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參數(shù)資料
| 型號(hào)： | SM6453AB |
| 廠商： | Seiko NPC Corporation |
| 英文描述： | 3-wire Serial Data Volume Control for Headphone Amplifiers IC |
| 中文描述： | 3線串行數(shù)據(jù)音量控制的耳機(jī)放大器集成電路 |
| 文件頁(yè)數(shù)： | 1/12頁(yè) |
| 文件大?。?/td> | 146K |
| 代理商： | SM6453AB |
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SM6453AB
NIPPON PRECISION CIRCUITS—1
NIPPON PRECISION CIRCUITS INC.
3-wire Serial Data Volume Control for Headphone Amplifiers IC
OVERVIEW
The SM6453AB is a 3-wire serial data volume control for headphone amplifiers with built-in electronic vol-
function (AGC), power-down function, and beep input, making it ideal for use in portable electronic products.
FEATURES
I
2 stereo system inputs, 1 output system
12mW + 12mW output (standard, 16
supply voltage)
Attenuation function
1.0dB step width
80-step
+ 12 to – 68dB variable range
Mute function
Low current consumption (2.3mA total, 2.4V sup-
ply voltage)
12dB voltage gain
Bass boost function (2 boost characteristics con-
trolled by external RC network)
Auto gain control function (AGC)
Beep sound input/output circuit
Power-down function
1.9 to 3.6V operating supply voltage range
Silicon-gate CMOS process
I
load, 2.0V
I
I
I
I
I
I
I
I
I
I
ORDERING INFORMATION
PINOUT
(Top view)
PACKAGE DIMENSIONS
(Unit: mm)
32-pin QFN
Device
Package
SM6453AB
32-pin QFN
1
2
3
4
5
13
12
11
10
A
L
L
16
15
14
28
29
30
31
32
26
27
V
R
R
A
A
L
D
B
B
D
D
MLEN
MCK
MDT
RSTN
MUTEN
PDN
BEEPI
VREF1
VREF2
6
7
8
25
24
23
22
21
20
19
18
9
BSTO
BEEPLO
LOUT
AVSS2
AVDD2
AVDD3
AVSS3
ROUT
BEEPRO
17
TBD
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| SM6453AB_02 | 制造商:NPC 制造商全稱(chēng):Nippon Precision Circuits Inc 功能描述:3-wire Serial Data Volume Control for Headphone Amplifier IC |
| SM645HRK | 制造商:MICROSEMI 制造商全稱(chēng):Microsemi Corporation 功能描述:SWITCHING REGULATOR POWER OUTPUT STAGES |
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| SM646HRK | 制造商:MICROSEMI 制造商全稱(chēng):Microsemi Corporation 功能描述:SWITCHING REGULATOR POWER OUTPUT STAGES |
| SM646K | 制造商:MICROSEMI 制造商全稱(chēng):Microsemi Corporation 功能描述:SWITCHING REGULATOR POWER OUTPUT STAGES |
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