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MAX5168LCCM+T

P1-P3P4-P6P7-P9P10-P12
General Description
The MAX5168 contains 32 sample/hold amplifiers and
four 1-of-8 multiplexers. The logic controlling the muxes
and sample/hold amplifiers combines the four muxes into
a unified 1-of-32 multiplexer with a sample/hold at each
output. Additional logic allows two devices to function as
a single 64-channel unit. The MAX5168 is available with
an output impedance of 50Ω, 500Ω, or 1kΩ.
The MAX5168 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, a low droop rate, and a low hold
step. The MAX5168 has a typical linearity error of less
than 0.01% and can accurately acquire 8V step input sig-
nals to 0.01% accuracy in 2.5µs within the +7V to -4V
input signal range. Transitions from sample mode to hold
mode result in only a 0.5mV error. While in hold mode, the
output voltage slowly droops at a rate of 1mV/s.
The MAX5168 is available in a 48-pin TQFP package and
is specified for both the commercial (0°C to +70°C) and
extended industrial (-40°C to +85°C) temperature ranges.
________________________Applications
Automatic Test Systems (ATE)
Industrial Process Controls
Arbitrary Function Generators
Avionics Equipment
Features
♦ 32-Channel Sample/Hold
♦ 0.01% Accuracy of Acquired Signal
♦ 0.01% Linearity Error
♦ Fast Acquisition Time: 2.5µs
♦ Low Droop Rate: 1mV/s
♦ Low Hold Step: 0.25mV
♦ Wide Output Voltage Range: +7V to -4V
MAX5168
32-Channel Sample/Hold Amplifier
with a Single Multiplexed Input
________________________________________________________________ Maxim Integrated Products 1
OUT21
OUT20
OUT19
OUT18
OUT17
OUT16
V
DD
OUT15
OUT14
OUT13
OUT12
OUT11
ADDR2
ADDR3
ADDR4
SELECT
S/H
CONFIG
V
L
DGND
V
SS
AGND
IN
N.C.
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
N.C.
OUT0
OUT1
OUT2
OUT3
OUT4
OUT5
OUT6
OUT7
OUT8
OUT9
OUT10
ADDR1
ADDR0
OUT31
OUT30
OUT29
OUT28
OUT27
OUT26
OUT25
OUT24
OUT23
OUT22
TQFP
MAX5168
TOP VIEW
Pin Configuration
19-1674; Rev 0; 4/00
Ordering Information
48 TQFP
PIN-
PACKAGE
TEMP. RANGE
0°C to +70°CMAX5168LCCM
PART
48 TQFP0°C to +70°CMAX5168MCCM
48 TQFP0°C to +70°CMAX5168NCCM
48 TQFP-40°C to +85°CMAX5168LECM
48 TQFP-40°C to +85°CMAX5168MECM
48 TQFP-40°C to +85°CMAX5168NECM
50
R
OUT
(Ω)
500
1k
50
500
1k
For free samples and the latest literature, visit www.maxim-ic.com or phone 1-800-998-8800.
For small orders, phone 1-800-835-8769.
IN = AGND, T
A
=
MAX5168
32-Channel Sample/Hold Amplifier
with a Single Multiplexed Input
2 _______________________________________________________________________________________
ABSOLUTE MAXIMUM RATINGS
ELECTRICAL CHARACTERISTICS
(V
DD
= +10.0V, V
SS
= -5.0V, V
L
= +5.0V ±5%, AGND = DGND = 0, R
L
= 5kΩ, C
L
= 50pF, T
A
= T
MIN
to T
MAX
, unless otherwise noted.
Typical values are at T
A
= +25°C.)
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, OUT_ .....................................................................V
SS
to V
DD
Logic Inputs to DGND ...........................................-0.3V to +6.0V
