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参数资料
| 型号： | NTE7138 |
| 厂商： | NTE Electronics, Inc. |
| 英文描述： | Integrated Circuit Advanced Monitor Video Controller for OSD |
| 中文描述： | 集成电路高级监视器视频控制器OSD |
| 文件页数： | 3/7页 |
| 文件大小： | 54K |
| 代理商： | NTE7138 |
Electrical Characteristics (Cont’d):
(V
P
= 8V, T
A
= +25
°
C, Note 3, Note 4 unless otherwise specified)
Parameter
Symbol
Gain Control
(Channel 1 and Channel 3, Note 10)
Input Voltage
V
i(GC)
Input Voltage for Nominal Gain
Pin3, Pin11 Open Circuit
Input Resistance
R
i(GC)
Gain Control Difference Relative to
G
V
i(CC)
= 4.3V, V
i(GC)
= 6V
Nominal Gain (Channels 1 and 3 Only)
V
i(CC)
= 4.3V, V
i(GC)
= 1V
Feedback Input
(Channels 1, 2 and 3, Note 11)
Internal Reference Voltage
V
ref(int)
Maximum Output Current
I
o(FB)
During Output Clamping,
V
i(FB)
= 3V
Black
–
Level Variation at CRT
V
bl(CRT)
Note 12
Variation of V
ref(int)
in the Temperature
Range
Variation of V
ref(int)
with Supply Voltage
V
ref(int)(VP)
7.2V
≤
V
P
≤
8.8V
Voltage Outputs
(Channels 1, 2 and 3)
Nominal Signal Output Voltage
(Black
–
to
–
White Value)
V
i(CC)
= 4.3V, V
i(b
–
w)
= 0.7V
Maximum Adjustable Black
–
Level Voltage
V
blx(max)
During Output Clamping,
T
A
=
–
20
°
to +70
°
C
Black
–
Level Voltage During Switch
–
Off,
Equal to Minimum Adjustable
Black
–
Level Voltage
Black
–
Level Voltage During Test Mode
V
bl(TST)
V
i(HBL)
= V
P
, V
i(CL)
= V
P
,
Pin1 Open
–
Circuit,
V
i
= V
i(clamp)
, Note 13
Signal
–
to
–
Noise Ratio
S/N
Note 14
Output Thermal Distortion
d
O(th)
I
o(b
–
w)
= 50mA, Note 15
Blacl
–
Level Variation Between
Clamping Pulses
Maximum Offset During Sync Clipping
V
offset(max)
V
l
< V
l(clamp)
, Note 16
Variation of Nominal Output Signal
(Black
–
to
–
White Value) with
Temperature
T
A
=
–
20
°
to +70
°
C
Current Outputs
(Channels 1, 2 and 3, Note 17)
Output Current (Black
–
to
–
White Value)
I
o(b
–
w)
With Peaking
Start of HF
–
Saturation Voltage of
V
20
–
19
,
I
o
= 50mA
Output Transistors
V
17
–
16
,
V
14
–
13
Output Current During Switch
–
Off
I
bl(SO)
V
i(HBL)
= V
P
, R
O
= 33
Frequency Response at Voltage Outputs
(Note 18)
Gain Decrease by Frequency Response
G
(f)
70MHz, Single Channel
Rise Time at Voltage Output
t
r(O)
10% to 90% Amplitude,
Input Rise Time = 1ns
Overshoot of Output Signal Pulse Related
to Actual Output Pulse Amplitude
Input Rise Time = 2.5ns,
V
i(b
–
w)
= 0.7V, V
i(CC)
= 4.3V,
Pin3 and Pin11 Open
–
Circuit
Test Conditions
Min
Typ
Max
Unit
1.0
3.6
44
2.0
–
5.5
–
6.0
3.95
66
3.3
–
4.5
V
V
k
dB
dB
3.75
55
2.6
–
5.0
5.6
–
500
5.8
–
100
6.1
–
60
V
nA
0
0
40
20
200
50
mV
mV
V
ref(T)
T
A
=
–
20
°
to +70
°
C
0
60
100
mV
V
o(b
–
w)
Pin3 and Pin11 Open
–
Circuit,
0.69
0.79
0.89
V
1.0
1.2
1.4
V
V
bl(SO)
V
i(HBL)
= V
P
, R
O
= 33
,
T
A
=
–
20
°
to +70
°
C
30
45
100
mV
0.3
0.7
1.2
V
–
–
–
50
0.6
0.5
44
1.0
4.5
dB
%
mV
V
bl(fl)
Line frequency 30kHz
0
0
7
15
10
mV
%
V
o(b
–
w)(T)
Pin3 and Pin11 Open
–
Circuit,
V
i(CC)
= 4.3V, V
i(b
–
w)
= 0.7V,
2.5
–
–
–
50
–
–
–
mA
mA
V
100
2.0
I
o
= 100mA
–
–
2.2
V
0
20
900
μ
A
–
–
1.3
4.1
3.0
5.0
dB
ns
dV
O
Single Channel,
–
4
8
%
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