Page 1
Philips Semiconductors Linear Products Product specification
NE522High-speed dual-differential comparator/sense amp
310
August 31, 1994 853-0901 13721
FEATURES
•15ns maximum guaranteed propagation delay
•20µA maximum input bias current
•TTL-compatible strobes and outputs
•Large common-mode input voltage range
•Operates from standard supply voltages
APPLICATIONS
•MOS memory sense amp
•A-to-D conversion
•High-speed line receiver
PIN CONFIGURATION
INPUT 1A
INPUT 1B
NC
V+
V-
INPUT 2A
INPUT 2B
OUTPUT 1Y
STROBE 1G
GROUND
NC
OUTPUT 2Y
STROBE 2G
D, N Packages
STROBE S
1
2
3
4
5
6
7
14
13
12
11
10
9
8
Top View
BLOCK DIAGRAM
(1)
(2)
(4)
(5)
(6)
(12)
(11)
(9)
(8)
INPUT 1A
INPUT 1B
OUTPUT 1Y
STROBE
STROBE
1G
S
INPUT 2A
INPUT 2B
OUTPUT 2Y
STROBE 2G
ORDERING INFORMATION
DESCRIPTION TEMPERATURE RANGE ORDER CODE DWG #
14-Pin Plastic DIP 0 to +70°C NE522N 0405B
14-Pin Plastic SO 0 to +70°C NE522D 0175D
ABSOLUTE MAXIMUM RATINGS
SYMBOL PARAMETER RATING UNITS
V+
V–
Single supply voltage Positive
Negative
+7
-7
V
V
V
IDR
Differential input voltage +6 V
V
IN
Input voltage Common-mode
Strobe/gate
+ 5
+5.25
V
V
P
D
Power dissipation 600 mW
T
A
Operating temperature range NE522 0 to 70 °C
T
STG
Storage temperature range -65 to +150 °C
T
SOLD
Lead soldering temperature (10sec max) +300 °C
Page 2
Philips Semiconductors Linear Products Product specification
NE522High-speed dual-differential comparator/sense amp
August 31, 1994
311
EQUIVALENT SCHEMATIC
14
2
1
13
12
11
V–
V+
V
9
7
4
6
5
8
R
2
R
1
R
17
R
16
R
20
R
21
R
2
R
14
R
6
R
15
R
3
R
5
R
4
R
8
R
10
R
7
R
9
R
12
R
11
R
19
R
18
R
26
R
27
R
28
Q
2
Q
2
Q4Q
3
Q
6
Q
5
Q
25
Q
26
Q
28
Q
35
Q
32
Q
31
Q
24
Q
23
Q
22
Q
21
Q
20
Q
16
Q
18Q17
Q
19
Q
14
Q
15
Q
9
Q
10
Q
8
Q
13
Q
11
D
3
D
2
D
1
D
4
D
5
D
7
D
6
13
–
+
+
–
Page 3
Philips Semiconductors Linear Products Product specification
NE522High-speed dual-differential comparator/sense amp
August 31, 1994
312
DC ELECTRICAL CHARACTERISTICS
V± = ±5V ±5%, TA = 0 to +70°C, unless otherwise stated.
