7545ARPFX 查看數據表（PDF） - MAXWELL TECHNOLOGIES
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7545ARPFX Datasheet PDF : 9 Pages
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12-Bit Buffered Multiplying
Digital to Analog Converter
7545A
TABLE 1. 7545A PINOUT DESCRIPTION
PIN
SYMBOL
DESCRIPTION
1
OUT 1
Output Current
2
AGND
Analog Ground
3
DGND
Digital Ground
4
DB 11
Data Bit 11 (MSB)
5
DB 10
Data Bit 10
6
DB 9
Data Bit 9
7
DB 8
Data Bit 8
8
DB 7
Data Bit 7
9
DB 6
Data Bit 6
10
DB 5
Data Bit 5
11
DB 4
Data Bit 4
12
DB 3
Data Bit 3
13
DB 2
Data Bit 2
14
DB 1
Data Bit 1
15
DB 0
Data Bit 0 (LSB)
16
CS
Chip Select (Active Low)
17
WR
Write (Active Low)
18
VDD
Digital Supply Voltage
19
VREF
Reference Input
20
RFB
Feedback Resistance
TABLE 2. 7545A ABSOLUTE MAXIMUM RATINGS
PARAMETER
SYMBOL
MIN
VDD to DGND
Digital Input Voltage to DGND
VRFB, VREF to DGND
VPIN1 to DGND
AGND to DGND
Power Dissipation to 75 °C
Thermal Impedance — Flat Package
Thermal Impedance — DIP Package
Operating Temperature
Storage Temperature Range
--
-0.3
--
-0.3
--
--
--
-0.3
--
-0.3
PD
--
ΘJC
--
ΘJC
--
--
-55
TS
-65
MAX
17
VDD + 0.3
25
VDD + 0.3
VDD + 0.3
450
6.08
6.04
125
150
UNIT
V
V
V
V
V
mW
°C/W
°C/W
°C
°C
02.05.02 Rev 4
All data sheets are subject to change without notice 2
©2001 Maxwell Technologies
All rights reserved.
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