AD5207
ABSOLUTE MAXIMUM RATINGS1
PIN FUNCTION DESCRIPTIONS
Pin Mnemonic Description
(TA = 25°C, unless otherwise noted)
VDD to GND . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –0.3, +7 V
VSS to GND . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0, –3 V
VDD to VSS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 V
VA, VB, VW to GND . . . . . . . . . . . . . . . . . . . . . . . . . . VSS, VDD
1
VSS
Negative Power Supply, specified for opera-
tion from 0 V to –2.7 V.
2
3
4
5
6
B2
A2
W2
DGND
SHDN
Terminal B of RDAC#2.
Terminal A of RDAC#2.
Wiper, RDAC#2, addr = 12
Digital Ground.
Active Low Input. Terminal A open-circuit
and Terminal B shorted to Wiper. Shut-
down controls both RDACs #1 and #2.
IMAX2 (A, B, W) . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
20 mA
Digital Inputs and Output Voltage to GND . . 0 V, VDD + 0.3 V
Operating Temperature Range . . . . . . . . . . –40°C to +125°C
Maximum Junction Temperature (TJ Max) . . . . . . . . . . 150°C
Storage Temperature . . . . . . . . . . . . . . . . . . –65°C to +150°C
Lead Temperature (Soldering, 10 sec) . . . . . . . . . . . . . 300°C
Thermal Resistance3 θJA, TSSOP-14 . . . . . . . . . . . . . 206°C/W
7
CS
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.
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.
8
9
SDI
SDO
10
11
CLK
VDD
3 Package Power Dissipation = (TJ Max–TA)/θJA
.
12
13
14
W1
A1
B1
Wiper, RDAC #1, addr = 02.
Terminal A of RDAC #1.
Terminal B of RDAC #1.
PIN CONFIGURATION
V
1
2
3
4
5
6
7
14
13
12
11
10
9
B1
A1
W1
SS
B2
A2
Table I. Serial-Data Word Format
DATA
AD5207
TOP VIEW
(Not to Scale)
W2
ADDR
B9
V
DD
B8
B7
B6
B5
B4
B3
B2
B1
B0
DGND
SHDN
CS
CLK
SDO
SDI
A1
A0
D7
D6
D5
D4
D3
D2
D1
D0
LSB
20
8
MSB
29
28
27
NOTES
ADDR(RDAC1) = 00; ADDR(RDAC2 = 01).
Data loads B9 first into SDI pin.
ORDERING GUIDE
Temperature
Range
Package
Description
Package
Option
Qty Per
Container
Branding
Information*
Model
kꢀ
AD5207BRU10-REEL7
AD5207BRU50-REEL7
AD5207BRU100-REEL7
10
50
100
–40°C to +125°C
–40°C to +125°C
–40°C to +125°C
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.
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
–4–
REV. 0
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