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DAC11001A_V01 Datasheet(Hoja de datos) 1 Page - Texas Instruments

No. de Pieza. DAC11001A_V01
Descripción  DACx1001 20-Bit, 18-Bit, and 16-Bit, Low-Noise, Ultra-Low Harmonic Distortion, Fast-Settling, High-Voltage Output, Digital-to-Analog Converters (DACs)
Descarga  42 Pages
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Fabricante  TI1 [Texas Instruments]
Página de inicio  http://www.ti.com
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OUT
DAC
Register
Buffer
Registers
Power On Reset
REFPF
DGND
AVDD
DAC
DVDD
REFNF
REFPS
REFNS
AGND
VSS
IOVDD
RCM
ROFS
RFB
Power
Down Logic
VCC
SCLK
SDIN
SYNC
SDO
LDAC
CLR
ALARM
DAC110 01
C1
C2
THS401 1
VREFP
VREFN
THS401 1
THS401 1
REFNF
REFNS
REFPF
REFPS
+
±
+
±
+
±
Power
Amplifier
Line ar
Actu ato r
Sen sor
Output
Gai n/
Atte nuation
Product
Folder
Order
Now
Technical
Documents
Tools &
Software
Support &
Community
An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications,
intellectual property matters and other important disclaimers. ADVANCE INFORMATION for pre-production products; subject to
change without notice.
DAC11001A, DAC91001, DAC81001
SLASEL0 – OCTOBER 2019
DACx1001 20-Bit, 18-Bit, and 16-Bit, Low-Noise, Ultra-Low Harmonic Distortion, Fast-
Settling, High-Voltage Output, Digital-to-Analog Converters (DACs)
1
1 Features
1
20-bit monotonic: 1-LSB DNL (max)
Integral linearity: 4-LSB INL (max)
Low noise: 7nV/
√Hz
Code independent, symmetrical low glitch:
1.5 nV-s
Excellent THD: –105 dB at 1-kHz fOUT
Fast settling: 1 µs
Flexible output ranges: VREFPF to VREFNF
Integrated, precision feedback resistors
50-MHz, 4-wire SPI-compatible interface
Readback
Daisy-chain
Temperature range: –40°C to +125
˚C
Package: 48-pin TQFP
2 Applications
Lab and field instrumentation
Spectrometer
Analog output module
Battery Test
Semiconductor test
Arbitrary waveform generator (AWG)
MRI
X-ray systems
Professional audio amplifier (rack mount)
3 Description
The 20-bit DAC11001A, 18-bit DAC91001, and 16-bit
DAC81001 (DACx1001) are highly accurate, low-
noise,
voltage-output,
single-channel,
digital-to-
analog
converters
(DACs).
The
DACx1001
are
specified monotonic by design, and offer excellent
linearity of less than 4 LSB (max) across all ranges.
The unbuffered voltage output offers low noise
performance (7 nV/
√Hz) in combination with a fast
settling time (1µs), making this device an excellent
choice for low-noise, fast control-loop, and waveform
generation applications. The DACx1001 integrates an
enhanced deglitch circuit with range- and code-
independent symmetrical ultra-low glitch (1.5 nV-s) to
enable clean waveform ramps with ultra-low total
harmonic distortion (THD).
The DACx1001 devices incorporate a power-on-reset
circuit so that the DAC powers with known values in
the registers. With external references, DAC output
ranges from VREFPF to VREFNF can be achieved,
including asymmetric output ranges.
The DACx1001 use a versatile 4–wire serial interface
that operates at clock rates of up to 50 MHz. The
DACx1001
is
specified
over
the
industrial
temperature range of –40°C to +125°C.
Device Information(1)
PART NUMBER
PACKAGE
BODY SIZE (NOM)
DAC11001
TQFP (48)
7.00 mm × 7.00 mm
DAC91001
DAC81001 (preview)
(1) For all available packages, see the package option addendum
at the end of the data sheet.
Functional Block Diagram
High-Precision, Control-Loop Circuit




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