參數(shù)資料
型號: SMP04ESZ-REEL
廠商: Analog Devices Inc
文件頁數(shù): 2/15頁
文件大小: 0K
描述: IC AMP SAMPLE HOLD CMOS 16SOIC
標準包裝: 2,500
放大器類型: 采樣和保持
電路數(shù): 4
轉(zhuǎn)換速率: 4 V/µs
電流 - 輸入偏壓: 500nA
電壓 - 輸入偏移: 2500µV
電流 - 電源: 4mA
電流 - 輸出 / 通道: 1.2mA
電壓 - 電源,單路/雙路(±): 5 V ~ 12 V,±2.5 V ~ 6 V
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 16-SOIC(0.154",3.90mm 寬)
供應(yīng)商設(shè)備封裝: 16-SOIC
包裝: 帶卷 (TR)
–10–
SMP04
REV. D
APPLICATIONS
MULTIPLEXED QUAD DAC (Figure 20)
The SMP04 can be used to demultiplex a single DAC converter’s
output into four separate analog outputs. The circuit is greatly
simplified by using a voltage output DAC such as the DAC8228.
To minimize output voltage perturbation, 5
s should be allowed
to settle to its final voltage before a sample signal is asserted.
Each sample-and-hold amplifier must be refreshed every second
or less in order to assure the droop does not exceed 10 mV or
1/2 LSB.
CHANNEL
DECODE
VSS
VOUT1
VOUT2
VOUT3
VOUT4
DGND
VSS
SMP04
1 F
+12V
REF02
+12V
0.1 F
1/2 DAC8228
VZ
+5V
GND
VDD
VREF
VO
DIGITAL
INPUTS
ADDRESS
INPUTS
S/H1
S/H2
S/H3
S/H4
+12V
5V TO 10V
WR
CS
+
Figure 20. Multiplexed Quad DAC
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