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AD5758 Datasheet(PDF) 44 Page - Analog Devices

Part # AD5758
Description  Single-Channel, 16-Bit Current and Voltage Output DAC
PDF  72 Pages
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Manufacturer  AD [Analog Devices]
Direct Link  http://www.analog.com
Logo AD - Analog Devices

AD5758 Datasheet(HTML) 44 Page - Analog Devices

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AD5758
Data Sheet
Rev. 0 | Page 44 of 72
ADC_IP_SELECT
VIN Node Description
ADC Transfer Function
11001
AGND
VIN (V) = D/212 × 2.5
11010
DGND
VIN (V) = D/212 × 2.5
11011
VDPC+
VIN (V) = D/212 × 2.5 × 15 = D/212 × 37.5
11100
AVDD2
VIN (V) = D/212 × 2.5 × 15 = D/212 × 37.5
11101
AVSS
VIN (V) = (15 × D/212 − 14) × 2.5
11110
DC-to-dc die node; configured in the DCDC_CONFIG2 register
00: AGND on dc-to-dc die
VIN (V) = (D/212) × 2.5
01: internal 2.5 V supply on dc-to-dc die
VIN (V) = (D/212) × 2.5 × 2 = (D/212) × 5
10: AVDD1
VIN (V) = D/212 × 2.5 × 15 = D/212 × 37.5
11: reserved
Reserved
11111
REFOUT
VIN (V) = (D/212) × 2.5
1 Selecting any of the VSENSE buffers as an input to the ADC reduces the step size in PPC current mode (see the PPC Current Mode section) to 0.667 V. This reduction, in
turn, changes the current output PPC mode VDPC+ voltage range to 5 V to 25.677 V.
AD5758
AVSS
AGND
AVDD2
DGND
SCLK
SDI
SDO
SYNC
FAULT
DATA AND
CONTROL
REGISTERS
DIGITAL
BLOCK
WATCHDOG
TIMER
STATUS
REGISTER
POWER-ON
RESET
REFERENCE
BUFFERS
DAC
REG
VREF
CALIBRATION
MEMORY
VOUT
RANGE
SCALING
REFOUT
REFIN
AD1
AD0
16-BIT
DAC
16
16
SW+
VDPC+
USER GAIN
USER OFFSET
RB
+VSENSE
VIOUT_INT
–VSENSE
CHART
IOUT
RANGE
SCALING
IOUT
VOUT
DC-TO-DC DIE
CLKOUT
REFGND
NOTES
1. GRAY ITEMS REPRESENT DIAGNOSTIC ADC INPUT NODES.
VLOGIC
VIOUT
CCOMP
PGND1
TEMPERATURE
SENSOR
ANALOG
DIAGNOSTICS
12-BIT
ADC
RESET
VDPC+
VLDO
VDPC+
MCLK
10MHz
RSET
VX
LDAC
FPS_EN
HART_EN
3-WIRE INTERFACE
TO
ADC
MUX
TEMPERATURE,
INTERNAL 2.5V SUPPLY,
DC-TO-DC DIE TO GND
–VSENSE BUFFER
+VSENSE BUFFER
REFIN BUFFER
REFOUT
POWER MANAGEMENT
BLOCK
INT_AVCC, REF2
AVDD1
INTERNAL
IOUT
MONITOR
RA
Figure 85. Diagnostic ADC Input Nodes



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