參數(shù)資料
型號(hào): AD5781BRUZ
廠商: Analog Devices Inc
文件頁(yè)數(shù): 6/28頁(yè)
文件大?。?/td> 0K
描述: IC DAC 18BIT SRL 20TSSOP
產(chǎn)品變化通告: AD57x1 Feature Change 27/Jul/2011
設(shè)計(jì)資源: 18-Bit Accurate, low noise, precision bipolar DC voltage source (CN0177)
標(biāo)準(zhǔn)包裝: 1
設(shè)置時(shí)間: 1µs
位數(shù): 18
數(shù)據(jù)接口: DSP,MICROWIRE?,QSPI?,串行,SPI?
轉(zhuǎn)換器數(shù)目: 1
電壓電源: 模擬和數(shù)字,雙 ±
工作溫度: -40°C ~ 125°C
安裝類型: 表面貼裝
封裝/外殼: 20-TSSOP(0.173",4.40mm 寬)
供應(yīng)商設(shè)備封裝: 20-TSSOP
包裝: 管件
輸出數(shù)目和類型: *
采樣率(每秒): 1M
AD5781
Data Sheet
Rev. D | Page 14 of 28
1.2
1.0
0.8
0.6
0.4
0
0.2
–0.2
–0.4
–0.6
–0.8
–1.0
–55
–35
–15
5
25
45
65
85
105
125
TEMPERATURE (°C)
Z
E
RO
-S
CAL
E
RRO
R
(
L
S
Bs)
09092-
036
AD8676 REFERENCE BUFFERS
AD8675 OUTPUT BUFFER
VDD = +15V
VSS = –15V
VREFP = +10V
VREFN = –15V
±10V SPAN
+10V SPAN
±5V SPAN
Figure 35. Zero-Scale Error vs. Temperature
4
3
2
1
0
–1
–2
–3
–4
–5
–55
–35
–15
5
25
45
65
85
105
125
TEMPERATURE (°C)
G
AI
N
E
RRO
R
(
p
m
F
S
R)
09092-
037
±10V SPAN
+10V SPAN
+5V SPAN
AD8676 REFERENCE BUFFERS
AD8675 OUTPUT BUFFER
VDD = +15V
VSS = –15V
VREFP = +10V
VREFN = –15V
Figure 36. Gain Error vs. Temperature
900
800
700
600
500
400
300
200
100
0
1
TA = 25°C
2
3
4
5
6
LOGIC INPUT VOLTAGE (V)
IOI
CC
(
A)
09092-
038
IOVCC = 5V, LOGIC VOLTAGE
INCREASING
IOVCC = 5V, LOGIC VOLTAGE
DECREASING
IOVCC = 3V, LOGIC VOLTAGE
INCREASING
IOVCC = 3V, LOGIC VOLTAGE
DECREASING
Figure 37. IOICC vs. Logic Input Voltage
5
4
3
2
1
0
–1
–2
–3
–4
–5
–20
–15
–10
–5
0
5
10
15
20
VDD, VSS (V)
I DD
,I
SS
(
mA)
09092-
039
TA = 25°C
IDD
ISS
Figure 38. Power Supply Currents vs. Power Supply Voltages
09092-
040
CH3 5V
CH4 5V
200ns
3
4
VDD = +15V
VSS = –15V
VREFP = +10V
VREFN = –10V
AD8676 REFERENCE BUFFERS
OUTPUT UNBUFFERED
LOAD = 10M||20pF
Figure 39. Rising Full-Scale Voltage Step
09092-
041
CH3 5V
CH4 5V
200ns
3
4
VDD = +15V
VSS = –15V
VREFP = +10V
VREFN = –10V
AD8676 REFERENCE BUFFERS
OUTPUT UNBUFFERED
LOAD = 10M||20pF
Figure 40. Falling Full-Scale Voltage Step
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