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DAC8551-Q1 Datasheet, PDF (5/28 Pages) Texas Instruments – Automotive 16-Bit, Ultralow-Glitch, Voltage-Output DAC
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DAC8551-Q1
SLASEB8A – FEBRUARY 2016 – REVISED MARCH 2016
Electrical Characteristics (continued)
VDD = 3.2 V to 5.5 V, VREF = VDD and TA = –40°C to 125°C, unless otherwise noted.
PARAMETER
TEST CONDITIONS
OUTPUT CHARACTERISTICS(2)
Output voltage range
Output voltage settling time
Slew rate
To ±0.003% FSR, 0200h to FD00h
RL = 2 kΩ, 0 pF < CL < 200 pF
Capacitive load stability
Code change glitch impulse
RL = ∞
RL = 2 kΩ
1 LSB change around major carry
Digital feedthrough
50 kΩ series resistance on digital lines
DC output impedance
At mid-code input
Short-circuit current
AC PERFORMANCE
VDD = 3.2 V to 5.5 V
SNR Signal-to-noise ratio
THD Total harmonic distortion
SFDR Spurious-free dynamic range
BW = 20 kHz, VDD = 5 V, VREF = 4.5 V, fOUT = 1 kHz
First 19 harmonics removed for SNR calculation
SINAD Signal to noise and distortion
REFERENCE INPUT
Reference current
Reference input range
VREF = VDD = 5.5 V
VREF = VDD = 3.6 V
Reference input impedance
LOGIC INPUTS(2)
Input current
VINL Input low voltage
VINH
Input high voltage
Pin capacitance
VDD = 5 V
VDD = 3.3 V
VDD = 5 V
VDD = 3.3 V
POWER REQUIREMENTS
VDD
Supply voltage
IDD
Supply current
POWER EFFICIENCY
Normal mode, input code = 32,768, no load, does not include
reference current. VIH = VDD and VIL = GND,
VDD = 3.6 V to 5.5 V
Normal mode, input code = 32,768, no load, does not include
reference current. VIH = VDD and VIL = GND,
VDD = 3.2 V to 3.6 V
All power-down modes, VIH = VDD and VIL = GND,
VDD = 3.6 V to 5.5 V
All power-down modes, VIH = VDD and VIL = GND,
VDD = 3.2 V to 3.6 V
IOUT / IDD
TEMPERATURE RANGE
ILOAD = 2 mA, VDD = 5 V
TA
Ambient temperature
(2) Specified by design and characterization; not production tested.
MIN
0
0
0.7×VDD
0.9×VDD
3.2
–40
TYP
MAX
8
1.4
470
1000
0.1
0.1
1
35
VREF
84
–80
84
76
50
25
VDD
125
±1
0.3×VDD
0.1×VDD
3
5.5
160
250
110
240
0.8
3
0.5
3
89%
125
UNIT
V
μs
V/μs
pF
pF
nV-s
nV-s
Ω
mA
dB
dB
dB
dB
μA
V
kΩ
μA
V
V
pF
V
μA
°C
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