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参数资料
| 型号： | NTE1648 |
| 厂商： | NTE Electronics, Inc. |
| 英文描述： | Quad General-Purpose Operational Amplifier 14-SO 0 to 70 |
| 中文描述： | 集成电路电话铃声铃声 |
| 文件页数： | 2/3页 |
| 文件大小： | 27K |
| 代理商： | NTE1648 |
Electrical Characteristics:
(T
A
= +25
°
C, All voltage referenced to GND unless otherwise specified)
Parameter
Symbol
Test Conditions
Min
Typ
Max
Unit
Operating Supply Voltage
V
CC
V
SI
I
SI
V
SUS
I
SUS
V
TR
I
TR
–
–
29
V
Initiation Supply Voltage
Note 1
17
19
21
V
Initiation Supply Current
NTE1649
–
6.8k
–
Pin2 to GND, Note 1
1.4
2.5
4.2
mA
Sustaining Voltage
Note 2
9.7
11.0
12.0
V
Sustaining Current
No Load, V
CC
= V
SUS
, Note 2
NTE1648 ONLY, V
CC
= 15V, Note 3
NTE1648 ONLY, Note 3
0.7
1.4
2.5
mA
Trigger Voltage
9.0
10.5
12.0
V
μ
A
Trigger Current
–
20.0
1000
Note 5
0.5
Disable Voltage
V
DIS
I
DIS
V
OH
NTE1648 ONLY, Note 4
–
–
V
μ
A
V
Disable Current
NTE1648 ONLY, Note 4
–
40
–
50
–
Output Voltage High
V
CC
= 21V, I
8
=
–
15mA,
Pin6 = 6V, Pin7 = GND
V
CC
= 21V, I
8
= 15mA,
Pin6 = 6V, Pin7 = GND
17
19
21
Output Voltage Low
V
OL
–
–
1.6
V
Sink Current
I
IN
(Pin3)
I
IN
(Pin7)
f
H1
f
H2
f
L
Pin3 = 6V, Pin4 = GND
–
–
500
nA
Pin7 = 6V, Pin6 = GND
–
–
500
nA
High Frequency
R
3
= 191k, C
3
= 6800pf
R
3
= 191k, C
3
= 6800pf
R
2
= 165k, C
2
= 0.47
μ
f
461
512
563
H
Z
H
Z
H
Z
576
640
704
Low Frequency
9
10
11
Note 1. Initiation supply voltage (V
SI
) is the supply voltage required to start the tone ringer oscillating.
Note 2. Sustaining voltage (V
SUS
) is the supply voltage required to maintain oscillation.
Note 3. V
TR
and I
TR
are the conditions applied to trigger in to start oscillation for V
SUS
≤
V
CC
≤
V
SI
.
Note 4. V
DIS
and I
DIS
are the conditions applied to trigger in to inhibit oscillation for V
SI
≤
V
CC
.
Note 5. Trigger current must be limited to this value externally.
Pin Connection Diagram (NTE1648)
High
Freq
OSC
Amp
Power
Supply
with
Hysteresis
Low
Freq
OSC
Output
Input
Trigger Input
NOTE:
C1, C2, R1, and
R2 are external parts
R1
R2
C1
C2
1
2
3
4
5
6
7
8
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