參數(shù)資料
型號(hào)： LA4585M
廠商： Sanyo Electric Co.,Ltd.
英文描述： 3V preamplifier + power amplifier for Headphone Stereo Products(用于耳機(jī)立體聲的3V 前置放大器+功率放大器)
中文描述： 3V的前置放大器產(chǎn)品的立體聲耳機(jī)功率放大器（用于耳機(jī)立體聲的3V的前置放大器功率放大器）
文件頁數(shù)： 2/5頁
文件大?。?/td> 131K
代理商： LA4585M
No. 5661-2/5
LA4585M
Parameter
Symbol
Conditions
Ratings
Unit
min
typ
max
[PRE + LOW BOOST + PVSS + PWR]
Quiescent current
I
CCO
1
I
CCO
2
VG
T
Rg = 2.2 k
, low boost off, PVSS off
Rg = 2.2 k
, low boost on, PVSS on
V
O
= –5 dBm
12
12
62
15
15
64
21
21
67
mA
μA
dB
Voltage gain (closed loop)
[PRE AMP]
Voltage gain (open loop)
Voltage gain (closed loop)
Maximum output voltage
Total harmonic distortion
Equivalent input noise voltage
Crosstalk
VG
0
VG1
V
O
= –5 dBm
V
O
= –5 dBm
THD = 1 %, V
CC
= 1.8 V
V
O
= 0.2 V, VG = 40 dB/NAB
Rg = 2.2 k
, BPF = 20 Hz to 20 kHz
Rg = 2.2 k
, TUNE 1 kHz
Rg = 2.2 k
, V
CC
= 1.8 V, Vr = –20 dBm,
fr = 100 Hz
70
83
40
0.2
0.05
1.3
80
dB
dB
V
%
μV
dB
V
O
max1
THD1
V
NI
CT1
0.1
0.5
2.0
60
Ripple rejection ratio
SVRR
40
50
dB
[POWER AMP]
Output voltage
Voltage gain
Total harmonic distortion
Interchannel crosstalk
Output noise voltage
P
O
VG2
THD2
CT2
V
NO
1
THD = 10 %
V
O
= –5 dBm
P
O
= 1 mW
V
O
= –5 dBm, R
V
= 0
R
V
= 0
, BPF = 20 Hz to 20 kHz
R
= 0
, Vr = –20 dBm,
fr = 100 Hz, V
CC
= 1.8 V
23
27
34
29
0.4
40
25
mW
dB
%
dB
μV
32
1.0
30
40
Ripple rejection ratio
R
r
2
45
55
dB
Input resistance
DC offset voltage
[LOW BOOST]
Voltage gain
Ri
22
–90
30
38
k
mV
V
ODC OFF
Between pin 6 and pins 4 and 8
+90
VG3
BST1
BST2
V
O
max2
THD3
CT3
V
NO
2
Vi = –30 dBm, boost on/off
Vi
BST
= –30 dBm, f = 100 Hz, boost on
Vi
BST
= –30 dBm, f = 10 kHz, boost on
THD = 1%, boost on
V
O
= 0.1 V, boost on
V
O
= –20 dBm, Rg = 0, boost on
Rg = 0, BPF = 20 Hz to 20 kHz, boost on
Rg = 0, f
= 100 Hz, V
R
= –20 dBm,
V
CC
= 1.8 V, boost on
–2.3
11.2
7.0
0.25
–3.8
14.7
8.5
0.4
0.1
32
2.0
–5.3
18.2
10
dB
dB
dB
V
%
dB
μV
Boost
*
Maximum output voltage
Total harmonic distortion
Interchannel crosstalk
Output noise voltage
0.5
25
5.0
Ripple rejection ratio
R
r
3
45
53
dB
[LOW BOOST + PVSS + POWER] The following items are measured at an R
V
of 10 k
maximum.
Voltage gain
LOW BOOST output voltage
LOW BOOST output voltage
LOW BOOST total harmonic distortion
VG4
V
O
1
V
O
2
THD4
Vi = –40 dBm, f = 1 kHz, boost off/on
Vi = –43 dBm, f = 100 Hz, boost on
Vi = –28 dBm, f = 100 Hz, boost on
Vi = –40 dBm, f = 100 Hz, boost on
Rg = 0, CCIR-ARM, boost off, with the power
input switch K18 set to B.
Vi = –40 dBm, PVSS 2
The input amplitude between the start point and
the point where the output is +4 dB. PVSS on
Vi = –40 dBm, PVSS 2
PVSS 2
22
24
27
dB
V
V
%
0.13
0.25
0.23
0.40
0.5
0.33
0.55
1.2
Output noise voltage
V
NO
3
–88
–85
–82
dBm
PVSS voltage
V
O
3
–40
–37
–34
dBm
PVSS width
W
PVSS
30
40
dB
PVSS harmonic distortion
PVSS start input level
THD5
V
OPi
0.5
–63
1.2
–59
%
–67
dBm
Operating Characteristics
at Ta = 25°C, V
CC
= 3.0 V, fi = 1 kHz, 0.775 = 0 dBm, preamplifier R
L
= 10 k
,
low boost, power amplifier R
L
= 10
Note:
*
The amount of boost for a 1-kHz input.
相關(guān)PDF資料
PDF描述
LA4587 Tuning Fork Crystal; Frequency:32.768kHz; Crystal Terminals:Radial Leaded; ESR:35kohm; Leaded Process Compatible:No; Mounting Type:Through Hole; Peak Reflow Compatible (260 C):No; Number of Pins:2
LA4587M Tuning Fork Crystal; Frequency:32.768kHz; Frequency Tolerance:+/- 20 ppm; Load Capacitance:12.5pF; Crystal Terminals:PCB Surface Mount; ESR:50kohm; Leaded Process Compatible:No; Peak Reflow Compatible (260 C):No; Number of Pins:4
LA4589 1.5V Stereo Headphone Preamplifier and Power Amplifier
LA4589W XTAL, 32.768 KHZ SURFACE MOUNT WATCH CRYSTAL
LA4590W XTAL, 32.768KHZ 30PPM 12 P
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
LA4587 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:Preamplifier + Power Amplifier for 1.5 V Headphone Stereos
LA4587M 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:Preamplifier + Power Amplifier for 1.5 V Headphone Stereos
LA4589 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:1.5V Stereo Headphone Preamplifier and Power Amplifier
LA4589W 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:1.5V Stereo Headphone Preamplifier and Power Amplifier
LA4590W 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:1.5V Stereo Headphone Preamplifier and Power Amplifier
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