AD5428 Analog Devices, AD5428 Datasheet - Page 17

• Manufacturer Part Number: AD5428
• Description: Dual 8-Bit, High Bandwidth Multiplying DACs with Parallel Interface
• Manufacturer: Analog Devices

Specifications of AD5428

• Resolution (bits): 8bit
• Dac Update Rate: 21.3MSPS
• Dac Settling Time: 30ns
• Max Pos Supply (v): +5.5V
• Single-supply: Yes
• Dac Type: Current Out
• Dac Input Format: Par

Data Sheet
INPUTS
DATA
DAC A/B
DGND
DB11
DB7
DB9
DB0
R/W
V
CS
DD
1
2
R1, R2 AND R3, R4 USED ONLY IF GAIN ADJUSTMENT IS REQUIRED.
C1, C2 PHASE COMPENSATION (1pF TO 2pF) IS REQUIRED WHEN USING
HIGH SPEED AMPLIFIERS TO PREVENT RINGING OR OSCILLATION.
AD5428/AD5440/AD5447
POWER-ON
CONTROL
BUFFER
RESET
INPUT
LOGIC
LATCH
LATCH
Figure 38. Unipolar Operation
Rev. C | Page 17 of 32
V
V
REF
REF
(±10V)
(±10V)
8-/10-/12-BIT
A
R-2R DAC A
8-/10-/12-BIT
B
V
R-2R DAC B
V
IN
IN
A
B
R1
R3
1
1
R
R
I
AGND
I
OUT
OUT
R
R
FB
FB
B
A
A
B
R2
R4
AD5428/AD5440/AD5447
1
1
AGND
AGND
C1
C2
2
2
V
V
OUT
OUT
A
B