Maximum Current into OUT_ ............................................±10mA
Maximum Current into Logic Inputs .................................±20mA
Continuous Power Dissipation (T
A
= +70°C)
48-Pin TQFP (derate 12.5mW/°C above +70°C)......1000mW
Operating Temperature Ranges
MAX5168_CCM ................................................0°C to +70°C
MAX5168_ECM..............................................-40°C to +85°C
Storage Temperature Range .............................-65°C to +150°C
Lead Temperature (soldering, 10s) .................................+300°C
Figure 2 (Note 1)
IN = AGND
To ±1mV of final value, Figure 2 (Note 1)
-4.0V < V
IN
< +7V, R
L
= ∞
T
A
= +25°C,
R
L
= ∞, Figure 2
R
L
= ∞,
C
L
= 250pF
(Note 1)
V
IN
= 0, sample mode
V
IN
= 0, sample mode
8V step with 500ns
rising edge (Note 1)
MAX5168N
+15°C ≤ T
A
≤ +65°C (Note 1)
8V step to 0.08%
R
L
= ∞
100mV step to ±1mV
CONDITIONS
ns
200
t
AP
Aperture Delay
µs
12
t
H
Hold-Mode Settling Time
1
µs
2.5 4
t
AQ
Acquisition Time
V
V
SS
V
DD
V
CH
Output Clamp High
mA
2
I
SINK
Output Sink Current
mA
2
I
SOURCE
Output Source Current
700 1000 1300
350 500 650
R
OUT_
mV
0.25 1.00
V
HS
Hold Step
%
0.01 0.08
Linearity Error
Ω
35 50 65
DC Output Impedance
pF
10 20
C
IN
Input Capacitance
MAX5168M
-72 -76
MAX5168L
dB
-72 -76
Analog Crosstalk
mV/s
140
Droop Rate
mV
-30 -5 +30
V
OS
Offset Voltage
µV/°C
20 40
C
L
= 250pF for
MAX5168L
C
L
= 10nF for
MAX5168M/N
V
V
SS
+V
DD
-
0.75 2.4
V
OUT_
Output Voltage Range
UNITSMIN TYP MAXSYMBOLPARAMETER
IN = AGND, T
A
= +25°C
IN = AGND, T
A
= +25°C
ANALOG SECTION
TIMING PERFORMANCE
MAX5168
32-Channel Sample/Hold Amplifier
with a Single Multiplexed Input
_______________________________________________________________________________________ 3
ELECTRICAL CHARACTERISTICS (continued)
(V
DD
= +10.0V, V
SS
= -5.0V, V
L
= +5.0V ±5%, AGND = DGND = 0, R
L
= 5kΩ, C
L
= 50pF, T
A
= T
MIN
to T
MAX
, unless otherwise noted.
Typical values are at T
A
= +25°C.)
Note 1: Guaranteed by design.
Note 2: Do not exceed the absolute maximum rating for V
DD
to V
SS
of +15.75V (see Absolute Maximum Ratings).
Figure 2 (Note 1)
Figure 2 (Note 1)
CONDITIONS
ns
50
t
SET
Data Setup Time
ns
200
t
PW
S/H Pulse Width
ADDR_ = 0.8V or 2.0V,
S/H = 0.8V or 2.0V
mA
5
UNITSMIN TYP MAXSYMBOLPARAMETER
R
L
= ∞
R
L
= ∞
(Note 2)
(Note 2)
IN = DGND or V
CC
Figure 2 (Note 1)
mA
36
I
SS
Negative Analog Supply Current
mA
36
I
DD
Positive Analog Supply Current
V
4.75 5 5.25
V
L
Digital Logic Supply
V
-4.75 -5 -5.45
V
SS
Negative Analog Supply
V
9.5 10 10.5
V
DD
Positive Analog Supply
µA
-1 +1
I
I
Input Current
V
0.8
V
IL
Input Voltage Low
V
2.0
V
IH
Input Voltage High
ns
150
t
DH
Data Hold Time
For V
DD
and V
SS
, sample mode,
IN = AGND
ADDR_ = DGND or V
L,
S/H = DGND or V
L
dB
-60 -75
PSRRPower-Supply Rejection Ratio
mA
0.5
I
L
Digital Logic Supply Current
POWER SUPPLIES
DIGITAL INPUTS
P1-P3P4-P6P7-P9P10-P12

MAX5168LCCM+T

Mfr. #:
Buy MAX5168LCCM+T
Manufacturer:
Maxim Integrated
Description:
IC OPAMP SAMPLE HOLD 48LQFP
Lifecycle:
New from this manufacturer.
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