参数资料
型号: DAC8420FSZ-REEL
厂商: Analog Devices Inc
文件页数: 5/24页
文件大小: 0K
描述: IC DAC 12BIT QUAD SRL LP 16SOIC
产品培训模块: Data Converter Fundamentals
DAC Architectures
标准包装: 1,000
设置时间: 8µs
位数: 12
数据接口: 串行
转换器数目: 4
电压电源: 双 ±
功率耗散(最大): 255mW
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 16-SOIC(0.295",7.50mm 宽)
供应商设备封装: 16-SOIC W
包装: 带卷 (TR)
输出数目和类型: 4 电压,单极;4 电压,双极
采样率(每秒): 125k
DAC8420
Rev. B | Page 13 of 24
002
75
-0
25
+5V/DIV
–25V
25V
LD
–33.6s
20s/DIV
166.4s
TA = +25°C
VDD = +15V
VSS = –15V
VVREFHI = +10V
VVREFLO = –10V
0
SRRISE = 1.9
V
s
SRFALL = 2.02
V
s
CLR
Figure 24. Slew Rate (±15 V)
10
0
–10
–20
–30
G
A
IN
(
d
B
)
10
100
1k
10k
100k
1M
10M
FREQUENCY (Hz)
TA = +25°C
VDD = +15V
VSS = –15V
VVREFHI = 0 ±100mV
VVREFLO = –10V
ALL BITS HIGH 200mV p-p
002
75
-02
6
Figure 25. Small-Signal Response
100
90
80
70
60
50
40
30
20
10
0
P
S
RR
(
d
B
)
10
100
1k
10k
100k
1M
FREQUENCY (Hz)
TA = +25°C
DATA = 0x000
VDD = +15V ±1V
VSS = –15V
VVREFHI = +10V
VVREFLO = –10V
00
27
5
-02
7
Figure 26. PSRR vs. Frequency
6
4
2
0
–2
–4
–6
P
O
W
E
R
S
UP
P
LY
CU
RRE
NT
(
m
A)
–75
0
75
150
TEMPERATURE (°C)
IDD
ISS
VDD = +15V
VSS = –15V
VVREFHI = +10V
VVREFLO = –10V
ALL DACS HIGH (FULL SCALE)
0
027
5-
02
8
Figure 27. Power Supply Current vs. Temperature
5V/DIV
10mA/
DI
V
00
27
5-
0
29
VOUTA THROUGH VOUTD
TA = +25°C
VDD = +15V
VSS = –15V
VVREFHI = +10V
VVREFLO = –10V
DATA = 0x800
Figure 28. DAC Output Current vs. VOUTx
10
8
6
4
2
0
|V
OU
T
P
E
AK|
(
V
)
10
100
1k
10k
LOAD RESISTANCE ()
TA = +25°C
VDD = +15V
VSS = –15V
VVREFHI = +10V
VVREFLO = –10V
DATA = 0xFFF OR 0x000
00
275
-03
0
Figure 29. Output Swing vs. Load Resistance
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