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DAC7565 Fiches technique(PDF) 3 Page - Texas Instruments

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No de pièce DAC7565
Description  14-Bit, Quad Channel, Ultra-Low Glitch, Voltage Output Digital-to-Analog Converter with 2.5V, 2ppmC Internal Reference
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Fabricant  TI1 [Texas Instruments]
Site Internet  http://www.ti.com
Logo TI1 - Texas Instruments

DAC7565 Fiches technique(HTML) 3 Page - Texas Instruments

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DAC8165
www.ti.com
SBAS409B
– FEBRUARY 2008 – REVISED MARCH 2011
ELECTRICAL CHARACTERISTICS
At AVDD = 2.7V to 5.5V and –40°C to +105°C range (unless otherwise noted).
DAC8165
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
STATIC PERFORMANCE(1)
Resolution
14
Bits
Measured by the line
DAC8165A, DAC8165C
±1
±4
LSB
Relative accuracy
passing through
DAC8165B, DAC8165D
±1
±2
LSB
codes 120 and 16200
Differential nonlinearity
14-bit monotonic
±0.3
±1
LSB
Offset error
±5
±8
mV
Offset error drift
±1
μV/°C
Measured by the line passing through codes 120 and
16200.
Full-scale error
±0.2
±0.5
% of FSR
Gain error
±0.05
±0.2
% of FSR
AVDD = 5V
±1
ppm of
Gain temperature coefficient
FSR/
°C
AVDD = 2.7V
±2
PSRR
Power-supply rejection ratio
Output unloaded
1
mV/V
OUTPUT CHARACTERISTICS(2)
Output voltage range
0
VREF
V
To
±0.006% FSR, 0080h to 3F40h, RL = 2kΩ,
8
10
0pF
< CL < 200pF
Output voltage settling time
μs
RL = 2kΩ, CL = 500pF
12
Slew rate
2.2
V/
μs
RL = ∞
470
Capacitive load stability
pF
RL = 2kΩ
1000
Code change glitch impulse
1LSB change around major carry
0.15
nV-s
Digital feedthrough
SCLK toggling, SYNC high
0.15
nV-s
Channel-to-channel dc crosstalk
Full-scale swing on adjacent channel
0.25
LSB
Channel-to-channel ac crosstalk
1kHz full-scale sine wave, outputs unloaded
–100
dB
DC output impedance
At mid-code input
1
Short-circuit current
50
mA
Coming out of power-down mode, AVDD = 5V
2.5
Power-up time
μs
Coming out of power-down mode, AVDD = 3V
5
AC PERFORMANCE(2)
SNR
87
dB
THD
–78
dB
TA = +25°C, BW = 20kHz, VDD = 5V, fOUT = 1kHz.
First 19 harmonics removed for SNR calculation.
SFDR
79
dB
SINAD
77
dB
DAC output noise density
TA = +25°C, at mid-code input, fOUT = 1kHz
120
nV/
√Hz
DAC output noise
TA = +25°C, at mid-code input, 0.1Hz to 10Hz
6
μVPP
REFERENCE
AVDD = 5.5V
360
μA
Internal reference current consumption
AVDD = 3.6V
348
μA
External VREF = 2.5V, if internal reference is disabled,
External reference current
80
μA
all four channels active
Reference input range VREFH voltage
VREFL < VREFH, AVDD – (VREFH + VREFL) /2 > 1.2V
0
AVDD
V
Reference input range VREFL voltage
VREFL < VREFH, AVDD – (VREFH + VREFL) /2 > 1.2V
0
AVDD/2
V
Reference input impedance
31
k
(1)
Linearity calculated using a reduced code range of 120 to 16200; output unloaded.
(2)
Ensured by design or characterization; not production tested.
Copyright
© 2008–2011, Texas Instruments Incorporated
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