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DAC7568A Fiches technique(PDF) 3 Page - Texas Instruments

No de pièce DAC7568A
Description  12-/14-/16-Bit, Octal-Channel, Ultra-Low Glitch, Voltage Output DIGITAL-TO-ANALOG CONVERTERS with 2.5V, 2ppm/째C Internal Reference
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Fabricant  TI [Texas Instruments]
Site Internet  http://www.ti.com
Logo TI - Texas Instruments

DAC7568A Fiches technique(HTML) 3 Page - Texas Instruments

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ELECTRICAL CHARACTERISTICS
DAC7568
DAC8168
DAC8568
www.ti.com ..................................................................................................................................................... SBAS430A – JANUARY 2009 – REVISED APRIL 2009
At AVDD = 2.7V to 5.5V and over –40°C to +125°C (unless otherwise noted).
DAC7568/DAC8168/DAC8568
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
STATIC PERFORMANCE(1)
Resolution
16
Bits
Measured by the line passing through codes 485 and
DAC8568
Relative accuracy
±4
±12
LSB
64714
Differential nonlinearity
16-bit monotonic
±0.2
±1
LSB
Resolution
14
Bits
Measured by the line passing through codes 120 and
DAC8168
Relative accuracy
±1
±4
LSB
16200
Differential nonlinearity
14-bit monotonic
±0.1
±0.5
LSB
Resolution
12
Bits
Measured by the line passing through codes 30 and
DAC7568
Relative accuracy
±0.3
±1
LSB
4050
Differential nonlinearity
12-bit monotonic
±0.05
±0.25
LSB
Offset error
Extrapolated from two-point line(1), unloaded
±1
±4
mV
Offset error drift
±0.5
µV/°C
Full-scale error
DAC register loaded with all '1's
±0.03
±0.2
% of FSR
Zero-code error
DAC register loaded with all '0's
1
4
mV
Zero-code error drift
±2
µV/°C
Gain error
Extrapolated from two-point line(1), unloaded
±0.01
±0.15
% of FSR
ppm of
Gain temperature coefficient
±1
FSR/°C
OUTPUT CHARACTERISTICS(2)
AVDD ≥ 2.7V; grades A and B: maximum output
voltage 2.5V when using internal reference
Output voltage range
0
AVDD
V
AVDD ≥ 5V; grades C and D: maximum output voltage
5V when using internal reference
DACs unloaded; 1/4 scale to 3/4 scale to ±0.024%
5
10
Output voltage settling time
µs
RL = 1MΩ
10
Slew rate
0.75
V/
µs
RL = ∞
1000
Capacitive load stability
pF
RL = 2kΩ
3000
Code change glitch impulse
1LSB change around major carry
0.1
nV-s
Digital feedthrough
SCLK toggling, SYNC high
0.1
nV-s
RL = 2kΩ, CL = 470pF, AVDD = 5.5V
10
mV
Power-on glitch impulse
RL = 2kΩ, CL = 470pF, AVDD = 2.7V
6
mV
Channel-to-channel dc crosstalk
Full-scale swing on adjacent channel
0.1
LSB
RL = 2kΩ, CL = 420pF, 1kHz full-scale sine wave,
Channel-to-channel ac crosstalk
–109
dB
outputs unloaded
DC output impedance
At mid-code input
4
DAC outputs at full-scale, DAC outputs shorted to
Short-circuit current
11
mA
GND
Power-up time, including settling time
Coming out of power-down mode
50
µs
(1)
16-bit: codes 485 and 64714; 14-bit: codes 120 and 16200; 12-bit: codes 30 and 4050
(2)
Specified by design or characterization; not production tested.
Copyright © 2009, Texas Instruments Incorporated
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Product Folder Link(s): DAC7568 DAC8168 DAC8568


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