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參數(shù)資料
| 型號： | MAX5122BEEE |
| 廠商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分類： | DAC |
| 英文描述： | +5V/+3V, 12-Bit, Serial, Force/Sense DACs with 10ppm/∑C Internal Reference |
| 中文描述： | SERIAL INPUT LOADING, 20 us SETTLING TIME, 12-BIT DAC, PDSO16 |
| 封裝： | 0.150 INCH, 0.025 INCH PITCH, QSOP-16 |
| 文件頁數(shù)： | 12/20頁 |
| 文件大小： | 285K |
| 代理商： | MAX5122BEEE |
M
+5V /+3V, 12-Bit, S erial, Forc e/S ense DACs
with 10ppm/°C Internal Referenc e
12
______________________________________________________________________________________
Power-Down Lockout Input (
PDL
)
The power-down lockout pin (
PDL
) disables shutdown
when low. When in shutdown mode, a high-to-low tran-
sition on
PDL
will wake up the DAC with its output still
set to the state prior to power-down.
PDL
can also be
used to wake up the device asynchronously.
Power-Down Input (PD)
Pulling PD high places the MAX5122/MAX5123 in shut-
down. Pulling PD low will not return the MAX5122/
MAX5123 to normal operation. A high-to-low transition
on
PDL
or appropriate commands (Table 1) via the ser-
ial interface are required to exit power-down mode.
S erial-Interfac e Configuration
(S PI/QS PI/MICROWIRE/PIC16/PIC17)
The MAX5122/MAX5123 3-wire serial interface is com-
patible with SPI, QSPI, PIC16/PIC17 (Figure 4) and
MICROWIRE (Figure 5) interface standards. The 2-
byte-long serial input word contains three control bits,
12 data bits in MSB-first format, and one sub-bit, which
is always zero (Table 2).
The MAX5122/MAX5123’s digital inputs are double
buffered, which allows the user to:
Load the input register without updating the DAC
register,
Update the DAC register with data from the input
register,
Update the input and DAC registers concurrently.
Load input register; DAC register unchanged.
Simultaneously load input and DAC registers; exit shutdown.
12-Bit DAC Data
12-Bit DAC Data
0
0
0
1
0
1
0
0
Update DAC register from input register; exit shutdown.
Shutdown DAC (provided
PDL
= 1).
XXXXXXXXXXXX
XXXXXXXXXXXX
0
1
1
0
1
1
UPO goes low (default).
UPO goes high.
XXXXXXXXXXXX
XXXXXXXXXXXX
1
1
0
1
0
0
Mode 1; DOUT clocked out on SCLK’s rising edge.
Mode 0; DOUT clocked out on SCLK’s falling edge (default).
1XXXXXXXXXXX
00XXXXXXXXXX
1
1
1
1
1
1
No operation.
XXXXXXXXXXXX
0
C1
C0
C2
FUNCTION
D11 ............... D0
Table 1. Serial-Interface Programming Commands
X = Don’t care
* S0 is a sub-bit and always zero.
DIN
SCLK
CS
MOSI
SCK
I/O
SPI/QSPI
PORT
(PIC16/PIC17)
SS
V
DD
CPOL = 0,CPHA = 0
(CKE = 1, CKP = 0, SMP= 0
SSPM3 - SSPM0 = 0001)
( ) ARE FOR PIC16/PIC17 ONLY.
MAX5122
MAX5123
Figure 4. SPI/QSPI Interface Connections (PIC16/PIC17)
DIN
SCLK
CS
SK
SO
I/O
MICROWIRE
PORT
MAX5122
MAX5123
Figure 5. MICROWIRE Interface Connections
16-BIT SERIAL WORD
0
0
S0*
0
0
0
0
0
0
0
S0*
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相關代理商/技術參數(shù) |
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|---|---|
| MAX5122BEEE+ | 功能描述:數(shù)模轉換器- DAC 12-Bit Precision DAC RoHS:否 制造商:Texas Instruments 轉換器數(shù)量:1 DAC 輸出端數(shù)量:1 轉換速率: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 安裝風格:SMD/SMT 封裝 / 箱體:SOIC-14 封裝:Tube |
| MAX5122BEEE+T | 功能描述:數(shù)模轉換器- DAC 12-Bit Precision DAC RoHS:否 制造商:Texas Instruments 轉換器數(shù)量:1 DAC 輸出端數(shù)量:1 轉換速率: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 安裝風格:SMD/SMT 封裝 / 箱體:SOIC-14 封裝:Tube |
| MAX5122BEEE-T | 功能描述:數(shù)模轉換器- DAC RoHS:否 制造商:Texas Instruments 轉換器數(shù)量:1 DAC 輸出端數(shù)量:1 轉換速率: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 安裝風格:SMD/SMT 封裝 / 箱體:SOIC-14 封裝:Tube |
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| MAX51230201 | 制造商:LG Corporation 功能描述:Book,Cook |
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