參數(shù)資料
型號： DAC8814ICDB
廠商： Texas Instruments, Inc.
英文描述： Quad, Serial Input 16-Bit Multiplying Digital-to-Analog Converter
中文描述： 四，串行輸入16位乘法數(shù)字到模擬轉換器
文件頁數(shù)： 3/31頁
文件大小： 264K
代理商： DAC8814ICDB
www.ti.com
P
ELECTRICAL CHARACTERISTICS
(1)
V
DD
= 2.7 V to 5.0 V
±
10%; V
SS
= 0 V, I
OUT
X = Virtual GND, A
GND
X = 0 V, V
REF
A, B, C, D = 10 V, T
A
= full operating
temperature range, unless otherwise noted.
DAC8814
SBAS338–JANUARY 2005
DAC8814
TYP
PARAMETER
SYMBOL
CONDITIONS
MIN
MAX
UNIT
STATIC PERFORMANCE
(2)
Resolution
Relative accuracy
16
±
4
±
1
Bits
LSB
LSB
LSB
LSB
nA
nA
mV
ppm/
°
C
k
INL
INL
DNL
DNL
I
OUT
X
I
OUT
X
G
FSE
TCV
FS
R
FB
X
DAC8814B
DAC8814C
DAC8814B
DAC8814C
Differential nonlinearity
±
1.5
±
1
10
20
±
3
Output leakage current
Data = 0000h, T
A
= 25
°
C
Data = 0000h, T
A
= T
A
max
Data = FFFFh
Full-scale gain error
Full-scale tempco
(3)
Feedback resistor
REFERENCE INPUT
V
REF
X Range
Input resistance
Input resistance match
Input capacitance
(3)
ANALOG OUTPUT
Output current
Output capacitance
(3)
LOGIC INPUTS AND OUTPUT
Input low voltage
±
0.75
1
5
V
DD
= 5 V
V
REF
X
R
REF
X
R
REF
X
C
REF
X
-15
15
8
V
k
%
pF
4
6
1
5
Channel-to-channel
I
OUT
X
C
OUT
X
Data = FFFFh
Code-dependent
1.25
2.5
mA
pF
80
V
IL
V
IL
V
IH
V
IH
I
IL
C
IL
V
OL
V
OH
V
DD
= +2.7 V
V
DD
= +5 V
V
DD
= +2.7 V
V
DD
= +5 V
0.6
0.8
V
V
V
V
μA
pF
V
V
Input high voltage
2.1
2.4
Input leakage current
Input capacitance
(3)
Logic output low voltage
Logic output high voltage
INTERFACE TIMING
(3)
,
(4)
Clock width high
Clock width low
CS to Clock setup
Clock to CS hold
Clock to SDO prop delay
Load DAC pulsewidth
Data setup
Data hold
Load setup
Load hold
1
10
0.4
I
OL
= 1.6 mA
I
OH
= 100 μA
4
t
CH
t
CL
t
CSS
t
CSH
t
PD
t
LDAC
t
DS
t
DH
t
LDS
t
LDH
25
25
0
25
2
25
20
20
5
25
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
20
(1)
(2)
Specifications subject to change without notice.
All static performance tests (except I
) are performed in a closed-loop system using an external precision OPA277 I-to-V converter
amplifier. The DAC8814 R
terminal is tied to the amplifier output. Typical values represent average readings measured at +25
°
C.
These parameters are specified by design and not subject to production testing.
All input control signals are specified with t
R
= t
F
= 2.5 ns (10% to 90% of 3 V) and timed from a voltage level of 1.5 V.
(3)
(4)
3
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