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AD7293 Datasheet(PDF) 3 Page - Analog Devices

Part # AD7293
Description  12-Bit Power Amplifier Current Controller
PDF  78 Pages
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Manufacturer  AD [Analog Devices]
Direct Link  http://www.analog.com
Logo AD - Analog Devices

AD7293 Datasheet(HTML) 3 Page - Analog Devices

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Data Sheet
AD7293
Rev. B | Page 3 of 78
FUNCTIONAL BLOCK DIAGRAMS
Figure 2. Closed-Loop Functional Block Diagram
BI-VOUT3MON
BI-VOUT2MON
BI-VOUT1MON
BI-VOUT0MON
VIN0
VIN1
VIN2
VIN3
DACVDD-BI
DACVDD-UNI
AVSS
AVDD
VDRIVE
DVDD
D1+
D1–
D0+
D0–
VREFIN
VREFOUT
AD7293
UNI-VOUT3
UNIPOLAR
DAC
UNI-VOUT2
UNIPOLAR
DAC
UNI-VOUT1
UNIPOLAR
DAC
UNI-VOUT0
UNIPOLAR
DAC
BI-VOUT0
BIPOLAR
DAC
0V TO 5V
2.5V TO 7.5V
5V TO 10V
CLOSED-LOOP 3
CLOSED-LOOP 2
CLOSED-LOOP 1
CLOSED-LOOP 0
VCLAMP0
VCLAMP1
SPI
INTERFACE
RESET
LOGIC
DIGITAL
INPUT/OUTPUT
LDAC AND
CLAMP CONTROL
BI-VOUT1
BIPOLAR
DAC
RS0+
RS0–
BI-VOUT2
BIPOLAR
DAC
RS1+
RS1–
BI-VOUT3
BIPOLAR
DAC
RS2+
RS2–
RS3+
RS3–
PAVDD
PA_ON
PMOS
CONTROL
PRECISION
2.5V
REFERENCE
×
1
2
REFADC
CONTROL
LOGIC
ALERT AND
LIMIT
REGISTERS
MUX
2.5V
1.25V
1
1
Σ
–
+
Σ
–
+
Σ
–
+
Σ
–
+



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