DAC8222BTC/883 AD [Analog Devices], DAC8222BTC/883 Datasheet - Page 2

• Manufacturer Part Number: DAC8222BTC/883
• Description: Dual 12-Bit Double-Buffered Multiplying CMOS D/A Converter
• Manufacturer: AD [Analog Devices]

ELECTRICAL CHARACTERISTICS
T
Parameter
STATIC ACCURACY
DIGITAL INPUTS
POWER SUPPLY
AC PERFORMANCE CHARACTERISTICS
SWITCHING CHARACTERISTICS
NOTES
11
12
13
14
15
DAC8222–SPECIFICATIONS
A
Measured using internal R
Guaranteed and not tested.
See timing diagram.
From 50% of digital input to 90% of final analog output current.
WR, LDAC = 0 V; DB0–DB11 = 0 V to V
V
Resolution
Relative Accuracy
Differential Nonlinearity
Full-Scale Gain Error
Gain Temperature Coefficient
Output Leakage Current
Input Resistance
Input Resistance Match
Digital Input High
Digital Input Low
Input Current
Input Capacitance
Supply Current
DC Power Supply
Propagation Delay
Current Settling Time
Output Capacitance
AC Feedthrough at
DAC Select to
DAC Select to
LDAC to
LDAC to
Data Valid to
Data Valid to
Write Pulse Width
LDAC Pulse Width
= Full Temperature Range Specified in Absolute Maximum Ratings; unless otherwise noted. Specifications apply for DAC A and DAC B.)
REF A
Rejection Ratio
(∆Gain/∆V
Write Set-Up Time
Write Hold Time
Write Set-Up Time
Write Hold Time
Write Set-Up Time
Write Hold Time
∆Gain/∆Temperature
I
I
(V
I
OUT A
OUT B
OUT A
= V
REF A
REF B
(Pin 2),
(Pin 24)
or I
, V
= +10 V; OUT A, OUT B load = 100 Ω, C
DD
REF B
OUT B
)
)
2
4, 5
FB A
1
5, 6
and R
FB B
. Both DAC digital inputs = 1111 1111 1111.
Symbol Conditions
N
INL
DNL
G
TCG
I
R
∆R
R
V
V
I
C
I
PSRR
t
t
C
FT
FT
t
t
t
t
t
t
t
t
DD
LKG
IN
DD
PD
S
AS
AH
LS
LH
DS
DH
WR
LWD
INH
REF
REF
INL
IN
O
FSE
2, 3
REF
or V
A
B
FS
DD
to 0 V.
All Grades are Guaranteed Monotonic
2
Endpoint Linearity Error
DAC8222A/E
DAC8222G
DAC8222F/H
(Notes 2, 7)
All Digital Inputs =
0000 0000 0000
(Note 9)
V
V
V
V
V
and V
DB0–DB11
WR, LDAC, DAC A/DAC B
All Digital Inputs V
All Digital Inputs 0 V or V
∆V
T
T
Digital Inputs = All 0s
C
Digital Inputs = All 1s
C
V
f = 100 kHz; T
V
f = 100 kHz; T
DD
DD
DD
DD
IN
A
A
REF A
REF B
OUT A
OUT A
DD
= +25°C
= +25°C
= 0 V or V
EXT
= +5 V
= +15 V
= +5 V
= +15 V
INL
= ± 5%
, C
, C
to I
to I
= 13 pF.
(@ V
or V
OUT B
OUT B
OUT A
OUT B
DD
INH
DD
A
A
; V
= +5 V or +15 V, V
; V
= +25°C
= +25°C
REF A
REF B
INL
or V
= 20 V p-p;
= 20 V p-p;
+25°C
150
0
80
20
220
0
130
100
DD
INH
DAC8222A/E/G
DAC8222F/H
T
T
T
T
A
A
A
A
16
17
18
19
10
Specifications subject to change without notice.
Settling time is measured from 50% of the digital input change to where the
Gain TC is measured from +25°C to T
= +25°C
= Full Temp. Range
= +25°C
= Full Temp. Range
output voltage settles within 1/2 LSB of full scale.
These limits apply for the commercial and industrial grade products.
Absolute temperature coefficient is approximately +50 ppm/°C.
These limits also apply as typical values for V
logic levels and T
–40°C to +85°C
180
0
100
20
240
0
160
120
REF A
V
DD
= V
= +5 V
REF B
A
= +25°C.
= +10 V, V
8
–55°C to +125°C
210
0
120
20
260
0
170
130
Min
12
8
2.4
13.5
OUT A
MIN
= V
or from +25°C to T
Typ
± 2
± 5
11
± 0.2
± 0.001
10
OUT B
DD
= +12 V with +5 V CMOS
= 0 V; AGND = DGND = 0 V;
V
60
0
60
20
100
10
90
60
All Temps
DD
= +15 V
Max
± 1/2
± 1
± 1
± 1
± 2
± 4
± 5
± 10
± 50
15
± 1
0.8
1.5
± 1
± 10
10
15
2
100
0.002
350
1
90
90
120
120
–70
–70
–70
–70
MAX
10
.
Units
Bits
LSB
LSB
LSB
LSB
LSB
LSB
ppm/°C
nA
nA
kΩ
%
V
V
V
V
µA
µA
pF
pF
mA
µA
%/%
ns
µs
pF
pF
pF
pF
dB
dB
dB
dB
ns min
ns min
ns min
ns min
ns min
ns min
ns min
ns min