AD5755-1x AD [Analog Devices], AD5755-1x Datasheet - Page 14

• Manufacturer Part Number: AD5755-1x
• Description: Quad Channel, 16-Bit, Serial Input, 4-20mA & Voltage Output DAC, Dynamic Power Control, HART Connectivity
• Manufacturer: AD [Analog Devices]

AD5755-1
Pin No.
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
Mnemonic
I
COMP
V
+V
CHARTC
COMP
AV
I
V
V
COMP
+V
CHARTD
COMP
REFIN
REFOUT
R
R
Exposed PADDLE
OUT_C
OUT_D
SET_D
SET_C
OUT_C
OUT_D
BOOST_D
SS
SENSE_C
SENSE_D
DCDC_C
LV_C
DCDC_D
LV_D
Description
Current Output Pin for DAC Channel C.
DC-DC Compensation Capacitor. Connect a 10 nF capacitor from this pin to ground. Used to regulate the
feedback loop of channel C’s DC-DC converter.
Buffered Analog Output Voltage for DAC Channel C.
Sense connection for the positive voltage output load connection for V
V of V
Hart Input Connection for DAC Channel C
Optional compensation capacitor connection for V
between this pin and the V
the addition of this capacitor reduces the bandwidth of the output amplifier, increasing the settling time.
Negative Analog Supply Pin.
Current Output Pin for DAC Channel D.
Buffered Analog Output Voltage for DAC Channel D.
Supply for channel D’s current output stage (See Figure 15). To use the DC-DC feature of the device,
connect as shown in Figure 21.
DC-DC Compensation Capacitor. Connect a 10 nF capacitor from this pin to ground. Used to regulate the
feedback loop of channel D’s DC-DC converter.
Sense connection for the positive voltage output load connection for V
V of V
Hart Input Connection for DAC Channel D
Optional compensation capacitor connection for V
between this pin and the V
the addition of this capacitor reduces the bandwidth of the output amplifier, increasing the settling time.
External Reference Voltage Input.
Internal Reference Voltage Output.
An external, precision, low drift 15 k Ω current setting resistor can be connected to this pin to improve the
I
An external, precision, low drift 15 kΩ current setting resistor can be connected to this pin to improve the
I
OUT_D
OUT_C
CONNECTED TO AVss
temperature drift performance. See the Features section.
temperature drift performance. See the Features section.
OUT_C
OUT_D
for correct operation.
for correct operation.
OUT_C
OUT_D
Rev. PrD | Page 14 of 34
pin allows the voltage output to drive up to 1 µF. It should be noted that
pin allows the voltage output to drive up to 1 µF. It should be noted that
OUT_C
OUT_D
‘s output buffer. Connecting a 220 pF capacitor
‘s output buffer. Connecting a 220 pF capacitor
Preliminary Technical Data
OUT_C
OUT_D
. This pin must stay within ±3.0
. This pin must stay within ±3.0