Datasheet

2
®
DAC8043
DAC8043U DAC8043UC
SPECIFICATIONS
ELECTRICAL CHARACTERISTICS
At V
DD
= +5V; V
REF
= +10V; I
OUT
= GND = 0V; T
A
= Full Temperature Range specified under Absolute Maximum Ratings, unless otherwise noted.
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.
PARAMETER SYMBOL CONDITIONS MIN TYP MAX MIN TYP MAX UNITS
STATIC PERFORMANCE
Resolution N 12 12 Bits
Nonlinearity
(1)
INL ±1 ±1/2 LSB
Differential Nonlinearity
(2)
DNL ±1 ±1/2 LSB
Gain Error
(3)
FSE T
A
= +25°C ±2 ±1 LSB
T
A
= Full Temp Range ±2 ±2 LSB
Gain Tempco
(5)
TC
FSE
±5 ±5 ppm/°C
Power Supply Rejection Ratio PSRR V
DD
= ±5% ±0.0006 ±0.002 ±0.0006 ±0.002 %/%
Output Leakage Current
(4)
I
LKG
T
A
= +25°C ±5 ±5nA
T
A
= Full Temp Range ±100 ±25 nA
Zero Scale Error
(7, 12)
I
ZSE
T
A
= +25°C 0.03 0.03 LSB
T
A
= Full Temp Range 0.60 0.15 LSB
Input Resistance
(8)
R
IN
7 11 15 7 11 15 k
AC PERFORMANCE
Output Current Settling Time
(5, 6)
t
S
T
A
= +25°C 0.25 1 0.25 1 µs
Digital-to-Analog Glitch V
REF
= 0V 2 20 2 20 nVs
Energy
(5, 10)
QI
OUT
= Load = 100
C
EXT
= 13pF
DAC Register Loaded Alternately with all 0s and all 1s
Feedthrough Error
(5, 11)
FT V
REF
= 20Vp-p at f = 10kHz 0.7 1 0.7 1 mVp-p
(V
REF
to I
OUT
) Digital Input = 0000 0000 0000
T
A
= +25°C
Total Harmonic Distortion
(5)
THD V
REF
= 6V
RMS
at 1kHz –85 –85 dB
DAC Register Loaded with all 1s
Output Noise Voltage Density
(5, 13)
e
N
10Hz to 100kHz 17 17 nV/Hz
Between R
FB
and I
OUT
DIGITAL INPUTS
Digital Input High V
IH
2.4 2.4 V
Digital Input Low V
IL
0.8 0.8 V
Input Leakage Current
(9)
I
IL
V
IN
= 0V to +5V ±1 ±1 µA
Input Capacitance
(5, 11)
C
IN
V
IN
= 0V 8 8 pF
ANALOG OUTPUTS
Output Capacitance
(5)
C
OUT
Digital Inputs = V
IH
110 110 pF
Digital Inputs = V
IL
80 80 pF
TIMING CHARACTERISTICS
(5, 14)
Data Setup Time t
DS
T
A
= Full Temperature Range 40 40 ns
Data Hold Time t
DH
T
A
= Full Temperature Range 80 80 ns
Clock Pulse Width High t
CH
T
A
= Full Temperature Range 90 90 ns
Clock Pulse Width Low t
CL
T
A
= Full Temperature Range 120 120 ns
Load Pulse Width t
LD
T
A
= Full Temperature Range 120 120 ns
LSB Clock into Input Register
to Load DAC Register Time t
ASB
T
A
= Full Temperature Range 0 0 ns
POWER SUPPLY
Supply Voltage V
DD
4.75 5 5.25 4.75 5 5.25 V
Supply Current I
DD
Digital Inputs = V
IH
or V
IL
500 500 µA
Digital Inputs = 0V or V
DD
100 100 µA
NOTES: (1) ±1/2 LSB = ±0.012% of Full Scale. (2) All grades are monotonic to 12-bits over temperature. (3) Using internal feedback resistor. (4) Applies to I
OUT
; All
digital inputs = 0V. (5) Guaranteed by design and not tested. (6) I
OUT
Load = 100, C
EXT
= 13pF, digital input = 0V to V
DD
or V
DD
to 0V. Extrapolated to 1/2 LSB:
t
S
= propagation delay (t
PD
) + 9τ where τ = measured time constant of the final RC decay. (7) V
REF
= +10V, all digital inputs = 0V. (8) Absolute temperature coefficient
is less than ±50ppm/°C. (9) Digital inputs are CMOS gates: I
IN
is typically 1nA at +25°C. (10) V
REF
= 0V, all digital inputs = 0V to V
DD
or V
DD
to 0V. (11) All digital
inputs = 0V. (12) Calculated from worst case R
REF
: I
ZSE
(in LSBs) = (R
REF
X I
LKG
X 4096)/V
REF
. (13) Calculations from en = 4K TRB where: K = Boltzmann constant,
J/°K, R = resistance, . T = Resistor temperature, °K, B = bandwidth, Hz. (14) Tested at V
IN
= 0V or V
DD
.