參數(shù)資料
型號(hào)： X79000V20I
廠商： INTERSIL CORP
元件分類： DAC
英文描述： NV DAC with Selectable Output Range and Memory
中文描述： SERIAL INPUT LOADING, 6 us SETTLING TIME, 12-BIT DAC, PDSO20
封裝： PLASTIC, TSSOP-20
文件頁數(shù)： 5/18頁
文件大?。?/td> 270K
代理商： X79000V20I
5
FN8147.0
March 17, 2005
ELECTRICAL CHARACTERISTICS (continued)
Symbol
Reference
Vrefout
Parameter
Min
Typ
Max
Unit
Test Conditions / Notes
Output Voltage at VRef at 25°C
1.20
1.21
1.22
V
-20μA < I(VRef) < 0,
Vref as an output
(5)
TCOref
Temperature coefficient of VRef
output voltage
Resistance between VL and VH
Digital Interface
t
OEVALID
OE rising edge to output valid
delay
t
OEDIS
OE falling edge to high impedance
output delay
C
out
SO and RDY pin capacitance
C
in
CLR, CS, SCK, A0, A1, A2, A3, A4,
A5, SI, UP, DOWN, OE
pin capacitance
I
PLDN
On-chip pull down current at A0,
A1, A2, A3, A4, A5, UP, DOWN,
and CLR
V
ILSPI
CS, SCK and SI input Low voltage
50
ppm/
°C
k
R
VHVL
9
11.4
14
VH & VL external
100
μs
100
μs
10
8
pF
pF
Voltage at pin of 0V or Vcc. 1 MHz
signal.
(4)
0
1
20
μA
Voltage at the pin between 0V and
Vcc
-0.8
0.2 x
Vcc
Vcc +
0.3
10
V
V
IHSPI
CS, SCK and SI input High voltage
0.8 x
Vcc
-1
V
I
INSPI
CS, CLK and SI input current
μA
Voltage at the pin between 0V and
Vcc
I(SO) = -2mA
V
OHSO
SO output High voltage
Vcc-
0.4
0
-20
0
0
-0.3
Vcc
V
V
OLSO
I
OZSO
V
OLSO
I
OHRDY
V
ILCMOS
SO Output Low Voltage
SO output High impedance current
RDY and SO output Low voltage
RDY output High current
CLR, OE, UP, DOWN, A0, A1, A2,
A3, A4, and A5 input Low voltage
CLR, OE, UP, DOWN, A0, A1, and
A2 input High voltage
CS, SI, SCK, CLR, OE, UP and
DOWN input hysteresis
Power Requirements
Iccstby
Standby current into Vcc pin
Iccfull
Full operation current into Vcc pin
0.4
+20
0.4
100
0.2 x
Vcc
Vcc +
0.3
V
μA
V
μA
V
I(SO) = 2mA
V(SO) between 0 and Vcc
I(SO) or I(RDY) = 2 mA
V(RDY) = Vcc
V
IHCMOS
0.8 x
Vcc
0.5
V
V
HYST
V
(5)
2.5
3
mA
mA
V(SCK) = V(SI) = 0 V, V(CS) = Vcc
2-wire interface reading from
memory, 2.5 MHz clock at SCK,
V(OE) = V
CC
, VFB = VBUF
(2)
Average during internal
non-volatile write cycle
Iccwrite
Nonvolatile Write current into Vcc
pin
3
mA
X79000, X79001, X79002
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