Datasheet

®
2
DAC7621
SPECIFICATIONS
ELECTRICAL
At T
A
= –40°C to +85°C, and V
DD
= +5V, 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.
DAC7621E DAC7621EB
PARAMETER CONDITIONS MIN TYP MAX MIN TYP MAX UNITS
RESOLUTION 12 ✻ Bits
ACCURACY
Relative Accuracy
(1)
–2 ±1/2 +2 –1 ±1/4 +1 LSB
Differential Nonlinearity Guaranteed Monotonic –1 ±1/2 +1 –1 ±1/4 +1 LSB
Zero-Scale Error Code 000
H
–1 +1 +3 ✻✻✻ LSB
Full Scale Voltage Code FFF
H
4.079 4.095 4.111 4.087 4.095 4.103 V
ANALOG OUTPUT
Output Current Code 800
H
±5 ±7 ✻✻ mA
Load Regulation R
LOAD
≥ 402Ω, Code 800
H
13 ✻✻ LSB
Capacitive Load No Oscillation 500 ✻ pF
Short-Circuit Current ±20 ✻ mA
Short-Circuit Duration GND or V
DD
Indefinite ✻
DIGITAL INPUT
Data Format Parallel ✻
Data Coding Straight Binary ✻
Logic Family CMOS ✻
Logic Levels
V
IH
0.7 • V
DD
✻ V
V
IL
0.3 • V
DD
✻ V
I
IH
±10 ✻ µA
I
IL
±10 ✻ µA
DYNAMIC PERFORMANCE
Settling Time
(2)
(t
S
) To ±1 LSB of Final Value 7 ✻ µs
DAC Glitch 5 ✻ nV-s
Digital Feedthrough 2 ✻ nV-s
POWER SUPPLY
V
DD
+4.75 +5.0 +5.25 ✻✻✻ V
I
DD
V
IH
= 5V, V
IL
= 0V, No Load, at Code 000
H
0.5 1 ✻✻ mA
Power Dissipation V
IH
= 5V, V
IL
= 0V, No Load 2.5 5 ✻✻ mW
Power Supply Sensitivity ∆V
DD
= ±5% 0.001 0.004 ✻✻ %/%
TEMPERATURE RANGE
Specified Performance –40 +85 ✻✻°C
✻ Same specification as for DAC7621E.
NOTES: (1) This term is sometimes referred to as Linearity Error or Integral Nonlinearity (INL). (2) Specification does not apply to negative-going transitions where
the final output voltage will be within 3 LSBs of ground. In this region, settling time may be double the value indicated.