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參數(shù)資料
| 型號(hào)： | AD5542 |
| 廠商： | Analog Devices, Inc. |
| 英文描述： | 5 V, Serial-Input Voltage-Output, 16-Bit DACs |
| 中文描述： | 5伏，串行輸入電壓輸出，16位DAC |
| 文件頁(yè)數(shù)： | 5/12頁(yè) |
| 文件大?。?/td> | 186K |
| 代理商： | AD5542 |
AD5541/AD5542
–5–
REV. A
AD5541 PIN FUNCTION DESCRIPTIONS
Mnemonic
Pin No.
Description
V
OUT
AGND
REF
1
2
3
Analog Output Voltage from the DAC.
Ground Reference Point for Analog Circuitry.
This is the voltage reference input for the DAC. Connect to external 2.5 V reference.
Reference can range from 2 V to V
DD
.
This is a logic input signal. The chip select signal is used to frame the serial data input.
Clock Input. Data is clocked into the input register on the rising edge of SCLK. Duty cycle
must be between 40% and 60%.
Serial Data Input. This device accepts 16-bit words. Data is clocked into the input register on
the rising edge of SCLK.
Digital Ground. Ground reference for digital circuitry.
Analog Supply Voltage, 5 V
±
10%.
CS
SCLK
4
5
DIN
6
DGND
V
DD
7
8
Mnemonic
Pin No.
Description
RFB
V
OUT
AGNDF
AGNDS
REFS
1
2
3
4
5
Feedback Resistor. In bipolar mode connect this pin to external op amp output.
Analog Output Voltage from the DAC.
Ground Reference Point for Analog Circuitry (Force).
Ground Reference Point for Analog Circuitry (Sense).
This is the voltage reference input (sense) for the DAC. Connect to external 2.5 V reference.
Reference can range from 2 V to V
DD
.
This is the voltage reference input (force) for the DAC. Connect to external 2.5 V reference.
Reference can range from 2 V to V
DD
.
This is a logic input signal. The chip select signal is used to frame the serial data input.
Clock input. Data is clocked into the input register on the rising edge of SCLK. Duty cycle
must be between 40% and 60%.
No Connect.
Serial Data Input. This device accepts 16-bit words. Data is clocked into the input register on
the rising edge of SCLK.
LDAC
Input. When this input is taken low, the DAC register is simultaneously updated with
the contents of the input register.
Digital Ground. Ground reference for digital circuitry.
Connected to the Internal Scaling Resistors of the DAC. Connect INV pin to external op amps
inverting input in bipolar mode.
Analog Supply Voltage, 5 V
±
10%.
REFF
6
CS
SCLK
7
8
NC
DIN
9
10
LDAC
11
DGND
INV
12
13
V
DD
14
AD5542 PIN FUNCTION DESCRIPTIONS
AD5541 PIN CONFIGURATION
SOIC
TOP VIEW
(Not to Scale)
8
7
6
5
1
2
3
4
V
OUT
AGND
REF
V
DD
DGND
DIN
SCLK
CS
AD5541
AD5542 PIN CONFIGURATION
SOIC
TOP VIEW
(Not to Scale)
14
13
12
11
10
9
8
1
2
3
4
5
6
7
NC = NO CONNECT
RFB
V
OUT
AGNDF
AGNDS
REFS
REFF
CS
V
DD
INV
DGND
LDAC
DIN
NC
SCLK
AD5542
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
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