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參數(shù)資料
| 型號(hào)： | TLV5639QDWR |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | DAC |
| 英文描述： | PARALLEL, WORD INPUT LOADING, 3.5 us SETTLING TIME, 12-BIT DAC, PDSO20 |
| 封裝： | PLASTIC, SOIC-20 |
| 文件頁(yè)數(shù)： | 12/22頁(yè) |
| 文件大?。?/td> | 445K |
| 代理商： | TLV5639QDWR |
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Interface
Control
12-Bit
DAC
Holding
Latch
D(0–11)
CS
REG
WE
OUT
Power-On
Reset
x2
12
4-Bit
Control
Latch
4
Powerdown
and Speed
Control
2
Voltage
Bandgap
PGA With
Output Enable
12-Bit
DAC
Register
12
REF
AGND
VDD
LDAC
TLV5639C
TLV5639I
SLAS189C – MARCH 1999 – REVISED JANUARY 2004
These devices have limited built-in ESD protection. The leads should be shorted together or the device placed in conductive foam
during storage or handling to prevent electrostatic damage to the MOS gates.
FUNCTIONAL BLOCK DIAGRAM
Terminal Functions
TERMINAL
I/O/P
DESCRIPTION
NAME
NO.
AGND
14
P
Ground
CS
18
I
Chip select. Digital input active low, used to enable/disable inputs
1-10, 19,
D0-D11
I
Data input
20
LDAC
16
I
Load DAC. Digital input active low, used to load DAC output
OUT
13
O
DAC analog voltage output
REG
15
I
Register select. Digital input, used to access control register
REF
12
I/O
Analog reference voltage input/output
VDD
11
P
Positive power supply
WE
17
I
Write enable. Digital input active low, used to latch data
2
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