參數(shù)資料
型號: LTC1657
廠商: Linear Technology Corporation
英文描述: Parallel 16-Bit Rail-to-Rail Micropower DAC(并行16位,微功耗滿幅度電壓輸出數(shù)模轉(zhuǎn)換器)
中文描述: 并行16位軌至軌微數(shù)模轉(zhuǎn)換器(并行16位,微功耗滿幅度電壓輸出數(shù)模轉(zhuǎn)換器)
文件頁數(shù): 1/12頁
文件大小: 166K
代理商: LTC1657
1
LTC1657
Parallel 16-Bit Rail-to-Rail
Micropower DAC
I
16-Bit Monotonic Over Temperature
I
Deglitched Rail-to-Rail Voltage Output: 8nVs
I
5V Single Supply Operation
I
I
CC
: 650
μ
A Typ
I
Maximum DNL Error:
±
1LSB
I
Settling Time: 20
μ
s to
±
1LSB
I
Internal or External Reference
I
Internal Power-On Reset to Zero Volts
I
Asynchronous CLR Pin
I
Output Buffer Configurable for Gain of 1 or 2
I
Parallel 16-Bit or 2-Byte Double Buffered Interface
I
Narrow 28-Lead SSOP Package
I
Multiplying Capability
The LTC
1657 is a complete single supply, rail-to-rail
voltage output, 16-bit digital-to-analog converter (DAC) in
a 28-pin SSOP or PDIP package. It includes a rail-to-rail
output buffer amplifier, an internal 2.048V reference and
a double buffered parallel digital interface.
The LTC1657 operates from a 4.5V to 5.5V supply. It has
a separate reference input pin that can be driven by an
external reference. The full-scale output can be 1 or 2
times the reference voltage depending on how the X1/X2
pin is connected.
The LTC1657 is similar to Linear Technology Corporation’s
LTC1450 12-bit V
OUT
DAC family allowing an upgrade
path. It is the only buffered 16-bit parallel DAC in a 28-lead
SSOP package and includes an onboard reference for
stand alone performance.
, LTC and LT are registered trademarks of Linear Technology Corporation.
I
Instrumentation
I
Digital Calibration
I
Industrial Process Control
I
Automatic Test Equipment
I
Communication Test Equipment
Differential Nonlinearity
vs Input Code
REFLO
21
GND
0V TO
4.096V
5V
16-BIT
DAC
R
R
25
REFHI
REFOUT
22
24
23
X1/X2
26
20
1657 TA01
V
OUT
V
CC
D15 (MSB)
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
1
2
28
27
D8
D7
DATA IN FROM
MICROPROCESSOR
DATA BUS
FROM
MICROPROCESSOR
DECODE LOGIC
FROM
SYSTEM RESET
D0 (LSB)
+
REFERENCE
2.048V
16-BIT
DAC
REGISTER
POWER-ON
RESET
LDAC
CLR
WR
CSMSB
CSLSB
LSB
8-BIT
INPUT
REGISTER
MSB
8-BIT
INPUT
REGISTER
APPLICATIU
FEATURES
DESCRIPTIO
U
BLOCK DIAGRA
W
DIGITAL INPUT CODE
0
16384
32768
49152
65535
D
1657 G01
1.0
0.8
0.6
0.4
0.2
0.0
–0.2
–0.4
–0.6
–0.8
–1.0
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