ADM8840ACP Просмотр технического описания (PDF) - Analog Devices
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ADM8840ACP Datasheet PDF : 10 Pages
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PRELIMINARY TECHNICAL DATA
ADM8840
Timing Specifications
VCC = +3V-10%,+20%, TA=-40°C to +85°C
PARAMETER
POWER-UP SEQUENCE
5V Rise time, TR5V
+15V Rise time, TR15V
-15V Fall time, TF15V
Delay between VCC rise
and SHDN rise, TDELAY1
Delay between -15V fall
and +15V rise, TDELAY2
Min
Typ
TBD
TBD
TBD
TBD
TBD
Max
Units
Test Conditions /Comments
us
10% to 90%, Figure 2
ms
10% to 90%, Figure 2
ms
90% to 10%, Figure 2
ms
Figure 2
ms
Figure 2
POWER- DOWN SEQUENCE
5V Fall time, TF5V
+15V Fall time, TF15V
-15V Rise time, TR15V
TBD
TBD
TBD
ms
90% to 10%, Figure 2
ms
90% to 10%, Figure 2
ms
10% to 90%, Figure 2
SERIAL INTERFACE
t1
t2
t3
t4
t5
t6
t7
TBD
TBD
TBD
TBD
TBD
TBD
TBD
ns
CS/LDAC falling edge to SCLK
Rising Edge; Note 1; Note2
ns
SCLK High Pulsewidth; Note 1; Note2
ns
SCLK Low Pulsewidth; Note 1; Note2
ns
Minumum CS/LDAC high time;
Note 1; Note2
ns
SCLK Rising Edge to CS/LDAC
Rising Edge; Note 1; Note2
ns
DATA Setup time; Note 1; Note2
ns
DATA Hold time; Note 1; Note2
NOTES
1. Guaranteed by Design. Not 100% Production Tested.
2. See Timing Diagram in Figure 4.
* Specifications are target values and are subject to change without notice.
ABSOLUTE MAXIMUM RATINGS*
(TA=25oC unless otherwise noted.)
Model
ORDERING GUIDE
Temperature
Package
Supply Voltage
Input Voltage on Digital Inputs
Output Short Circuit Duration to GND
Output Voltage
-0.3 V to +4.0 V
-0.3 V to +4.0 V
10 seconds
Range
Option
ADM8840ACP -40°C to +85°C CP-32
+5.0V Output
-15.0V Output
+15.0V Output
-0.3 V to +6.0 V
-17 V to +0.3 V
-0.3 V to +17 V
PIN CONFIGURATION
Operating Temperature Range
Power Dissipation
Storage Temperature Range
ESD
-40°C to +85°C
50mW
-65°C to +150°C
Class I
C1+ 1
32 31 30 29 28 27 26 25
ADM8840
TOP VIEW
24 C3-
*Stresses above those listed under “Absolute Maximum Ratings” may
cause permanent damage to the device. This is a stress rating only;
functional operation of the device at these or any other conditions above
those indicated in the operational section of this specification is not
implied. Exposure to absolute maximum rating conditions for extended
periods may affect device reliability.
VCC 2
VOUT 3
5VOUT 4
5VIN 5
SHDN 6
(NOT TO SCALE)
23 15VOUT
22 VCC
21 C5-
20 C5+
19 ADD_OUT
DAC1_SD 7
18 COM_IN
THERMAL CHARACTERISTICS
32-Lead LFCSP Package:
⍜JA = 28°C/Watt
DAC2_SD 8
17 GND
9 10 11 12 13 14 15 16
–4–
REV. PrG 2/03
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