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参数资料
| 型号： | DAC8551IADGKR |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | DAC |
| 英文描述： | SERIAL INPUT LOADING, 12 us SETTLING TIME, 16-BIT DAC, PDSO8 |
| 封装： | GREEN, PLASTIC, MSOP-8 |
| 文件页数： | 18/24页 |
| 文件大小： | 456K |
| 代理商： | DAC8551IADGKR |
www.ti.com
SLAS429B – APRIL 2005 – REVISED OCTOBER 2006
ELECTRICAL CHARACTERISTICS (continued)
VDD = 2.7V to 5.5V,and –40°C to +105°C range, unless otherwise noted.
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
OUTPUT CHARACTERISTICS(2)
Output voltage range
0
VREF
V
To
±0.003% FSR, 0200h to FD00h, R
L = 2k,
8
10
s
0pF < CL < 200pF
Output voltage settling time
RL = 2k, CL = 50 pF
12
s
Slew rate
1.8
V/
s
RL = ∞
470
pF
Capacitive load stability
RL = 2k
1000
pF
Code change glitch impulse
1LSB change around major carry
0.1
nV-s
Digital feedthrough
50k
series resistance on digital lines
0.1
DC output impedance
At mid-code input
1
VDD = 5V
50
Short-circuit current
mA
VDD = 3V
20
Coming out of power-down mode, VDD = 5V
2.5
Power-up time
s
Coming out of power-down mode, VDD = 3V
5
AC PERFORMANCE
SNR
95
THD
–85
BW = 20kHz, VDD = 5V, fOUT = 1kHz, 1st 19 harmonics removed
dB
for SNR calculation
SFDR
87
SINAD
84
REFERENCE INPUT
VREF = VDD = 5V
40
75
A
Reference current
VREF = VDD = 3.6V
30
45
A
Reference input range
0
VDD
V
Reference input impedance
125
k
LOGIC INPUTS(2)
Input current
±1
A
VDD = 5V
0.8
VINL
Input LOW voltage
V
VDD = 3V
0.6
VDD = 5V
2.4
VINH
Input HIGH voltage
V
VDD = 3V
2.1
Pin capacitance
3
pF
POWER REQUIREMENTS
VDD
2.7
5.5
V
IDD
(normal mode)
Input code = 32768, no load, does not include reference current
VDD = 3.6V to 5.5V
160
250
VIH = VDD and VIL = GND
A
VDD = 2.7V to 3.6V
140
240
IDD
(all power-down modes)
VDD = 3.6V to 5.5V
VIH = VDD and VIL = GND
0.2
2
A
VDD = 2.7V to 3.6V
0.05
2
POWER EFFICIENCY
IOUT/IDD
ILOAD = 2mA, VDD = 5V
89
%
TEMPERATURE RANGE
Specified performance
–40
+105
°C
(2)
Specified by design and characterization; not production tested.
3
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