Datasheet

DAC8420
Rev. B | Page 5 of 24
@ V
DD
= +15.0 V ± 5%, V
SS
= −15.0 V ± 5%, V
VREFHI
= +10.0 V, V
VREFLO
= −10.0 V, −40°C ≤ T
A
≤ +85°C unless otherwise noted.
1, 2
Table 2.
Parameter Symbol Condition Min Typ Max Unit
STATIC ACCURACY
Integral Linearity E Grade INL ±¼ ±½ LSB
Integral Linearity F Grade INL ±½ ±1 LSB
Differential Linearity DNL Monotonic over temperature ±¼ ±1 LSB
Zero-Scale Error ZSE R
L
= 2 kΩ ±2 LSB
Full-Scale Error FSE R
L
= 2 kΩ ±2 LSB
Zero-Scale Temperature Coefficient TC
ZSE
R
L
= 2 kΩ
3
±4 ppm/°C
Full-Scale Temperature Coefficient TC
FSE
R
L
= 2 kΩ
3
±4 ppm/°C
MATCHING PERFORMANCE
Linearity Matching ±1 LSB
REFERENCE
Positive Reference Input Range
4
V
VREFHI
V
VREFLO
+ 2.5 V
DD
− 2.5 V
Negative Reference Input Range
4
V
VREFLO
−10 V
VREFHI
− 2.5 V
Reference High Input Current I
VREFHI
Code 0x000, Code 0x555 −2.0 ±1.0 +2.0 mA
Reference Low Input Current I
VREFLO
Code 0x000, Code 0x555 −3.5 −2.0 mA
AMPLIFIER CHARACTERISTICS
Output Current I
OUT
−5 +5 mA
Settling Time t
S
To 0.01%
5
13 μs
Slew Rate SR 10% to 90%
5
2 V/μs
DYNAMIC PERFORMANCE
Analog Crosstalk
3
>64 dB
Digital Feedthrough
3
>72 dB
Large Signal Bandwidth 3 dB, V
VREFHI
= 5 V + 10 V p-p, V
VREFLO
= −10 V
3
90 kHz
Glitch Impulse Code Transition = 0x7FF to 0x800
3
6 μV-s
LOGIC CHARACTERISTICS
Logic Input High Voltage V
INH
2.4 V
Logic Input Low Voltage V
INL
0.8 V
Logic Input Current I
IN
10 μA
Input Capacitance
3
C
IN
13 pF
LOGIC TIMING CHARACTERISTICS
3, 6
Data Setup Time t
DS
25 ns
Data Hold t
DH
20 ns
Clock Pulse Width High t
CH
30 ns
Clock Pulse Width Low t
CL
50 ns
Select Time t
CSS
55 ns
Deselect Delay t
CSH
15 ns
Load Disable Time t
LD1
40 ns
Load Delay t
LD2
15 ns
Load Pulse Width t
LDW
45 ns
Clear Pulse Width t
CLRW
70 ns
SUPPLY CHARACTERISTICS
Power Supply Sensitivity PSRR 0.002 0.01 %/%
Positive Supply Current I
DD
6 9 mA
Negative Supply Current I
SS
−8 −5 mA
Power Dissipation P
DISS
255 mW
1
Typical values indicate performance measured at 25°C.
2
All supplies can be varied ±5% and operation is guaranteed.
3
Guaranteed, but not tested.
4
Operation is guaranteed over this reference range, but linearity is neither tested nor guaranteed.
5
V
OUT
swing between +10 V and −10 V.
6
All input control signals are specified with tr = tf = 5 ns (10% to 90% of 5 V) and timed from a voltage level of 1.6 V.