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參數(shù)資料
| 型號： | DAC8426AR |
| 廠商： | ANALOG DEVICES INC |
| 元件分類： | DAC |
| 英文描述： | Quad 8-Bit Voltage Out CMOS DAC Complete with Internal 10 V Reference |
| 中文描述： | QUAD, PARALLEL, 8 BITS INPUT LOADING, 3 us SETTLING TIME, 8-BIT DAC, CDIP20 |
| 封裝： | CERDIP-20 |
| 文件頁數(shù)： | 8/12頁 |
| 文件大?。?/td> | 289K |
| 代理商： | DAC8426AR |
DAC8426
–8–
REV. C
a) Large Signal
b) Settling Time Response (Negative Transition)
c) Settling Time Response (Positive Transition)
Figure 3. Dynamic Response
T he outputs can withstand an indefinite short-circuit to AGND
to typically 50 mA. T he output may also be shorted to any volt-
age between V
DD
and V
SS
; however, care must be taken to not
exceed the device maximum power dissipation.
T he amplifier’s emitter follower output stage consists of an in-
trinsic NPN bipolar transistor with a 400
μ
A NMOS pull-down
current-source load connected to V
SS
. T his circuit configuration
shown in Figure 4 enables the output amplifier to develop out-
put voltages very close to AGND. Only the negative supply of the
four output buffer amplifiers are connected to V
SS
. Operating
the DAC8426 from dual supplies (V
DD
= +15 V and V
SS
= –5 V)
improves negative going output settling time near zero volts.
When operating single supply (V
DD
= +15 V and V
SS
= 0 V) the
output sink current decreases as the output approaches zero
voltage. Within 200 mV of AGND (single-supply operation) the
internal sinking capability appears resistive at a value of approxi-
mately 1200
. T he buffer amplifier output current and voltage
characteristics are plotted in Figure 5.
Test Conditions, All Photos:
V
DD
= +15 V
C
REF
OUT = 10
m
F
R
L
= 2 k
V
Digital Input Sequence 0, 255, 0
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| DAC8426BR | Quad 8-Bit Voltage Out CMOS DAC Complete with Internal 10 V Reference |
| DAC8426EP | Quad 8-Bit Voltage Out CMOS DAC Complete with Internal 10 V Reference |
| DAC8426ER | Quad 8-Bit Voltage Out CMOS DAC Complete with Internal 10 V Reference |
| DAC8426FP | Quad 8-Bit Voltage Out CMOS DAC Complete with Internal 10 V Reference |
| DAC8426FR | Quad 8-Bit Voltage Out CMOS DAC Complete with Internal 10 V Reference |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| DAC8426AR/883 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:8-Bit Digital-to-Analog Converter |
| DAC8426AR/883C | 功能描述:數(shù)模轉(zhuǎn)換器- DAC COMPLETE QUAD 8-BIT DAC-LEV.B RoHS:否 制造商:Texas Instruments 轉(zhuǎn)換器數(shù)量:1 DAC 輸出端數(shù)量:1 轉(zhuǎn)換速率:2 MSPs 分辨率:16 bit 接口類型:QSPI, SPI, Serial (3-Wire, Microwire) 穩(wěn)定時(shí)間:1 us 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-14 封裝:Tube |
| DAC8426BR | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| DAC8426BR/883 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:8-Bit Digital-to-Analog Converter |
| DAC8426BR/883C | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
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