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參數(shù)資料
| 型號(hào)： | AD558* |
| 英文描述： | DACPORT Low Cost. Complete uP-Compatible 8-Bit DAC |
| 中文描述： | DACPORT低成本。完成多達(dá)兼容的8位DAC |
| 文件頁數(shù)： | 7/8頁 |
| 文件大小： | 334K |
AD558
REV. A
–7–
OUTPUT
AMP
16
15
14
13
AGND
V
OUT
SELECT
V
OUT
SENSE
V
OUT
–V
0.5mA
b. 0 V to 10 V Output Range
Figure 11. Offset Connection Diagrams
INTERFACING THE AD558 TO MICROPROCESSOR
DATA BUSES
The AD558 is configured to act like a “write only” location in
memory that may be made to coincide with a read only memory
location or with a RAM location. The latter case allows data
previously written into the DAC to be read back later via the
RAM. Address decoding is partially complete for either ROM
or RAM. Figure 12 shows interfaces for three popular micropro-
cessor systems.
ADDRESS BUS
DATA BUS
6800
VMA
φ
2
R/W
AD558
V
OUT
DB0–DB7
16
8
8
CE
CS
ADDRESS
DECODER
16
R/W
→
CE
GATED DECODED ADDRESS
→
CS
a. 6800/AD558 Interface
ADDRESS BUS
DATA BUS
8080A
AD558
V
OUT
DB0–DB7
16
8
8
CE
CS
ADDRESS SELECT
PULSE LOGIC
16
MEMW
MEMW
→
CE
DECODED ADDRESS SELECT PULSE
→
CS
b. 8080A/AD558 Interface
ADDRESS BUS
DATA BUS
1802
AD558
V
OUT
DB0–DB7
8
8
8
CE
CS
ADDRESS
LATCH
&
DECODE
8
MWR
CDP 1802: MWR
→
CE
DECODED ADDRESS SELECT PULSE
→
CS
TPA
MA 0 – 7
c. 1802/AD558 Interface
Figure 12. Interfacing the AD558 to Microprocessors
Performance
(typical @ +25
8
C, V
CC
6
+5 V to +15 V unless otherwise noted)
0
LSB
1.75
1.50
1.25
1.00
0.75
0.50
0.25
–0.25
–0.50
–0.75
–1.00
–55
–25
0
+25
+50
+75
+100
+125
oC
FULL
SCALE
ERROR
ALL AD558
AD558S, T
1LSB = 0.39% OF FULL SCALE
Figure 13. Full-Scale Accuracy vs. Temperature
Performance of AD558
0
LSB
1/2
1/4
–55
–25
0
+25
+50
+75
+100
+125
oC
ZERO
ERROR
ALL AD558
AD558S, T
1LSB = 0.39% OF FULL SCALE
–1/4
–1/2
Figure 14. Zero Drift vs. Temperature Performance
of AD558
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| AD5582YRVZ | 功能描述:IC DAC 12BIT QUAD VOUT 48-TSSOP RoHS:是 類別:集成電路 (IC) >> 數(shù)據(jù)采集 - 數(shù)模轉(zhuǎn)換器 系列:- 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:50 系列:- 設(shè)置時(shí)間:4µs 位數(shù):12 數(shù)據(jù)接口:串行 轉(zhuǎn)換器數(shù)目:2 電壓電源:單電源 功率耗散（最大）:- 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:8-TSSOP，8-MSOP（0.118"，3.00mm 寬） 供應(yīng)商設(shè)備封裝:8-uMAX 包裝:管件 輸出數(shù)目和類型:2 電壓，單極 采樣率（每秒）:* 產(chǎn)品目錄頁面:1398 (CN2011-ZH PDF) |
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