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參數資料
| 型號： | DAC7552IRGT |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | 12-BIT, DUAL, ULTRALOW GLITCH, VOLTAGE OUTPUT DIGITAL-TO-ANALOG CONVERTER |
| 中文描述： | 12位雙，超低毛刺，電壓輸出數字模擬轉換器 |
| 文件頁數： | 1/22頁 |
| 文件大小： | 862K |
| 代理商： | DAC7552IRGT |
3 mm x 3 mm
Actual Size
www.ti.com
FEATURES
2.7-V to 5.5-V Single Supply
12-Bit Linearity and Monotonicity
Rail-to-Rail Voltage Output
Settling Time: 5 μs (Max)
Ultralow Glitch Energy: 0.1 nVs
Ultralow Crosstalk: –100 dB
Low Power: 440 μA (Max)
Per-Channel Power Down: 2 μA (Max)
Power-On Reset to Zero Scale
SPI-Compatible Serial Interface: Up to 50 MHz
Daisy-Chain Capability
Asynchronous Hardware Clear
Simultaneous or Sequential Update
Specified Temperature Range: –40°C to 105°C
Small 3-mm × 3-mm, 16-Lead QFN Package
DESCRIPTION
The
DAC7552
age-output
monotonicity. Its proprietary architecture minimizes
undesired transients such as code-to-code glitch and
channel-to-channel
crosstalk.
DAC7552 operates from a single 2.7-V to 5.5-V
supply. The DAC7552 output amplifiers can drive a
2-k
, 200-pF load rail-to-rail with 5-μs settling time;
the output range is set using an external voltage
reference.
APPLICATIONS
Portable Battery-Powered Instruments
Digital Gain and Offset Adjustment
Programmable Voltage and Current Sources
Programmable Attenuators
Industrial Process Control
_
+
Interface
Logic
Input
Register
DAC
Register
String
DAC A
PoLogic
PReset
V
DD
IOV
DD
V
REFA
V
FBA
V
OUT
A
V
REFB
GND
CLR
DCEN
SDIN
SYNC
SCLK
_
+
Input
Register
DAC
Register
String
DAC B
V
FBB
V
OUT
B
PD
SDO
FUNCTIONAL BLOCK DIAGRAM
DAC7552
DAC7552
SLAS442B–JANUARY 2005–REVISED JUNE 2005
12-BIT, DUAL, ULTRALOW GLITCH, VOLTAGE OUTPUT
DIGITAL-TO-ANALOG CONVERTER
is
a
12-bit,
exceptional
dual-channel,
linearity
volt-
and
DAC
with
The
low-power
The 3-wire serial interface operates at clock rates up
to 50 MHz and is compatible with SPI, QSPI,
Microwire, and DSP interface standards. The out-
puts of all DACs may be updated simultaneously or
sequentially. The parts incorporate a power-on-reset
circuit to ensure that the DAC outputs power up to
zero volts and remain there until a valid write cycle to
the
device
takes
place.
power-down feature that reduces the current con-
sumption of the device to under 2 μA.
The
parts
contain
a
The small size and low-power operation makes the
DAC7552 ideally suited for battery-operated portable
applications. The power consumption is typically
1.5 mW at 5 V, 0.75 mW at 3 V, and reduces to 1 μW
in power-down mode.
The DAC7552 is available in a 16-lead QFN package
and is specified over –40°C to 105°C.
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas
Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
Microwire is a trademark of National Semiconductor Corporation.
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.
Copyright 2005, Texas Instruments Incorporated
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相關代理商/技術參數 |
參數描述 |
|---|---|
| DAC7552IRGTR | 功能描述:數模轉換器- DAC 12-Bit Dual UltrLo Glitch Vltg Output RoHS:否 制造商:Texas Instruments 轉換器數量:1 DAC 輸出端數量:1 轉換速率:2 MSPs 分辨率:16 bit 接口類型:QSPI, SPI, Serial (3-Wire, Microwire) 穩定時間:1 us 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:SOIC-14 封裝:Tube |
| DAC7552IRGTRG4 | 功能描述:數模轉換器- DAC 12-Bit Dual UltrLo Glitch Vltg Output RoHS:否 制造商:Texas Instruments 轉換器數量:1 DAC 輸出端數量:1 轉換速率:2 MSPs 分辨率:16 bit 接口類型:QSPI, SPI, Serial (3-Wire, Microwire) 穩定時間:1 us 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:SOIC-14 封裝:Tube |
| DAC7552IRGTT | 功能描述:數模轉換器- DAC 12-Bit Dual UltrLo Glitch Vltg Output RoHS:否 制造商:Texas Instruments 轉換器數量:1 DAC 輸出端數量:1 轉換速率:2 MSPs 分辨率:16 bit 接口類型:QSPI, SPI, Serial (3-Wire, Microwire) 穩定時間:1 us 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:SOIC-14 封裝:Tube |
| DAC7552IRGTT | 制造商:Texas Instruments 功能描述:IC DAC 12BIT DUAL W/SPI 16-VQFN |
| DAC7552IRGTTG4 | 功能描述:數模轉換器- DAC 12-Bit Dual UltrLo Glitch Vltg Output RoHS:否 制造商:Texas Instruments 轉換器數量:1 DAC 輸出端數量:1 轉換速率:2 MSPs 分辨率:16 bit 接口類型:QSPI, SPI, Serial (3-Wire, Microwire) 穩定時間:1 us 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:SOIC-14 封裝:Tube |
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