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DAC8574 Datasheet, PDF (3/40 Pages) Texas Instruments – QUAD, 16-BIT, LOW-POWER, VOLTAGE OUTPUT, I2C INTERFACE DIGITAL-TO-ANALOG CONVERTER
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DAC8574
SLAS377A – JANUARY 2003 – REVISED JUNE 2003
ELECTRICAL CHARACTERISTICS
VDD = 2.7 V to 5.5 V, RL = 2 kΩ to GND; CL = 200 pF to GND; all specifications -40°C to +105°C, unless otherwise specified.
PARAMETER
STATIC PERFORMANCE (1) (2)
TEST CONDITIONS
MIN
TYP
MAX
UNITS
Resolution
16
Bits
Relative accuracy
± 0.0987
% of FSR
Differential nonlinearity
Specified monotonic by design
±1
LSB
Zero-scale error
5
20
mV
Full-scale error
-0.15
±1.0
% of FSR
Gain error
± 1.0
% of FSR
Zero code error drift
±7
µV/°C
Gain temperature coefficient
±3
ppm of FSR/°C
PSRR
OUTPUT CHARACTERISTICS (3)
VDD = 5 V
0.75
mV/V
Output voltage range
Output voltage settling time (full scale)
Slew rate
RL = 2 kΩ; 0 pF < CL < 200 pF
RL = 2 kΩ; CL = 500 pF
0
VREFH
V
8
10
µs
12
µs
1
V/µs
DC crosstalk
0.25
LSB
AC crosstalk
1 kHz Sine Wave
-100
-96
dB
Capacitive load stability
Digital-to-analog glitch impulse
RL= ∞
RL= 2 kΩ
1 LSB change around major carry
470
1000
20
pF
pF
nV-s
Digital feedthrough
0.5
nV-s
DC output impedance
1
Ω
Short-circuit current
VDD= 5 V
50
mA
VDD= 3 V
20
mA
Power-up time
Coming out of power-down mode, VDD=
2.5
µs
+5 V
Coming out of power-down mode, VDD=
5
µs
+3 V
REFERENCE INPUT
VREFH Input range
VREFL Input range
Reference input impedance
VREFL < VREFH
0
VDD
V
0
GND
VDD
V
35
kΩ
Reference current
LOGIC INPUTS (3)
VREF=VDD= +5 V
VREF=VDD= +3 V
135
180
µA
80
120
Input current
±1
µA
VIN_L, Input low voltage
VIN_H, Input high voltage
Pin Capacitance
VDD= 3 V
0.7xIOVDD
0.3xIOVDD
V
V
3
pF
POWER REQUIREMENTS
VDD, IOVDD
IDD(normal operation)
IDD@ VDD=+3.6V to +5.5V
Excluding load current
VIH= IOVDDand VIL=GND
2.7
5.5
V
950
1600
µA
(1) Linearity tested using a reduced code range of 485 to 64714; output unloaded.
(2) VREFH = VDD - 0.1 V, VREFL = GND
(3) Specified by design and characterization, not production tested.
3