Datasheet

3
®
DAC7744
DAC7744E DAC7744EB DAC7744EC
PARAMETER CONDITIONS MIN TYP MAX MIN TYP MAX MIN TYP MAX UNITS
ACCURACY
Linearity Error
(1)
T = 25°C ±3 ✻ ±2 LSB
T
MIN
to T
MAX
±4 ✻ ±3 LSB
Linearity Match ±4 ✻ ±2 LSB
Differential Linearity Error T = 25°C ±3 ±2 ±1 LSB
T
MIN
to T
MAX
±3 ±2 ±1 LSB
Monotonicity, T
MIN
to T
MAX
14 15 16 Bits
Unipolar Zero T = 25°C ±0.01 ±0.025 ✻✻% of FSR
Unipolar Zero Error, T
MIN
to T
MAX
±0.05 ✻✻% of FSR
Full-Scale Error T = 25°C ±0.025 ✻✻% of FSR
Full-Scale Error,
T
MIN
to T
MAX
±0.05 ✻✻% of FSR
Unipolar Zero Matching Channel-to-Channel ±0.024 ✻✻% of FSR
Matching
Full-Scale Matching Channel-to-Channel ±0.024 ✻✻% of FSR
Matching
Power Supply Rejection Ratio (PSRR) At Full Scale 25 ✻✻ppm/V
ANALOG OUTPUT
Voltage Output V
REF
L = 0V, V
SS
= 0V 0 V
REF
H ✻✻✻ ✻V
R = 10kΩ
Output Current ±5 ✻✻ mA
Maximum Load Capacitance 500 ✻✻pF
Short-Circuit Current ±20 ✻✻mA
Short-Circuit Duration To V
SS
, V
CC
or GND Indefinite ✻✻
REFERENCE INPUT
Ref High Input Voltage Range
V
REF
L + 1.25 +10 ✻✻✻ ✻V
Ref Low Input Voltage Range 0
V
REF
H – 1.25 ✻✻✻ ✻V
Ref High Input Current –0.3 1.0 ✻✻mA
Ref Low Input Current –1.5 –0.3 ✻✻mA
DYNAMIC PERFORMANCE
Settling Time To ±0.003%, 10V 8 10 ✻✻ ✻ ✻ µs
Output Step
Channel-to-Channel Crosstalk See Figure 6 0.5 ✻✻LSB
Digital Feedthrough 2 ✻✻nV-s
Output Noise Voltage f = 10kHz 60 ✻✻nV/√Hz
DIGITAL INPUT
V
IH
0.7 • V
DD
V
DD
✻✻ V
V
IL
0 0.3 • V
DD
✻ V
I
IH
±10 ✻ µA
I
IL
±10 ✻ µA
DIGITAL OUTPUT
V
OH
I
OH
= –0.8mA 3.6 4.5 ✻✻ ✻✻ V
V
OL
I
OL
= 1.6mA 0.3 0.4 ✻✻ ✻ ✻ V
POWER SUPPLY
V
DD
+4.75 +5.0 +5.25 ✻✻✻✻✻ ✻ V
V
CC
+14.25 +15.0 +15.75 ✻✻✻✻✻ ✻ V
V
SS
0 ✻✻V
I
DD
50 ✻✻µA
I
CC
3.5 ✻✻mA
Power 50 70 ✻✻mW
TEMPERATURE RANGE
Specified Performance –40 +85 ✻✻✻ ✻°C
✻ Specifications same as grade to the left.
NOTE: (1) If V
SS
= 0V, the specification applies at code 0021
H
and above, due to possible negative zero scale error.
SPECIFICATIONS (Single Supply)
At T
A
= T
MIN
to T
MAX
, V
CC
= +15V, V
DD
= +5V, V
SS
= GND, V
REF
H = +10V, and V
REF
L = +50mV, unless otherwise noted.