Datasheet

2
®
DAC7744
DAC7744E DAC7744EB DAC7744EC
PARAMETER CONDITIONS MIN TYP MAX MIN TYP MAX MIN TYP MAX UNITS
ACCURACY
Linearity Error 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
Bipolar Zero Error T = 25°C ±0.01 ±0.025 ✻✻% of FSR
Bipolar 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
Bipolar 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
LV
REF
H ✻✻✻ ✻V
Output Current ±5 ✻✻ mA
Maximum Load Capacitance 500 ✻✻pF
Short-Circuit Current ±20 ✻✻mA
Short-Circuit Duration To V
SS
, V
DD
or GND Indefinite ✻✻
REFERENCE INPUT
Ref High Input Voltage Range
V
REF
L + 1.25 +10 ✻✻✻ ✻V
Ref Low Input Voltage Range –10
V
REF
H – 1.25 ✻✻✻ ✻V
Ref High Input Current –0.3 2.6 ✻✻mA
Ref Low Input Current –3.2 –0.3 ✻✻mA
DYNAMIC PERFORMANCE
Settling Time To ±0.003%, 20V 9 11 ✻✻ ✻✻ µs
Output Step
Channel-to-Channel Crosstalk See Figure 5 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
–14.25 –15.0 –15.75 ✻✻✻✻✻ ✻ V
I
DD
50 ✻✻µA
I
CC
6 ✻✻mA
I
SS
–5 ✻✻mA
Power 170 200 ✻✻mW
TEMPERATURE RANGE
Specified Performance –40 +85 ✻✻✻ ✻°C
✻ Specifications same as grade to the left.
The information provided herein is believed to be reliable; however, BURR-BROWN assumes no responsibility for inaccuracies or omissions. BURR-BROWN assumes
no responsibility for the use of this information, and all use of such information shall be entirely at the user’s own risk. Prices and specifications are subject to change
without notice. No patent rights or licenses to any of the circuits described herein are implied or granted to any third party. BURR-BROWN does not authorize or warrant
any BURR-BROWN product for use in life support devices and/or systems.
SPECIFICATIONS (Dual Supply)
At T
A
= T
MIN
to T
MAX
, V
CC
= +15V, V
DD
= +5V, V
SS
= –15V, V
REF
H = +10V, and V
REF
L = –10V, unless otherwise noted.