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Электронный компонент: MAX5166

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For free samples & the latest literature: http://www.maxim-ic.com, or phone 1-800-998-8800.
For small orders, phone 1-800-835-8769.
General Description
The MAX5166 contains four 1-to-8 multiplexers and 32
sample/hold amplifiers. The sample/hold amplifiers are
organized into four octal sample/holds with separate
inputs and independent TTL/CMOS-compatible hold
enables for each octal set. Additional 3-bit TTL/CMOS-
compatible address logic selects the 1-to-8 multiplexer
channel. The MAX5166 is available with an output imped-
ance of 50
, 500, or 1k, allowing output filtering.
The MAX5166 operates with +10V and -5V supplies,
and a separate +5V digital logic supply. Manufactured
with a proprietary BiCMOS process, it provides high
accuracy, fast acquisition time, low droop rate, and a
low hold step. The device acquires 8V step input sig-
nals to 0.01% accuracy in 2.5s. Transitions from sam-
ple mode to hold mode result in only 0.5mV of error.
While in hold mode, the output voltage slowly droops at
a rate of 1mV/sec. The MAX5166 is available in a 48-pin
TQFP package.
Applications
Automatic Test Systems (ATE)
Industrial Process Controls
Arbitrary Function Generators
Avionics Equipment
Features
o Quad, 8-Channel Sample/Hold
o 0.01% Accuracy of Acquired Signal
o 0.01% Linearity Error
o Fast Acquisition Time: 2.5s
o Low Droop Rate: 1mV/sec
o Low Hold Step: 0.25mV
o Wide Output Voltage Range: +7V to -4V
MAX5166
32-Channel Sample/Hold Amplifier
with Four Multiplexed Inputs
________________________________________________________________ Maxim Integrated Products
1
OUT21
OUT20
OUT19
OUT18
OUT17
OUT16
V
DD
OUT15
OUT14
OUT13
OUT12
OUT11
A2
M0
M1
M2
M3
V
L
DGND
V
SS
AGND
IN3
IN2
IN1
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
IN0
OUT0
OUT1
OUT2
OUT3
OUT4
OUT5
OUT6
OUT7
OUT8
OUT9
OUT10
A1
A0
OUT31
OUT30
OUT29
OUT28
OUT27
OUT26
OUT25
OUT24
OUT23
OUT22
TQFP
MAX5166
TOP VIEW
19-1456; Rev 0; 8/99
PART
MAX5166LCCM
MAX5166MCCM
MAX5166NCCM
0C to +70C
0C to +70C
0C to +70C
TEMP. RANGE
PIN-
PACKAGE
48 TQFP
48 TQFP
48 TQFP
Pin Configuration
Ordering Information
R
OUT
(
)
50
500
1k
MAX5166LECM
MAX5166MECM
MAX5166NECM
-40C to +85C
-40C to +85C
-40C to +85C
48 TQFP
48 TQFP
48 TQFP
50
500
1k
MAX5166
32-Channel Sample/Hold Amplifier
with Four Multiplexed Inputs
2
_______________________________________________________________________________________
ABSOLUTE MAXIMUM RATINGS
ELECTRICAL CHARACTERISTICS
(V
DD
= +10V, V
SS
= -5V, V
L
= +5V 5%, AGND = DGND, R
L
= 5k
, C
L
= 50pF, T
A
= T
MIN
to T
MAX
, unless otherwise noted. Typical
values are at T
A
= +25C.)
Stresses beyond those listed under "Absolute Maximum Ratings" may cause permanent damage to the device. These are stress ratings only, and functional
operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to
absolute maximum rating conditions for extended periods may affect device reliability.
