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PDF NE527 Data sheet ( Hoja de datos )
| Número de pieza | NE527 | |
| Descripción | Voltage comparator | |
| Fabricantes | Philips | |
| Logotipo |  |
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Philips Semiconductors Linear Products
Voltage comparator
Product specification
NE527
DESCRIPTION
The NE527 is a high-speed analog voltage comparator which, for
the first time, mates state-of-the-art Schottky diode technology with
the conventional linear process. This allows simultaneous
fabrication of high speed TTL gates with a precision linear amplifier
on a single monolithic chip. The NE527 is similar in design to the
Philips Semiconductors NE529 voltage comparator except that it
incorporates an “Emitter-Follower” input stage for extremely low
input currents. This opens the door to a whole new range of
applications for analog voltage comparators.
FEATURES
• 15ns propagation delay
• Complementary output gates
• TTL or ECL compatible outputs
• Wide common-mode and differential voltage range
• Typical gain of 5000
ORDERING INFORMATION
DESCRIPTION
14-Pin Plastic Dual In-Line Package (DIP)
14-Pin Small Outline (SO) Package
EQUIVALENT SCHEMATIC
V1 +
20K
1K 1K
PIN CONFIGURATIONS
D, N Packages
V1 + 1
NC 2
INPUT A 3
INPUT B 4
NC 5
V1 – 6
NC 7
14 V2 +
13 STROBE A
12 NC
11 OUTPUT A
10 GND
9 OUTPUT B
8 STROBE B
TOP VIEW
APPLICATIONS
• A/D conversion
• ECL-to-TTL interface
• TTL-to-ECL interface
• Memory sensing
• Optical data coupling
TEMPERATURE RANGE
0 to +70°C
0 to +70°C
ORDER CODE
NE527N
NE527D
DWG #
0405B
0175D
STROBE A
4K
1.5K
V2 +
55
1.5K 1.5K
INPUT A
7.5K
INPUT
B
7.5K
750 750
20K
6.13K
OUTPUT A
4K
4K 1.5K
4K
55 250 500
GND
OUTPUT B
–
V1
200
300 300
100 200
250 500
STROBE B
August 31, 1994
315 853-0906 13721
1 page  
Philips Semiconductors Linear Products
Voltage comparator
Product specification
NE527
APPLICATIONS
One of the main features of the device is that supply voltages (V1+,
V1-) need not be balanced, as in the following diagrams. For proper
operation, however, negative supply (V1-) should always be at least
6V more than the ground terminal (Pin 6). Input common-mode
range should be limited to values of 2V less than the supply voltages
(V1+ and V1-) up to a maximum of ±5V as supply voltages are
increased. It is also important to note that Output A is in phase with
Input A and Output B is in phase with Input B.
LOGIC FUNCTION
VID
(A+, B–)
VID≤-VOS
-VOS<VID<VOS
VID≥VOS
X
STROBE A
H
H
X
L
STROBE B
X
H
H
L
OUTPUT A
L
Undefined
H
H
OUTPUT B
H
Undefined
L
H
COMMENT
Read IIHA, IILB
Read IILA, IIHB
TYPICAL APPLICATIONS
+ 5V
λ
R2
1
3
14
11
5297N
4
6
R1 R1
9
10
– 6V
Photodiode Detector
Q
Q
+ 5V
R2
1
3
14
11
Q
ECL
INPUT
R1
R2
4
6
R1
527N
TTL OUTPUTS
9
10
Q
– 10V
ECL–to–TTL Interface
VREF
+ 5V
1103
MOS RAM
1 14
3 11
5279N
100Ω
4
6
100Ω
– 6V
9
10
MOS Memory Sense AMP
Q
Q
+ 5V
TTL INPUT
3R1
1
3
2K
14
11
2K
5297N
4
6
R1 R1
9
10
– 10V
– 5.2V
TTL–to–ECL Interface
August 31, 1994
319
5 Page | ||
| Páginas | Total 5 Páginas | |
| PDF Descargar | [ Datasheet NE527.PDF ] | |
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