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AD9713BTQ View Datasheet(PDF) - Analog Devices

Part Name
Description
View to exact match
AD9713BTQ
ADI
Analog Devices ADI
AD9713BTQ Datasheet PDF : 12 Pages
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AD9712B/AD9713B
PIN DESCRIPTIONS
Pin # Name
Function
1–10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
D2–D11
D12 (LSB)
DIGITAL –VS
ANALOG RETURN
IOUT
ANALOG –VS
IOUT
REFERENCE IN
CONTROL AMP OUT
CONTROL AMP IN
REFERENCE OUT
DIGITAL –VS
REFERENCE GROUND
DIGITAL +VS
RSET
ANALOG –VS
LATCH ENABLE
DIGITAL GROUND
D1 (MSB)
Ten bits of twelve-bit digital input word.
Least Significant Bit (LSB) of digital input word.
Input Coding vs. Current Output
Input Code D1–D12
IOUT (mA)
IOUT (mA)
1111111111
0000000000
–20.475
0
0
–20.475
One of two negative digital supply pins; nominally –5.2 V.
Analog ground return. This point and the reference side of the DAC load resistors should be
connected to the same potential (nominally ground).
Analog current output; full-scale output occurs with digital inputs at all “1.”
One of two negative analog supply pins; nominally –5.2 V.
Complementary analog current output; zero scale output occurs with digital inputs at all “1.”
Normally connected to CONTROL AMP OUT (Pin 18). Direct line to DAC current source
network. Voltage changes at this point have a direct effect on the full-scale output value of
unit. Full-scale current output = 128 (Reference voltage/RSET) when using internal amplifier.
Normally connected to REFERENCE INPUT (Pin 17). Output of internal control amplifier,
which provides a temperature-compensated drive level to the current switch network.
Normally connected to REFERENCE OUT (Pin 20) if not connected to external reference.
Normally connected to CONTROL AMP IN (Pin 19). Internal voltage reference, nominally
–1.18 V.
One of two negative digital supply pins; nominally –5.2 V.
Ground return for the internal voltage reference and amplifier.
Positive digital supply pin, used only on the AD9713B; nominally +5 V. No connection to this
pin on AD9712B.
Connection for external resistance reference. Full-scale current out = 128 (Reference voltage/
RSET) when using internal amplifier. Nominally 7.5 k.
One of two negative analog supply pins; nominally –5.2 V.
Transparent latch control line. Register is transparent when LATCH ENABLE is LOW.
Digital ground return.
Most Significant Bit (MSB) of digital input word.
PIN CONFIGURATIONS
DIP
PLCC/LCC
D2 1
28 D1 (MSB0)
D3 2
27 DIGITAL GROUND
D4 3
26 LATCH ENABLE
D5 4
25 ANALOG –VS
D6 5
24 RSET
D7 6 AD9712B
AD9713B
D8 7
23 DIGITAL +VS
22 REFERENCE GROUND
TOP VIEW
D9 8 (Not to Scale) 21 DIGITAL –VS
D10 9
20 REFERENCE OUT
D11 10
19 CONTROL AMP IN
D12 (LSB) 11
DIGITAL –VS 12
ANALOG RETURN 13
18 CONTROL AMP OUT
17 REFERENCE IN
16 I OUT
IOUT 14
15 ANALOG –VS
4 3 2 1 28 27 26
D6 5
D7 6
D8 7
D9 8
D10 9
D11 10
D12 (LSB) 11
AD9712B
AD9713B
TOP VIEW
(Not to Scale)
25 ANALOG –VS
24 R SET
23 DIGITAL +VS
REFERENCE
22 GROUND
21 DIGITAL –VS
REFERENCE
20 OUT
19 CONTROL
AMP IN
12 13 14 15 16 17 18
–4–
REV. B
 

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