DAC8248 Analog Devices, DAC8248 Datasheet - Page 2

• Manufacturer Part Number: DAC8248
• Description: Dual 12-Bit (8-Bit Byte) Double-Buffered CMOS D/A Converter
• Manufacturer: Analog Devices

Specifications of DAC8248

• Resolution (bits): 12bit
• Dac Update Rate: 1MSPS
• Dac Settling Time: 1µs
• Max Pos Supply (v): +15.75V
• Single-supply: Yes
• Dac Type: Current Out
• Dac Input Format: Byte

ELECTRICAL CHARACTERlSTICS
DAC8248–SPECIFICATIONS
T
Parameter
STATIC ACCURACY
DIGITAL INPUTS
POWER SUPPLY
AC PERFORMANCE CHARACTERISTICS
A
= Full Temp Range specified in Absolute Maximum Ratings; unless otherwise noted. Specifications apply for DAC A and DAC B.)
Resolution
Relative Accuracy
Differential Nonlinearity
Full-Scale Gain Error
Gain Temperature Coefficient
Output Leakage Current
Input Resistance (V
Input Resistance Match
Digital Input High
Digital Input Low
Input Current (V
Input Capacitance
Supply Current
DC Power Supply Rejection Ratio
Propagation Delay
Output Current Setting Time
Output Capacitance
AC Feedthrough at
( Gain/ Temperature)
I
or V
(Note 2)
( Gain/ V
I
OUT A
OUT A
DD
(Pin 2), I
or I
and V
OUT B
DD
)
INL
IN
OUT B
5, 6
or V
REF A
= 0 V
1
INH
(Pin 24)
,
REF B
)
6, 7
)
Symbol
N
INL
DNL
G
TCG
I
R
V
V
I
C
I
PSRR
t
t
C
FT
FT
LKG
IN
DD
PD
S
R
REF
INH
INL
IN
O
FSE
R
REF
A
B
REF
FS
2
(@ V
DD
Conditions
DAC8248A/E/G
DAC8248F/H
All Grades are Guaranteed Monotonic
DAC8248A/E
DAC8248G
DAC8248F/H
(Notes 2, 3)
All Digital Inputs = 0s
T
T
(Note 4)
V
V
V
V
T
T
DB0–DB11
WR, LDAC, DAC A/DAC B,
Digital Inputs = V
Digital Inputs = 0 V or V
T
T
Digital Inputs = All 0s
C
Digital Inputs = All 1s
C
V
f = 100 kHz; T
V
f = 100 kHz; T
LSB/MSB, RESET
V
DD
DD
DD
DD
REF A
REF B
A
A
A
A
A
A
= +5 V or +15 V; V
OUT A
OUT A
DD
= +25 C
= Full Temperature Range
= +25 C
= Full Temperature Range
= +25 C
= +25 C
= +5 V
= +15 V
= +5 V
= +15 V
= 5%
, C
, C
to I
to I
OUT B
OUT B
OUT B
OUT A
–2–
A
A
; V
; V
= +25 C
= +25 C
INL
REF B
REF A
REF A
or V
= V
= 20 V p-p
= 20 V p-p
DD
INH
REF B
= +10 V; V
OUTA
Min
12
8
2.4
13.5
= V
OUT B
DAC8248
Typ
11
10
= 0 V; AGND = DGND = 0 V;
2
5
0.2
0.001
15
0.8
1.5
10
15
2
100
0.002
350
1
90
120
–70
–70
Max
1/2
1
1
1
2
4
5
10
50
1
1
10
Units
Bits
LSB
LSB
LSB
LSB
LSB
LSB
ppm/ C
nA
k
%
V
V
V
V
pF
pF
mA
%/%
ns
pF
pF
dB
dB
REV. B
A
A
A
s