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參數(shù)資料
| 型號： | DAC7811IDRCT |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | 12-Bit, Serial Input, Multiplying Digital-to-Analog Converter |
| 中文描述： | 12位，串行輸入，乘法數(shù)字到模擬轉(zhuǎn)換器 |
| 文件頁數(shù)： | 3/18頁 |
| 文件大小： | 698K |
| 代理商： | DAC7811IDRCT |
www.ti.com
P
DAC7811
SBAS337–APRIL 2005
ELECTRICAL CHARACTERISTICS (continued)
V
DD
= +2.7 V to +5.5 V; I
OUT1
= Virtual GND; I
OUT2
= 0V; V
REF
= 10 V; T
A
= full operating temperature. All specifications –40
°
C
to +125
°
C, unless otherwise noted.
DAC7811
TYP
PARAMETER
CONDITIONS
MIN
MAX
UNITS
REFERENCE INPUT
V
REF
range
Input resistance
R
FB
resistance
LOGIC INPUTS AND OUTPUT
(2)
Input low voltage
–15
8
8
15
12
12
V
k
k
10
10
V
IL
V
DD
= +2.7V
V
IL
V
DD
= +5V
V
IH
V
DD
= +2.7V
V
IH
V
DD
= +5V
I
IL
C
IL
0.6
0.8
V
V
V
V
μA
pF
Input high voltage
2.1
2.4
Input leakage current
Input capacitance
INTERFACE TIMING
Clock input frequency
Clock pulse width high
Clock pulse width low
SYNC falling edge to SCLK
active edge setup time
SCLK active edge to SYNC
rising edge hold time
Data setup time
Data hold time
SYNC high time
10
10
f
CLK
t
CH
t
CC
50
MHz
ns
ns
8
8
t
CSS
13
ns
t
CST
5
ns
t
DS
t
DH
t
SH
5
5
30
ns
ns
V
DD
= +2.7V
V
DD
= +5V
25
20
35
30
ns
ns
SYNC inactive edge to SDO
valid
t
DDS
POWER REQUIREMENTS
V
DD
I
DD
(normal operation)
V
DD
= +4.5 V to +5.5 V
V
DD
= +2.7 V to +3.6 V
AC CHARACTERISTICS
Output voltage settling time
Reference multiplying BW
2.7
5.5
5
5
2.5
V
μA
μA
μA
Logic inputs = 0 V
V
IH
= V
DD
and V
IL
= GND
V
IH
= V
DD
and V
IL
= GND
0.8
0.4
0.2
μs
MHz
V
REF
= 7 V
PP
, Data = FFFh
V
= 0 V to 10 V,
Data = 7FFh to 800h to 7FFh
Data = 000h, V
REF
= 100kHz
10
DAC glitch impulse
2
nV-s
Feedthrough error V
OUT
/V
REF
Digital feedthrough
Total harmonic distortion
Output spot noise voltage
–70
2
–105
25
dB
nV-s
dB
nV/
√
Hz
(2)
Specified by design and characterization; not production tested.
3
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