參數(shù)資料
型號(hào)： AD5201BRM50-REEL7
廠商： ANALOG DEVICES INC
元件分類： 數(shù)字電位計(jì)
英文描述： Audio digital potentiometers
中文描述： 50K DIGITAL POTENTIOMETER, 2-WIRE SERIAL CONTROL INTERFACE, 33 POSITIONS, PDSO10
封裝： MICRO, SOIC-10
文件頁(yè)數(shù)： 4/16頁(yè)
文件大?。?/td> 664K
代理商： AD5201BRM50-REEL7
REV. 0
AD5207
–4–
CAUTION
ESD (electrostatic discharge) sensitive device. Electrostatic charges as high as 4000 V readily
accumulate on the human body and test equipment and can discharge without detection. Although
the AD5207 features proprietary ESD protection circuitry, permanent damage may occur on
devices subjected to high-energy electrostatic discharges. Therefore, proper ESD precautions are
recommended to avoid performance degradation or loss of functionality.
WARNING!
ESD SENSITIVE DEVICE
ABSOLUTE MAXIMUM RATINGS
1
(T
A
= 25
°
C, unless otherwise noted)
V
DD
to GND . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –0.3, +7 V
V
SS
to GND . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0, –3 V
V
DD
to V
SS
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 V
V
, V
B
, V
W
to GND . . . . . . . . . . . . . . . . . . . . . . . . . . V
SS
, V
DD
I
A
(A, B, W) . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
±
20 mA
Digital Inputs and Output Voltage to GND . . 0 V, V
DD
+ 0.3 V
Operating Temperature Range . . . . . . . . . . –40
°
C to +125
°
C
Maximum Junction Temperature (T
J
Max) . . . . . . . . . . 150
°
C
Storage Temperature . . . . . . . . . . . . . . . . . . –65
°
C to +150
°
C
Lead Temperature (Soldering, 10 sec) . . . . . . . . . . . . . 300
°
C
Thermal Resistance
3
θ
JA,
TSSOP-14 . . . . . . . . . . . . . 206
°
C/W
NOTES
1
Stresses above those listed under Absolute Maximum Ratings may cause perma-
nent damage to the device. This is a stress rating only; functional operation of the
device at these or any other conditions above those indicated in the operational
section of this specification is not implied. Exposure to absolute maximum rating
conditions for extended periods may affect device reliability.
2
Max current is bounded by the maximum current handling of the switches,
maximum power dissipation of the package, and maximum applied voltage
across any two of the A, B, and W Terminals at a given resistance. Please refer to
TPC 22 for detail.
3
Package Power Dissipation = (T
J
Max–T
A
)/
θ
JA
.
PIN FUNCTION DESCRIPTIONS
Pin
Mnemonic Description
1
V
SS
Negative Power Supply, specified for opera-
tion from 0 V to –2.7 V.
Terminal B of RDAC#2.
Terminal A of RDAC#2.
Wiper, RDAC#2, addr = 1
2
Digital Ground.
Active Low Input. Terminal A open-circuit
and Terminal B shorted to Wiper. Shut-
down controls both RDACs #1 and #2.
Chip Select Input, Active Low. When
CS
returns high, data in the serial input register
is decoded, based on the address bit, and
loaded into the corresponding RDAC register.
Serial Data Input. MSB is loaded first.
Serial Data Output. Open Drain transistor
requires pull-up resistor.
Serial Clock Input. Positive Edge Triggered.
Positive Power Supply. Specified for opera-
tion at 2.7 V to 5.5 V.
Wiper, RDAC #1, addr = 0
2
.
Terminal A of RDAC #1.
Terminal B of RDAC #1.
2
3
4
5
6
B2
A2
W2
DGND
SHDN
7
CS
8
9
SDI
SDO
10
11
CLK
V
DD
12
13
14
W1
A1
B1
Table I. Serial-Data Word Format
ADDR
B9
DATA
B6
B5
B8
B7
B4
B3
B2
B1
B0
A1
A0
D7
MSB
2
7
D6
D5
D4
D3
D2
D1
D0
LSB
2
0
2
9
2
8
NOTES
ADDR(RDAC1) = 00; ADDR(RDAC2 = 01).
Data loads B9 first into SDI pin.
PIN CONFIGURATION
TOP VIEW
(Not to Scale)
14
13
12
11
10
9
8
1
2
3
4
5
6
7
B1
V
SS
AD5207
A1
B2
W1
A2
V
DD
W2
CLK
DGND
SDO
SHDN
SDI
CS
ORDERING GUIDE
Temperature
Range
–40
°
C to +125
°
C
–40
°
C to +125
°
C
–40
°
C to +125
°
C
Package
Description
Package
Option
Qty Per
Container
Branding
Information
*
Model
k
AD5207BRU10-REEL7
AD5207BRU50-REEL7
AD5207BRU100-REEL7
10
50
100
TSSOP-14
TSSOP-14
TSSOP-14
RU-14
RU-14
RU-14
1,000
1,000
1,000
B10
B50
B100
*
Three lines of information appear on the device. Line 1 lists the part number; Line 2 includes branding information and the ADI logo, and Line 3 contains the
date code YYWW.
相關(guān)PDF資料
PDF描述
AD5207 2-Channel, 256-Position Digital Potentiometer
AD5207BRU10-REEL7 2-Channel, 256-Position Digital Potentiometer
AD5207BRU100-REEL7 2-Channel, 256-Position Digital Potentiometer
AD5241BRU10-REEL7 Audio digital potentiometers
AD5241BRU100-REEL7 Audio digital potentiometers
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