DAC1136 AD [Analog Devices], DAC1136 Datasheet - Page 8

• Manufacturer Part Number: DAC1136
• Description: HighR esoluti1o6n- a nd1 8-Bit Digital-to-AnaClongv efters
• Manufacturer: AD [Analog Devices]

2. The digital inpur code can be changed at any rime up ro
The Card-Mounted Assembly for the DAC1136/1138 allows
for several user-selectable output configurations:
input registers are:
1.-l
3 . The actual transfer of the input code to the DAC will occur
OUTPUT OPTIONS
Since the Card-Mounted Assembly contains input registers, the
card requires a srrobe pulse circuit. Strobe characteristics of
2. Analog Devices model 234L; for low noise, low drift appli-
INPUT OPTIONS
The Card-Mounted Assembly contains input registers. The
input code ordered by the user is set at the factory by means
of various jumpers in the logic circuitry. See ordering guide
for details.
1. Internal Output Amplifier inside the DAC Module.
enabled for the following - 8ps. Thus there will be a delay of
ry 1ltr,rs before the deglitched ourput srarts slewing to the new
value. Actual data transfer to the DAC automatically occurs
Edge-Triggered. Positive pulse should remain HI for )
and including that instant when the strobe command goes
H I .
- 3ps after the strobe command; during this 3ps the digital
order to prevent the possible coupling of logic noiselnto
the DAC output. Ar b +3ps, the deglitcher is automatically
at to +3.1ps.
1Oons.
input code to the card assembly should not be changed, in
t_.|
cations (2pV, tO. 11,rV/'C).
L Strobe Pulse: One Std. series 74LS load, Leading-
2. DACll36/1
1. Module only:
WHEN ORDERING THE DACl136 OR DACl138, ORDER EITHER:
138 as a Card-Mounted Assembly:
NOTE 1: NOT AVATLABLE FOR
DAC1136L, DAC1138J
ANO DAC1I38K.
D A C 1 1 3 6 L
D A C 1 1 3 6 J
D A C 1 1 3 6 K
AND 2341
D E G L I T C H E R I V
ORDERING GUIDE
-&
2 . T H I S C O N N E C T I O N S C H E M E C A N N O T B E U S E D W I T H I N T E R N A L
N O T E :
1 . V O L T A G E D R O P B E T W E E N S O U R C E L O A N D S E N S E L O M U S T O B S E R V E C U R R E N T
4. Deglitcher IV with self-contained precision BI-FET outpur
6. Deglitcher IV with model 44K output amplifier (recomme
When using an external amplifier, a four terminal output con-
5. Deglitcher IV with mod,el 234L ourpur amplifier.
nection can be utilized on the Card-Mounted Assembly in
order to allow for compensation of connector contact re-
sistance.
3. Analog Devices model 44K; available only with DACl136
M O D E C O M P L I A N C E L I M I T S F O R R A T E D A C C U R A C Y .
A M P L I F I E R O F T H E D A C O R W I T H T H E A I V I P L I F I E R
I N T E R N A L T O T H E D E G L I T C H E R I V .
M O U N T I N G C A R D
SIGN PLUS MAG 8IN
w i t h D A C l 1 3 6 o n l y ) .
recommended only for high speed or high current
applications.
amplifier (AD542K).
D A C 1 1 3 8 J
D A C 1 1 3 8 K
O A C O N
Figure 8. Four-Terminal Output Connections
O P T I O N A L A M P L I F I E R S
O U T P U T C I R C U I T W I T H
R 1
ANALOG
D I G I T A L
C O M M .
C O M M .
I
J2
c s o u R c E H l
E - souncr lo
\
B
S E N S E H I
- l f
*vs-{T
=,;JiI"t
*vt-l-.5v
= i S
-vs-1__J
R E F E R E N C E
VOLTAGE
DAC
.--l