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參數(shù)資料
| 型號： | ML2330 |
| 廠商： | Fairchild Semiconductor Corporation |
| 英文描述： | Selectable Dual 3V/3.3V/5V 8-Bit DAC( 輸出可選3V/3.3V/5V的8位雙通道D/A轉(zhuǎn)換器) |
| 中文描述： | 可選雙3V/3.3V/5V 8位DAC（輸出可選3V/3.3V/5V的8位雙通道的D / A轉(zhuǎn)換器） |
| 文件頁數(shù)： | 6/7頁 |
| 文件大?。?/td> | 191K |
| 代理商： | ML2330 |
ML2330
6
REV. 1.0 10/10/2000
VOLTAGE REFERENCE
A bandgap voltage reference is incorporated on the
ML2330. It is trimmed for zero temperature coefficient at
25
°
C to minimize output voltage drift over the specified
operating temperature range.
OUTPUT BUFFER AND GAIN SETTING
The output buffer converts the DAC output current to a
voltage output using a resistive network. The outputs can
swing from GND +0.02V to either 2.02V (3V) or 4.02V
(5V). The DAC transfer function is:
V
K
DATA
256
OUT
=
×
+
0 02
.
where K = 2 if V
CC
= 3V and K = 4 if V
CC
= 5V
In the 3V operation, the amplifier outputs will settle to
1/2LSB in 10
μ
s when loads are greater than 1k
(2k
for
5V operation) and capacitive loads smaller than 100pF.
GAIN ERROR
The graph below shows how gain error varies with
temperature when V
CC
= 3.3V.
POWER DOWN MODE
There are three power-down modes in the ML2330. By
clearing the control bits P1-P0 (Table 3.2), the entire chip
will be powered down with a supply current less than
5
μ
A. Individual DACs can also be powered down to save
power (1.75mA per DAC).
–40
–20
0
20
40
60
80
100
TEMPERATURE ( C)
0.4
0.3
0.2
0.1
–0.0
–0.1
–0.2
–0.3
–0.4
–0.5
–0.6
–0.7
–0.8
–0.9
–1.0
G
Gain Error vs Temperature
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| ML2330ES-2 | 制造商:MICRO-LINEAR 制造商全稱:MICRO-LINEAR 功能描述:Selectable Dual 3V/3.3V/5V 8-Bit DACs |
| ML2330ES2 IS2 WAF | 制造商:Fairchild Semiconductor Corporation 功能描述: |
| ML2330ES-3 | 制造商:MICRO-LINEAR 制造商全稱:MICRO-LINEAR 功能描述:Selectable Dual 3V/3.3V/5V 8-Bit DACs |
| ML2330ES3 WAF | 制造商:Fairchild Semiconductor Corporation 功能描述: |
| ML2330ES-5 | 制造商:MICRO-LINEAR 制造商全稱:MICRO-LINEAR 功能描述:Selectable Dual 3V/3.3V/5V 8-Bit DACs |
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