V
DD
to AGND.......................................................-0.3V to +11.0V
V
SS
to AGND .........................................................-6.0V to +0.3V
V
DD
to V
SS
......................................................................+15.75V
V
L
to DGND ...........................................................-0.3V to +6.0V
V
L
to AGND ...........................................................-0.3V to +6.0V
DGND to AGND.....................................................-0.3V to +2.0V
IN_ to AGND ...............................................................V
SS
to V
DD
A_, M_ to DGND ....................................................-0.3V to +6.0V
Maximum Current into Output Pin ....................................10mA
Maximum Current into A_, M_ ..........................................20mA
Continuous Power Dissipation (T
A
= +70C)
48-Pin TQFP (derate 12.5mW/C above +70C)..................1W
Operating Temperature Ranges
MAX5166_CCM ...................................................0C to +70C
MAX5166_ECM.................................................-40C to +85C
Storage Temperature Range .............................-65C to +150C
Lead Temperature (soldering, 10sec) .............................+300C
Figure 2 (Note 1)
Figure 2 (Note 1)
Figure 2 (Note 1)
IN_ = AGND
To 1mV of final value, Figure 2 (Note 1)
-4V < V
IN
< +7V, R
L
=
T
A
= +25C, 100mV step to 1mV, R
L
=
,
Figure 2 (Note 2)
8V step to 0.08%, R
L
=
, Figure 2 (Note 2)
(Note 1)
IN_ = AGND, T
A
= +25C
IN_ = AGND, T
A
= +25C
+15C
T
A
+65C (Note 1)
R
L
=
,
C
L
= 250pF
CONDITIONS
ns
150
t
DH
Data Hold Time
ns
200
t
PW
Inhibit Pulse Width
ns
200
t
AP
Aperture Delay
s
1
2
t
H
Hold-Mode Settling Time
s
1
t
AQ
2.5
4
Acquisition Time
mA
2
I
SINK
Output Sink Current
mA
2
I
SOURCE
Output Source Current
700
1000
1300
R
OUT_
DC Output Impedance
mV
0.25
1.00
V
HS
Hold Step
%
0.01
0.08
Linearity Error
350
500
650
35
50
65
pF
5
20
C
IN_
Input Capacitance
mV/sec
1
40
V
OUT
Droop Rate
mV
-30
-5
+30
V/C
20
40
V
OS
Offset Voltage
UNITS
MIN
TYP
MAX
SYMBOL
PARAMETER
8V step with
500ns rising edge
(Note 1)
Analog Crosstalk
MAX5166L
MAX5166M
MAX5166N
R
L
=
V
V
SS
+ V
DD
-
0.75
2.4
V
OUT_
Output Voltage Range
MAX5165M, C
L
= 10nF
MAX5165N, C
L
= 10nF
MAX5165L, C
L
= 250pF
Figure 2 (Note 1)
ns
50
t
DS
Data Setup Time
ANALOG SECTION
TIMING PERFORMANCE
dB
-72
-76
mA
MAX5166
32-Channel Sample/Hold Amplifier
with Four Multiplexed Inputs
_______________________________________________________________________________________
3
ELECTRICAL CHARACTERISTICS (continued)
(V
DD
= +10V, V
SS
= -5V, V
L
= +5V 5%, AGND = DGND, R
L
= 5k
, C
L
= 50pF, T
A
= T
MIN
to T
MAX
, unless otherwise noted. Typical
values are at T
A
= +25C.)
Note 1: Guaranteed by design.
Note 2: Only one M_ input may be asserted low at a time, so only one channel is selected (see Single vs. Simultaneous Sampling).
Note 3: Do not exceed the absolute maximum rating for V
DD
to V
SS
of +15.75V (see Absolute Maximum Ratings).
For both V
DD
and V
SS
in
sample mode, V
IN
= 0
V
A0
V
A3
= 0.8V or 2V;
V
M0
, V
M1
, V
M2
= 0.8V or 2V
A_ = DGND or V
L
;
M_ = DGND or V
L
R
L
=
R
L
=
(Note 3)
(Note 3)
A_ = DGND or V
L;
M_ = DGND or VL
CONDITIONS
dB
-60
-75
PSRR
Power-Supply Rejection Ratio
mA
5
I
L
Digital Logic Supply Current
0.5
mA
36
I
SS
Negative Analog Supply Current
mA
36
I
DD
Positive Analog Supply Current
V
4.75
5.0
5.25
V
L
Digital Logic Supply Voltage
V
-4.75
-5.0
-5.45
V
SS
Negative Analog Supply Voltage
V
9.5
10.0
10.5
V
DD
Positive Analog Supply Voltage
V
0.8
V
IL
Input Voltage Low
V
2.0
V
IH
Input Voltage High
A
-1
+1
I
I
Input Current
UNITS
MIN
TYP
MAX
SYMBOL
PARAMETER
DIGITAL INPUTS
POWER SUPPLIES
MAX5166
32-Channel Sample/Hold Amplifier
with Four Multiplexed Inputs
4
_______________________________________________________________________________________
Typical Operating Characteristics
(V
DD
= +10V, V
SS
= -5V, V
L
= +5V, IN
_
= +5V, R
L
=
, C
L
= 0, AGND = DGND, T
A
= +25C, unless otherwise noted.)
