
(this switch synchronizes with the
MT SW)
13
VREF OUT
MT SW ON : CURRENT SOURCE→ON
MT SW OFF : CURRENT SOURCE→OFF
—
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