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參數(shù)資料
| 型號： | MX7839 |
| 廠商： | Maxim Integrated Products, Inc. |
| 英文描述： | Octal, 13-Bit Voltage-Output DAC with Parallel Interface |
| 中文描述： | 八通道、13位、電壓輸出DAC，并行接口 |
| 文件頁數(shù)： | 1/14頁 |
| 文件大小： | 374K |
| 代理商： | MX7839 |
For pricing delivery, and ordering information please contact Maxim/Dallas Direct! at
1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.
General Description
The MX7839 contains eight 13-bit, voltage-output digital-
to-analog converters (DACs). On-chip precision output
amplifiers provide the voltage outputs. The device oper-
ates from ±15V supplies. Its bipolar output voltage swing
is ±10V and is achieved with no external components.
The MX7839 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 independently controlled, providing differ-
ent full-scale output voltages to the respective DACs.
The MX7839 features double-buffered interface logic
with a 13-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 (
LDAC
) transfers data from the input latch to
the DAC latch. The
LDAC
input controls all DACs;
therefore, all DACs can be updated simultaneously by
asserting
LDAC
.
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 MX7839 is pin-for-pin compatible with AD7839.
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 13-Bit Performance without Adjustments
o
Eight DACs in a Single Package
o
Buffered Voltage Outputs
o
Unipolar or Bipolar Voltage Swing to ±10V
o
31μs Output Settling Time
o
Low Power Consumption: 8mA (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
M
Octal, 13-Bit Voltage-Output DAC
with Parallel Interface
________________________________________________________________
Maxim Integrated Products
1
DUTGNDGH
OUTH
REFGH-
REFGH+
V
SS
CLR
DB12
DB11
DB10
DB9
DB8
DUTGNDAB
OUTA
REFAB-
REFAB+
V
DD
V
SS
LDAC
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
MX7839
TOP VIEW
19-2952; Rev 0; 7/03
Functional Diagram appears at end of data sheet.
Pin Configuration
Ordering Information
PART
TEMP RANGE
PIN-PACKAGE
INL
(LSB)
MX7839AS
-40°C to +85°C
44 MQFP
±2
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|---|---|
| MX7839AS | 功能描述:數(shù)模轉(zhuǎn)換器- DAC RoHS:否 制造商:Texas Instruments 轉(zhuǎn)換器數(shù)量:1 DAC 輸出端數(shù)量:1 轉(zhuǎn)換速率:2 MSPs 分辨率:16 bit 接口類型:QSPI, SPI, Serial (3-Wire, Microwire) 穩(wěn)定時間:1 us 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-14 封裝:Tube |
| MX7839AS-T | 功能描述:數(shù)模轉(zhuǎn)換器- DAC RoHS:否 制造商:Texas Instruments 轉(zhuǎn)換器數(shù)量:1 DAC 輸出端數(shù)量:1 轉(zhuǎn)換速率:2 MSPs 分辨率:16 bit 接口類型:QSPI, SPI, Serial (3-Wire, Microwire) 穩(wěn)定時間:1 us 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-14 封裝:Tube |
| MX7841 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Octal. 14-Bit Voltage-Output DAC with Parallel Interface |
| MX7841AS | 制造商:Maxim from Components Direct 功能描述:MAXIM MX7841AS DIGITAL TO ANALOG CONVERTERS (DAC) - Trays 制造商:Maxim 功能描述:Maxim MX7841AS Digital to Analog Converters (DAC) |
| MX7841BS | 制造商:Maxim Integrated Products 功能描述:MAXIM MX7841BS DIGITAL TO ANALOG CONVERTERS (DAC) - Trays 制造商:Maxim Integrated Products 功能描述:Maxim MX7841BS Digital to Analog Converters (DAC) |
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