0
4
2
10
8
6
16
14
12
18
-40
0
20
-20
40
60
80
100
DROOP RATE vs. TEMPERATURE
MAX5166-01
TEMPERATURE (C)
DROOP RATE (mV/sec)
1000
10,000
0
-10
-20
-30
-40
-60
-50
-70
-80
-90
1
10
100
POWER-SUPPLY REJECTION RATIO
(HOLD MODE)
MAX5166-02
FREQUENCY (kHz)
PSRR (dB)
-SUPPLY
+SUPPLY
1000
10,000
0
-10
-20
-30
-40
-60
-50
-70
-80
-90
1
10
100
POWER-SUPPLY REJECTION RATIO
(SAMPLE MODE)
MAX5166-03
FREQUENCY (kHz)
PSRR (dB)
-SUPPLY
+SUPPLY
0
25
50
75
-40
20
40
-20
0
60
80
100
HOLD STEP vs. TEMPERATURE
MAX5166-04
TEMPERATURE (
C)
HOLD STEP (
V)
0
-20
-10
-50
-40
-30
-60
-70
-90
-80
-100
-5.0
-3.0
-1.0
1.0
3.0
5.0
7.0
9.0
HOLD STEP vs. INPUT VOLTAGE
MAX5166-07
INPUT VOLTAGE (V)
HOLD STEP (
V)
-5.0
-4.0
-4.5
-3.0
-3.5
-2.5
-2.0
-40
20
40
-20
0
60
80
100
OFFSET VOLTAGE vs. TEMPERATURE
MAX5166-05
TEMPERATURE (
C)
OFFSET VOLTAGE (mV)
1.00
1.10
1.05
1.20
1.15
1.30
1.25
1.35
1.45
1.40
1.50
-5.0
-2.0 -0.5 1.0
-3.5
2.5 4.0 5.5
8.5
7.0
10.0
DROOP RATE vs. INPUT VOLTAGE
MAX5166-06
INPUT VOLTAGE (V)
DROOP RATE (mV/sec)
-4.5
-4.3
-4.4
-4.0
-4.1
-4.2
-3.9
-3.8
-3.6
-3.7
-3.5
OFFSET VOLTAGE vs. INPUT VOLTAGE
MAX5166-08
INPUT VOLTAGE (V)
OFFSET VOLTAGE (mV)
-5.0
-3.0
-1.0
1.0
3.0
5.0
7.0
9.0
MAX5166
32-Channel Sample/Hold Amplifier
with Four Multiplexed Inputs
_______________________________________________________________________________________
5
_______________________________________________________________________________________
3-TO-8
DECODER
AND0
1-TO-8 MULTIPLEXER
AND7
EN
8
8
IN
MAX5166
1-TO-8 MULTIPLEXER
EN
IN
1-TO-8 MULTIPLEXER
EN
IN
1-TO-8 MULTIPLEXER
EN
IN
V
SS
V
DD
V
L
AGND
DGND
IN2
IN1
IN0
IN3
M3 M2 M1 M0
A2 A1 A0
SAMPLE-AND-HOLD
SAMPLE-AND-HOLD
SAMPLE-AND-HOLD
SAMPLE-AND-HOLD
OUT0
OUT7
OUT8
OUT15
OUT16
OUT23
OUT24
OUT31
8
8
8
Figure 1. Functional Diagram