LIMITS
SYMBOL
PARAMETER
TEST CONDITIONS
MIN TYP MAX
UNITS
V
OS
Input offset voltage V+ = +4.75V, V– = –4.75V
At 25°C
Over temperature range
6 7.5
10
mV
I
BIAS
Input bias current V+ = +5.25V, V– = –5.25V
At 25°C
Over temperature range
7.5 20
40
µA
I
OS
Input offset current V+ = +5.25V, V– = –5.25V
At 25°C
Over temperature range
1.0 5
12
µA
V
CM
Common-mode voltage range V+ = +4.75V, V– = –4.75V –3 +3 V
V
IL
Low level input
At 25°C
Over temperature range
0.8
0.7
V
V
IH
High level temperature 2.0 V
I
IH
Input current V+ = +5.25V, V– = –5.25V
High VIH = 2.7V
1G or 2G strobe
Common strobe S
50
100
µA
µA
I
IL
Low input current VIL = 0.5V
1G or 2G strobe
Common strobe S
–2.0
–4.0
mA
mA
V
OL
Output voltage Low V+ = +5.25V, V– = –5.25V, V
I(S)
= 2.0V, I
LOAD
=
20mA
0.5 V
I
OH
Output current High V+ = +4.75V, V– = –4.75V, VOH = 5.25V 250 µA
Supply voltage
V+ Positive 4.75 5.0 5.25 V
V– Negative –4.75 –5.0 –5.25
Supply current V+ = +5.25V, V– = –5.25V, TA = 25°C
I
CC+
Positive 27 35 mA
I
CC–
Negative –15 –28
Page 4
Philips Semiconductors Linear Products Product specification
NE522High-speed dual-differential comparator/sense amp
August 31, 1994
313
AC ELECTRICAL CHARACTERISTICS
TA = 25°C, RL = 280Ω, CL = 15pF, unless otherwise stated.
LIMITS
SYMBOL
PARAMETER
FROM INPUT
TO OUTPUT
MIN TYP MAX
UNITS
I
R
Input resistance 4 kΩ
I
C
Input capacitance 3 pF
Large-signal switching speed
Propagation delay
t
PLH(D)
Low to high
1
Amp Output 10 15
t
PHL(D)
High to low
1
Amp Output 8 12 ns
t
PLH(S)
Low to high
2
Strobe Output 6 13
t
PHL(S)
High to low
2
Strobe Output 5 9
I
MAX
Maximum operating frequency 25 35 MHz
NOTES:
1. Response time measured from 0V point of +100mV
P-P
10MHz square wave to the 1.5V point of the output.
2. Response time measured from 1.5V point of the input to 1.5V point of the output.
LOGIC FUNCTION TABLE
VID (A+, B–) STRS STRG OUTPUT TRANSISTOR
< –V
OS
H H ON
–VOS < VID < V
OS
H H Undefined
> V
OS
H H OFF
X L X OFF
X X L OFF
Page 5
Philips Semiconductors Linear Products Product specification
NE522High-speed dual-differential comparator/sense amp
August 31, 1994
314
EQUIVALENT SCHEMATIC
24
20
16
12
8
4
–60 –20 +20 +60 +100 +140
AMBIENT TEMPERATURE (°C)
RESPONSE TIME (ns)
Response Time vs Temperature
TPD (LH)
TPD (HL)
12
11
10
9
8
7
6
–75 –25 +25 +75 +125
AMBIENT TEMPERATURE (°C)
INPUT BIAS CURRENT ( A)
µ
Input Bias Current vs
Ambient Temperature
1.1
1.0
0.9
0.8
0.7
0.6
0.5
–75 –25 +25 +75 +125
AMBIENT TEMPERATURE (°C)
Input Offset Current vs
Ambient Temperature
INPUT OFFSET CURRENT ( A)
µ
TPD (LH)
TPD (HL)
INPUT VOLTAGE (mV
P-P
)
10 20 30 40 50 60 70
24
20
16
12
8
4
Propagation Delay for Various
Input Voltages
PROPAGATION DELAY (ns)
VS = 5V
10MN SQUARE WAVE INPUT
TA = °C
TPD (LH)
TPD (HL)
V = 5V
10MHz SQ WAVE
T
A
= °C
INPUT VOLTAGE (mV
P-P
)
100 200 500 1000 2000
18
16
14
12
10
8
6
4
2
PROPAGATION DELAY (ns)
Propagation Delay for Various
Input Voltages
3
2
1
0
100
50
0
0 5 10 15 20 25
INPUT VOLTAGE (mV) OUTPUT VOLTAGE (V)
TIME (ns)
VS = 5V
T
A
= °C
Response Time for Various
Input Overdrives
50mV
100mV
5mV
10mV
Response Time for Various
Input Overdrives
4
3
2
1
0
100
50
0
0 5 10 15 20 25
VS = 5V
T
A
= °C
TIME (ns)
INPUT VOLTAGE (mV) OUTPUT VOLTAGE (V)
100mV
50mV
20mV
15mV
5mV
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