參數(shù)資料
型號(hào)： DAC8544I
廠商： Texas Instruments, Inc.
英文描述： QUAD, 16-BIT, RAIL-TO-RAIL VOLTAGE OUTPUT, PARALLEL INTERFACE, DIGITAL-TO-ANALOG CONVERTER
中文描述： 四，16位，軌到軌電壓輸出，并行接口，數(shù)字模擬轉(zhuǎn)換器
文件頁(yè)數(shù)： 3/20頁(yè)
文件大?。?/td> 476K
代理商： DAC8544I
www.ti.com
DAC8544
SLAS420–MAY 2004
ELECTRICAL CHARACTERISTICS (continued)
V
DD
= + 2.7 V to + 5.5 V; R
L
= 2 k
to GND; C
L
= 200 pF to GND; all specifications –40
°
C to +105
°
C unless otherwise noted
DAC8544
PARAMETER
CONDITIONS
MIN
TYP
470
1000
MAX
UNITS
pF
pF
nV-s
nV-s
R
L
=
∞
R
L
= 2 k
Capacitive Load Stability
Digital-to-Analog Glitch Impulse
Digital Feedthrough
DC Output Impedance
20
0.5
1
V
DD
= +5 V
V
DD
= +3 V
Coming out of power-down mode,
V
DD
= +5 V
Coming out of power-down mode,
V
DD
= +3 V
50
20
2.5
Short-Circuit Current
mA
Power-Up Time
μ
s
5
REFERENCE INPUT
V
REF+
Input Range
V
REF–
Input Range
Reference Input Impedance
LOGIC INPUTS
Input Current
V
IN
L, Input Low Voltage
V
IN
H, Input High Voltage
Pin Capacitance
POWER REQUIREMENTS
V
DD
IOV
DD
I
DD
(Normal Mode)
V
DD
= +3.6 V to +5.5 V
V
DD
= +2.7 V to +3.6 V
I
DD
(All Power-Down Modes)
V
DD
= +3.6 V to +5.5 V
V
DD
= +2.7 V to +3.6 V
POWER EFFICIENCY
I
OUT
/I
DD
0
V
DD
V
DD
/2
V
V
k
–0.1
0.0
140
±
1
μ
A
V
V
pF
IOV
DD
= +1.8 V – +5.5 V
IOV
DD
= +1.8 V – +5.5 V
0.3 x IOV
DD
0.7 x IOV
DD
3
2.7
1.8
5.5
5.5
V
V
DAC active and excluding load current
VI
H
= IOV
DD
and VI
L
= IOGND
VI
H
= IOV
DD
and VI
L
= IOGND
1.0
0.96
1.6
1.52
mA
VI
H
= IOV
DD
and VI
L
= IOGND
VI
H
= IOV
DD
and VI
L
= IOGND
0.2
0.05
1
1
μ
A
I
LOAD
= 2 mA, V
DD
= +5 V
93
%
3
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