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參數(shù)資料
| 型號： | MAX5264 |
| 廠商： | Maxim Integrated Products, Inc. |
| 英文描述： | Octal, 14-Bit Voltage-Output DAC with Parallel Interface for ATE |
| 中文描述： | 八通道、14位、電壓輸出DAC，并行接口，用于ATE |
| 文件頁數(shù)： | 1/16頁 |
| 文件大?。?/td> | 451K |
| 代理商： | MAX5264 |
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.
General Description
The MAX5264 contains eight 14-bit, voltage-output digi-
tal-to-analog converters (DACs). On-chip precision out-
put amplifiers provide the voltage outputs. The device
operates from +14V/-9V supplies. Its bipolar output
voltage swing ranges from +9V to -4V and is achieved
with no external components. The MAX5264 has three
pairs of differential reference inputs; two of these pairs
are connected to two DACs each, and a third pair is
connected to four DACs. The references are indepen-
dently controlled, providing different full-scale output
voltages to the respective DACs. The MAX5264 oper-
ates within the following voltage ranges: V
DD
= +7V to
+14V, V
SS
= -5V to -9V, and V
CC
= +4.75V to +5.25V.
The MAX5264 features double-buffered interface logic
with a 14-bit parallel data bus. Each DAC has an input
latch and a DAC latch. Data in the DAC latch sets the
output voltage. The eight input latches are addressed
with three address lines. Data is loaded to the input
latch with a single write instruction. An asynchronous
load input (
LD
) transfers data from the input latch to the
DAC latch. The
LD
input controls all DACs; therefore, all
DACs can be updated simultaneously by asserting the
LD
pin.
An asynchronous
CLR
input sets the output of all eight
DACs to the respective DUTGND input of the op amp.
Note that
CLR
is a CMOS input, which is powered by
V
DD
. All other logic inputs are TTL/CMOS compatible.
The “A” grade of the MAX5264 has a maximum INL of
±4LSBs, while the “B” grade has a maximum INL of
±8LSBs. Both grades are available in 44-pin MQFP
packages.
Applications
Automatic Test Equipment (ATE)
Industrial Process Controls
Arbitrary Function Generators
Avionics Equipment
Minimum Component Count Analog Systems
Digital Offset/Gain Adjustment
SONET Applications
Features
o
Full 14-Bit Performance Without Adjustments
o
8 DACs in a Single Package
o
Buffered Voltage Outputs
o
Unipolar or Bipolar Voltage Swing to +9V and -4V
o
22μs Output Settling Time
o
Drives Up to 10,000pF Capacitive Load
o
Low Output Glitch: 30mV
o
Low Power Consumption: 10mA (typ)
o
Small 44-Pin MQFP Package
o
Double-Buffered Digital Inputs
o
Asynchronous Load Updates All DACs
Simultaneously
o
Asynchronous
CLR
Forces All DACs to DUTGND
Potential
Ordering Information
M
Octal, 14-Bit Voltage-Output DAC
with Parallel Interface for ATE
________________________________________________________________
Maxim Integrated Products
1
DUTGNDGH
OUTH
REFGH-
REFGH+
CLR
D13
D12
D11
D10
D9
D8
DUTGNDAB
OUTA
REFAB-
REFAB+
V
DD
V
SS
LD
A2
A1
A0
CS
1
2
3
4
5
6
7
8
9
10
11
1
1
1
1
1
1
1
1
2
2
2
4
4
4
4
4
3
3
3
3
3
3
33
32
31
30
29
28
27
26
25
24
23
W
V
C
G
D
D
D
D
D
D
D
D
O
O
D
O
R
R
V
D
O
D
O
O
MQFP
MAX5264
TOP VIEW
19-1734; Rev 0; 5/00
PART
MAX5264ACMH
MAX5264BCMH
0°C to +70°C
0°C to +70°C
TEMP. RANGE
PIN-
PACKAGE
44 MQFP
44 MQFP
Functional Diagram appears at end of data sheet.
Pin Configuration
INL
(LSB)
±4
±8
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