AD5737 Analog Devices, AD5737 Datasheet - Page 3

• Manufacturer Part Number: AD5737
• Description: Quad Channel, 12-Bit, Serial Input, 4-20mA Output DAC with Dynamic Power Control and HART Connectivity
• Manufacturer: Analog Devices

Specifications of AD5737

• Resolution (bits): 12bit
• Dac Settling Time: 15µs
• Max Pos Supply (v): +33V
• Single-supply: No
• Dac Type: Current Out
• Dac Input Format: Ser,SPI

Data Sheet
DETAILED FUNCTIONAL BLOCK DIAGRAM
REFOUT
CLEAR
ALERT
FAULT
REFIN
DGND
LDAC
SCLK
SYNC
DV
SDIN
SDO
AD1
AD0
DD
(SPI ACTIVITY)
AD5737
REFERENCE
WATCHDOG
POWER-ON
REGISTER
REGISTER
CONTROL
BUFFERS
STATUS
RESET
TIMER
INPUT
SHIFT
V
AND
REF
AGND
12
AV
+15V
DD
DAC CHANNEL A
DAC CHANNEL B
DAC CHANNEL C
DAC CHANNEL D
REG A
AV
DATA
5.0V
DAC
CC
GAIN REG A
OFFSET REG A
+
REG A
INPUT
DAC
Rev. A | Page 3 of 44
12
Figure 2.
DAC A
SW
CONTROL
DYNAMIC
B
POWER
, SW
C
, SW
D
7.4V TO 29.5V V
SW
R2
R1
V
A
BOOST_B
, V
V
SEN1
CONVERTER
BOOST_A
BOOST_C
DC-TO-DC
, V
V
SEN2
BOOST_D
R3
I
R
CHARTA
I
R
CHARTB, CHARTC, CHARTD
OUT_A
OUT_B
SET_B
SET_A
, I
, R
OUT_C
SET_C
, I
, R
AD5737
OUT_D
SET_D