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参数资料
| 型号： | SPT5320SIS |
| 厂商： | FAIRCHILD SEMICONDUCTOR CORP |
| 元件分类： | DAC |
| 英文描述： | PARALLEL, WORD INPUT LOADING, 0.025 us SETTLING TIME, 12-BIT DAC, PDSO28 |
| 封装： | SOIC-28 |
| 文件页数： | 4/4页 |
| 文件大小： | 36K |
| 代理商： | SPT5320SIS |
SPT
4
8/24/00
SPT5320
PIN FUNCTIONS
Name
Function
ANALOG OUTPUTS
IOUTA
DAC current output.
IOUTB
Complementary current output.
DIGITAL INPUTS
D0–D11
Digital Inputs (D0 is the LSB)
Sleep
Sleep mode pin. Active high. Contains active pull-
down resistor.
CLK
Clock input pin. Data is latched on the rising edge.
REFERENCE & COMPENSATION
RGND
Reference ground when using internal 1.2 V
reference. Connect to AVDD to disable internal
reference.
VREF
Reference input/output. Serves as an input when
internal reference is disabled. Serves as a 1.2 V
reference output when internal reference is
enabled. Requires a 0.1 F capacitor tied to AGND
when internal reference is enabled.
RSET
Full-scale current output adjustment.
COMP
Internal bias node for switch driver circuitry. Use
0.1 F capacitor tied to AGND.
POWER
AGND
Analog Supply Return.
DGND
Digital Supply Return.
AVDD
Analog +4.5 to +5.5 V supply.
DVDD
Digital +2.7 to +5.5 V supply.
N/C
No connect.
Signal Processing Technologies, Inc. reserves the right to change products and specifications without notice. Permission is hereby
expressly granted to copy this literature for informational purposes only. Copying this material for any other use is strictly prohibited.
WARNING – LIFE SUPPORT APPLICATIONS POLICY – SPT products should not be used within Life Support Systems without the
specific written consent of SPT. A Life Support System is a product or system intended to support or sustain life which, if it fails, can
be reasonably expected to result in significant personal injury or death.
Signal Processing Technologies believes that ultrasonic cleaning of its products may damage the wire bonding, leading to
device failure. It is therefore not recommended, and exposure of a device to such a process will void the product warranty.
ORDERING INFORMATION
PART NUMBER
TEMPERATURE RANGE
PACKAGE
SPT5320SIS
–40 °C to +85 °C
28L SOIC
SPT5320SIR
–40 °C to +85 °C
28L SSOP Equivalent
PIN ASSIGNMENTS
1
2
3
4
5
6
7
8
9
10
11
12
13
14
28
27
26
25
24
23
22
21
20
19
18
17
16
15
D11 (MSB)
D10
D9
D8
D7
D6
D5
D4
D3
D2
D1
D0 (LSB)
N/C
CLK
DVDD
DGND
N/C
AVDD
COMP
IOUTA
IOUTB
AGND
N/C
VREF
RSET
RGND
Sleep
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