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參數(shù)資料
| 型號： | MAX5584 |
| 廠商： | Maxim Integrated Products, Inc. |
| 元件分類： | DAC |
| 英文描述： | Buffered. Fast-Settling. Quad. 12-/10-/8-Bit. Voltage-Output DACs |
| 中文描述： | 帶緩沖、快速建立、四通道、12/10/8位、電壓輸出DAC |
| 文件頁數(shù)： | 7/16頁 |
| 文件大?。?/td> | 172K |
| 代理商： | MAX5584 |
edge on
CS
programs the DAC. The input registers can
be loaded independently or simultaneously without
updating the DAC registers. This allows both DAC reg-
isters to be updated simultaneously with different digital
values. The DAC outputs reflect the data stored in the
DAC registers.
LDAC
can be used to asynchronously
update the DAC registers independently of
CS
(MAX548A/MAX550A). With C1 set high, setting C0 in
the control word forces the DAC register(s) to be
updated on
LDAC
’s falling edge, rather than
CS
’s rising
edge (Table 1).
Initialization
The MAX548A/MAX549A/MAX550A have an internal
power-on reset. At power-up, all internal registers are
reset to zero; therefore, an initialization write sequence
is not necessary.
Serial-Input Data Format and Control Codes
The control byte determines which input registers/DAC
registers are updated (Table 1). The DAC input regis-
ters are updated on the rising edge of
CS
. The DAC
registers can be updated on
CS
’s rising edge or on
LDAC
’s falling edge after
CS
goes high. Bit C0 of the
control byte determines how the DAC registers are
updated for the MAX548A/MAX550A. The MAX549A
has no
LDAC
pin; the DAC registers are always up-
dated on
CS
’s rising edge (C0 in the control byte has
no effect).
Tables 2, 3, and 4 list the serial-input command format
for the MAX548A, MAX549A, and MAX550A, respec-
tively. The 16-bit input word consists of an 8-bit control
byte and an 8-bit data byte. The control byte is not
decoded internally. Every control bit performs one
M
+2.5V to +5.5V, Low-Power, S ingle/Dual,
8-Bit Voltage-Output DACs in μMAX Pac kage
_______________________________________________________________________________________
7
UB3
X
Unassigned Bit 3
C2
1
Power-Down Mode
C2
0
Power-Up Mode
C1
1
DAC Register Load Operation Enabled
C0
1
DAC Register Updated on
LDAC
’s Falling Edge (MAX549A = Don’t Care)
C0
0
DAC Register Updated on
CS
’s Rising Edge
C1
0
DAC Register Load Operation Disabled
A1
1
Address DAC B (MAX550A = Don’t Care)
A0
1
Address DAC A
A0
UB2
0
Do Not Address DAC A
D6
—
DAC Data Bit 6
D4
X
—
DAC Data Bit 4
D5
Unassigned Bit 2
STATE
—
DAC Data Bit 5
D7
—
DAC Data Bit 7 (MSB)
A1
0
Do Not Address DAC B (MAX550A = Don’t Care)
D2
OPERATION
—
DAC Data Bit 2
D0**
DATA
BYTE
—
DAC Data Bit 0 (LSB)
D1
—
DAC Data Bit 1
D3
—
DAC Data Bit 3
Table 1. Control-Byte/Input-Word Bit Definitions
X = Don’t care *Clocked in first
**Clocked in last
UB1*
X
Unassigned Bit 1
CONTROL BYTE
BIT NAME
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| MAX5585 | Buffered. Fast-Settling. Quad. 12-/10-/8-Bit. Voltage-Output DACs |
| MAX5520 | +1.8V to +5.5V. Ultra-Low-Power. 10-Bit. Voltage-Output DACs |
| MAX5521 | +1.8V to +5.5V. Ultra-Low-Power. 10-Bit. Voltage-Output DACs |
| MAX5522 | Dual. Ultra-Low-Power. 10-Bit. Voltage-Output DACs |
| MAX5523 | Dual. Ultra-Low-Power. 10-Bit. Voltage-Output DACs |
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參數(shù)描述 |
|---|---|
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| MAX5584ETP+T | 制造商:Maxim Integrated Products 功能描述:DAC 4-CH 8BIT 20TQFN EP - Tape and Reel |
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| MAX5584EUP+ | 功能描述:數(shù)模轉(zhuǎn)換器- DAC 10-Bit 4Ch Precision DAC 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 |
| MAX5584EUP+T | 功能描述:數(shù)模轉(zhuǎn)換器- DAC 10-Bit 4Ch Precision DAC 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 |
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