AL1213H
9-BIT 0.5MSPS DAC
1
GENERAL DESCRIPTION
The AL1213H is a CMOS 9-Bit D/A converter for general application. This digital to analog converter consists of a
R-2R ladder block & an Op amp block. Its maximum conversion rate is 0.5MSPS.
FEATURES
Resolution : 9-Bit
Differential Linearity Error :
0.16 LSB (TYP)
Maximum Conversion Rate : 0.5MSPS
Supply Voltage : 5V
Single Voltage Output : 0V to 5V
Operation Temperature Range : 0
C to 70
C
TYPICAL APPLICATIONS
DVD
CDP
General purpose Digital to Analog Conversion
FUNCTIONAL BLOCK DIAGRAM
RSTRING
LADDER
OP
AMP
D[6]
AOUT
D[7]
D[2]
D[3]
D[4]
D[5]
D[0]
D[1]
VREF
D[8]
SI
G
N
AL
SEL
EC
T
DACCTL
Rev 2.1 (Apr. 2002)
No responsibility is assumed by SEC for its use nor for any infringements of patents or other rights of third parties
that may result from its use. The content of this datasheet is subject to change without any notice.
9-BIT 0.5MSPS DAC
AL1213H
2
CORE PIN DESCRIPTION
Name
I/O Type
I/O Pad
Pin Description
VDDA
AP
vdda
Analog Power
VSSA
AG
vssa
Analog Ground
VDD
DP
vddd
Digital Power
VSS
DG
vssd
Digital Ground
D[0] ~ D[8]
DI
picc_bb
Digital Input Data
DACCTL
DI
picc_bb
Signal Select signal
VREF
AI
pia_bb
Voltage Reference Top (5V)
AOUT
AO
poa_bb
Analog Voltage Output
VBB
AG
vbb
Analog Ground
I/O TYPE ABBR
AI : Analog Input
DI : Digital Input
AO : Analog Output
DO : Digital Output
AP : Analog Power
AG : Analog Ground
AB : Analog Bi-direction port
DB : Digital Bi-direction port
DP : Digital Power
DG : Digital Ground
DB : Digital Sub Bias
AL1213H
9-BIT 0.5MSPS DAC
3
CORE CONFIGURATION
al1213h
D[8:0]
AOUT
VSS
VDD
VSSA
VDDA
VBB
DACCTL
VREF
ABSOLUTE MAXIMUM RATINGS
Characteristics
Symbol
Typ
Unit
Supply Voltage
VDD
VDDA
5
V
Reference Input Voltage
VRT
VRB
5.0
0.0
V
V
Digital Input Voltage
LOW
Vinh
5.0
V
HIGH
Vinl
0.0
V
Operating Temperature
Top
0 to 70
C
NOTES
:
1.
ABSOLUTE
MAXIMUM
RATING
specifies
the
values
beyond
which
the
device
may
be
damaged
permanently. Exposure
to
ABSOLUTE
MAXIMUM
RATINGS
conditions
for
extended
periods
may
affect
reliability.
Each condition
value
is
applied
with
the
other
values
kept
within
the
following
operating
conditions
and
function
operation
under
any
of
these
conditions
not
implied.
2.
All
voltages
are
measured
with
respect
to
VSSA,VDDD
unless
otherwise
specified.
9-BIT 0.5MSPS DAC
AL1213H
4
RECOMMENDED OPERATING CONDITIONS
Characteristics
Symbol
Min
Typ
Max
Unit
Supply Voltage
VDD
VDDA
4.75
5.0
5.25
V
Reference Input Voltage
VRT
VRB
-
-
5.0
0.0
-
-
V
V
Digital Input Voltage
HIGH
Vinh
0.7 VDDD
-
-
V
LOW
Vinl
-
-
0.3 VDDD
V
Operating Temperature
Top
0
-
70
C
NOTE: It is strongly recommended that to avoid power latch-up all the supply pins (VDDA,VDDD) be driven from the same
source.
DC ELECTRICAL CHARACTERISTICS
(Converter Specifications : VDD = VDDA = 5V, VSS = VSSA = VBB = 0V, Top = 25
C, VREF = 2.5V,
DACCTL = 0.0V unless otherwise specified.)
Characteristics
Symbol
Min
Typ
Max
Unit
Resolution
-
-
9
-
Bits
Differential Linearity Error
DLE
-
0.16
1
LSB
Integral Linearity Error
ILE
-
1.1
1.5
LSB
Maximum Output Voltage
-
4.75
5
5.25
V
LSB Size
-
9.4
9.8
10.1
mV
AL1213H
9-BIT 0.5MSPS DAC
5
AC ELECTRICAL CHARACTERISTICS
(Converter Specifications : VDD = VDDA = 5V, VSS = VSSA = VBB = 0V, Top = 25
C, VREF = 2.5V,
DACCTL = 0.0V unless otherwise specified.)
Characteristics
Symbol
Min
Typ
Max
Unit
Test Conditions
Conversion Rate
fc
-
-
0.5
MSPS
data = 0.5MHz
Dynamic Supply Current
Ivdd
2.0
3.0
7.0
mA
fc = 0.5MHz
(load cap = 25pF)
Analog Output Delay
Td
-
190
300
ns
fc = 0.5MHz
Data: All High
Analog Output Rise Time
Tr
-
230
320
ns
fc = 0.5MHz
Data: All Low
All High
Analog Output Fall Time
Tf
-
230
320
ns
fc = 0.5MHz
Data: All High
All Low
Center Code Rising Time
Trd
-
0.3
0.4
ms
fc = 0.5MHz
Data: 111111111
000000000
Slew Rate
SR
-
10
12
V/ms
fc = 0.5MHz
Data: All High
All Low
*Reference Voltage Output
Response Time
tvr
-
350
-
ns
VREF(arbitrary)
DACCTL = High
*Analog Output Recovery
Time
tar
-
350
-
ns
DACCTL = Low
Data(arbitrary)
* NOTE:
These above items are verified in simulation
PDF 
ZIP