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參數(shù)資料
| 型號： | LM1894MT |
| 文件頁數(shù)： | 2/10頁 |
| 文件大?。?/td> | 291K |
| 代理商： | LM1894MT |
Absolute Maximum Ratings
(Note 1)
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
Supply Voltage
Input Voltage Range, V
pk
Operating Temperature (Note 2)
Storage Temperature
Soldering Information
Dual-In-Line Package
Soldering (10 seconds)
20V
V
S
/2
0C to +70C
65C to +150C
260C
Small Outline Package
Vapor Phase (60 seconds)
Infrared (15 seconds)
See AN-450 “Surface Mounting Methods and Their Effect
on Product Reliability” for other methods of soldering
surface mount devices.
Note 1:
“Absolute Maximum Ratings” indicate limits beyond which damage
to the device may occur. Operating Ratings indicate conditions for which the
device is functional, but do not guarantee specific performance limits.
215C
220C
Electrical Characteristics
V
S
= 8V, T
A
= 25C, V
IN
= 300 mV at 1 kHz, circuit shown in Figure 1 unless otherwise specified
Parameter
Operating Supply Range
Supply Current
V
S
= 8V
MAIN SIGNAL PATH
Voltage Gain
DC Ground Pin 9, (Note 3)
DC Output Voltage
Channel Balance
DC Ground Pin 9
Minimum Balance
AC Ground Pin 9 with 0.1 μF
Capacitor, (Note 3)
Maximum Bandwidth
DC Ground Pin 9, (Note 3)
Effective Noise Reduction
CCIR/ARM Weighted, (Note 4)
Total Harmonic Distortion
DC Ground Pin 9
Input Headroom
Maximum V
IN
for 3% THD
AC Ground Pin 9
Output Headroom
Maximum V
OUT
for 3% THD
DC Ground Pin 9
Signal to Noise
BW = 20 Hz–20 kHz, re 300 mV
AC Ground Pin 9
DC Ground Pin 9
CCIR/ARM Weighted re 300 mV
(Note 5)
AC Ground Pin 9
DC Ground Pin 9
CCIR Peak, re 300 mV, (Note 6)
AC Ground Pin 9
DC Ground Pin 9
Input Impedance
Pin 2 and Pin 13
Channel Separation
DC Ground Pin 9
Power Supply Rejection
C14 = 100 μF,
V
RIPPLE
= 500 mVrms,
f = 1 kHz
Output DC Shift
Reference DVM to Pin 14 and
Measuree Output DC Shift from
Minimum to Maximum Band-
width, (Note 7).
CONTROL SIGNAL PATH
Summing Amplifier Voltage Gain
Both Channels Driven
Gain Amplifier Input Impedance
Voltage Gain
Pin 6 to Pin 8
Conditions
Min
4.5
Typ
8
17
Max
18
30
Units
V
mA
0.9
3.7
1.0
675
1
4.0
1.1
4.3
1.0
1400
V/V
V
dB
Hz
965
27
34
10
0.05
1.0
46
14
0.1
kHz
dB
%
Vrms
V
S
1.5
Vp-p
79
77
dB
dB
82
70
88
76
dB
dB
77
64
20
70
dB
dB
k
dB
14
50
26
40
56
dB
4.0
20
mV
0.9
24
21.5
1
1.1
39
26.5
V/V
k
V/V
Pin 6
30
24
L
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