Datasheet

®
DAC811
2
DAC811AH, JP, JU DAC811BH, KP, KU
PARAMETER MIN TYP MAX MIN TYP MAX UNITS
DIGITAL INPUT
Resolution 12 Bits
Codes
(1)
USB, BOB
Digital Inputs Over Temperature Range
(2)
V
IH
+2 +15 ✻✻VDC
V
IL
0 +0.8 ✻✻VDC
I
IH
, V
I
= +2.7V +10 µA
I
IL
, V
I
= +0.4V ±20 µA
Digital Interface Timing Over Temperature Range
t
WP
, WR Pulse Width 50 ns
t
AW
1, N
X
and LDAC Valid to End of WR 50 ns
t
DW
, Data Valid to End of WR 80 ns
t
DH
, Data Valid Hold Time 0 ns
ACCURACY
Linearity Error ±1/4 ±1/2 ±1/8 ±1/4 LSB
Differential Linearity Error ±1/2 ±3/4 ±1/4 ±1/2 LSB
Gain Error
(3)
±0.1 ±0.2 ✻✻ %
Offset Error
(3, 4)
±0.05 ±0.15 ✻✻% of FSR
(5)
Monotonicity Guaranteed
Power Supply Sensitivity: +V
CC
±0.001 ±0.003 ✻✻% of FSR/%V
CC
–V
CC
±0.002 ±0.006 ✻✻% of FSR/%V
CC
V
DD
±0.0005 ±0.0015 ✻✻% of FSR/%V
DD
DRIFT (Over Specification Temperature Range)
Gain ±10 ±30 ±10 ±20 ppm/°C
Unipolar Offset ±5 ±10 ±5 ±7 ppm of FSR/°C
Bipolar Zero ±5 ±10 ±5 ±7 ppm of FSR/°C
Linearity Error Over Temperature Range ±1/2 ±3/4 ±1/4 ±1/2 LSB
Monotonicity Over Temperature Range Guaranteed
SETTLING TIME
(6)
(to within ±0.01% of FSR of Final Value; 2k load)
For Full Scale Range Change, 20V Range 3 4 ✻✻ µs
10V Range 3 4 ✻✻ µs
For 1LSB Change at Major Carry
(7)
1 µs
Slew Rate
(6)
812 ✻✻ V/µs
ANALOG OUTPUT
Voltage Range (±V
CC
= 15V)
(8)
: Unipolar 0 to +10 V
Bipolar ±5, ±10 V
Output Current ±5 mA
Output Impedance (at DC) 0.2
Short Circuit to Common Duration Indefinite
REFERENCE VOLTAGE
Voltage +6.2 +6.3 +6.4 ✻✻ V
Source Current Available for External Loads +2 mA
Temperature Coefficient ±10 ±30 ±10 ±20 ppm/°C
Short Circuit to Common Duration Indefinite
POWER SUPPLY REQUIREMENTS
Voltage: +V
CC
+11.4 +15 +16.5 ✻✻ VDC
–V
CC
–11.4 –15 –16.5 ✻✻ VDC
V
DD
+4.5 +5 +5.5 ✻✻ VDC
Current (no load): +V
CC
+16 +25 ✻✻ mA
–V
CC
–23 –35 ✻✻ mA
V
DD
+8 +15 ✻✻ mA
Potential at DCOM with Respect to ACOM
(9)
±0.5 V
Power Dissipation 625 800 ✻✻ mW
TEMPERATURE RANGE
Specification: J, K 0 +70 ✻✻°C
A, B –25 +85 ✻✻°C
R, S –65 +150 ✻✻°C
°C
Storage: J, K –60 +100 ✻✻°C
A, B, R, S –65 +150 ✻✻°C
Specification same as DAC811AH, JP, JU.
NOTES: (1) USB = unipolar straight binary; BOB = bipolar offset binary. (2) TTL, LSTTL and 54/74 HC compatible. (3) Adjustable to zero with external trim
potentiometer. (4) Error at input code 000
16
for both unipolar and bipolar ranges. (5) FSR means full scale range and is 20V for the ±10V range. (6) Maximum
represents the 3σ limit. Not 100% tested for this parameter. (7) At the major carry, 7FF
16
to 800
16
and 800
16
to 7FF
16
. (8) Minimum supply voltage required for ±10V
output swing is ±13.5V. Output swing for ±11.4V supplies is at least –8V to +8V. (9) The maximum voltage at which ACOM and DCOM may be separated without
affecting accuracy specifications.
SPECIFICATIONS
At T
A
= +25°C. ±V
CC
= 12V or 15V, unless otherwise noted.