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MP7612 Datasheet(Hoja de datos) 5 Page - Exar Corporation

No. de Pieza. MP7612
Descripción  Octal 12-Bit DAC Array D/A Converter with Output Amplifier and Serial Data/Address uP Control Logic
Descarga  20 Pages
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Fabricante  EXAR [Exar Corporation]
Página de inicio  http://www.exar.com
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MP7612
5
Rev. 3.00
25
°C
Tmin to Tmax
ELECTRICAL CHARACTERISTICS (CONT’D)
Parameter
Symbol
Min
Typ
Max
Min
Max
Units
Test Conditions/Comments
DIGITAL INPUTS3
Logic High
VIH
2.4
V
Logic Low
VIL
0.8
V
Input Current
IL
+10
µA
Input Capacitance1
CL
8pF
ANALOG OUTPUTS
Output Swing
–VEE +1.4
VCC –1.4
V
Output Drive Current
–5
5
mA
Output Impedance
RO
1
Output Short Circuit Current
ISC
25
mA
+FS to AGND
30
mA
+FS to VEE
40
mA
–FS to AGND
55
mA
–FS to VCC
DIGITAL OUTPUTS
Output High Voltage
VOH
4.5
V
Output Low Voltage
VOL
0.5
V
POWER SUPPLIES
VCC Voltage5
VCC
VREF+1.5 12
12.75
VREF+1.5 12.75
V
VEE Voltage5
VEE –12.75
–12
–5
–12.75
–5
V
DVDD Voltage
DVDD
4.5
5
5.5
4.5
5.5
V
Positive Supply Current
ICC
8
10
10
mA
Bipolar zero
Negative Supply Current
IEE
15
20
20
mA
Bipolar zero
Digital Supply Current
IDD
2
2
mA
Bipolar zero
Power Dissipation
PDISS
320
420
450
mW
Bipolar zero
ANALOG GROUND CURRENT
Per Channel1
IAGND
±60
µA
See Application Notes
DIGITAL TIMING
SPECIFICATIONS1,4
VIL = 0, VIH = 5.0, CL = 20 pF
Input Clock Pulse Width
tCH, tCL
35
ns
Data Setup Time
tDS
15
ns
Data Hold Time
tDH
15
ns
CLK to SDO Propagation Delay
tPD
40
ns
DAC Register Load Pulse Width
tLD
35
ns
Preset Pulse Width
tPR
50
ns
Clock Edge to Load Time
tCKLD1
140
ns
Note: tLD and tCKLD2 cannot both
tCKLD2
0
be min. since tCKLD1=tCKLD2+tLD
LD Falling Edge to SDO
tHZ1
50
ns
Tri-state Enable
LD Rising Edge to SDO
tHZ2
50
ns
Tri-state Disable
LD Rising Edge to CLK Enable
tLDCK
50
ns
LD Set-up Time with Respect
tLDSU
30
ns
to CLK




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