Datasheet
Table Of Contents
- Features
- Applications
- Functional Block Diagram
- General Description
- Product Highlights
- Table of Contents
- Specifications
- Absolute Maximum Ratings
- Pin Configurations and Function Descriptions
- Typical Performance Characteristics
- Terminology
- Theory of Operation
- Digital-to-Analog Converters
- Transfer Function
- DAC Architecture
- Serial Interface
- Standalone Operation
- Write and Update Commands
- Daisy-Chain Operation
- Readback Operation
- Power-Down Operation
- Load DAC (Hardware /LDAC Pin)
- Mask Register
- Hardware Reset (/RESET)
- Reset Select Pin (RSTSEL)
- Internal Reference Setup
- Solder Heat Reflow
- Long-Term Temperature Drift
- Thermal Hysteresis
- Applications Information
- Outline Dimensions

AD5689R/AD5687R Data Sheet
Rev. 0 | Page 16 of 28
Figure 38. 0.1 Hz to 10 Hz Output Noise Plot, 2.5 V Internal Reference
Figure 39. Noise Spectral Density (NSD)
Figure 40. Total Harmonic Distortion at 1 kHz
Figure 41. Multiplying Bandwidth, External Reference = 2.5 V, ±0.1 V p-p,
10 kHz to 10 MHz
CH1 10µV M1.0s A CH1 802mV
1
T
V
DD
= 5V
T
A
= 25°C
INTERNAL REFERENCE = 2.5V
11256-039
0
200
400
600
800
1000
1200
1400
1600
10 1M100k1k 10k100
NSD (nV/ Hz)
FREQUENCY (Hz)
FULL SCALE
MIDSCALE
ZERO SCALE
V
DD
= 5V
T
A
= 25°C
INTERNAL REFERENCE = 2.5V
11256-040
–180
–160
–140
–120
–100
–80
–60
–40
–20
0
20
0 20000160008000 1200040002000 1800010000 140006000
THD (dBV)
FREQUENCY (Hz)
V
DD
= 5V
T
A
= 25°C
REFERENCE = 2.5V
11256-041
–60
–50
–40
–30
–20
–10
0
10k 10M1M100k
BANDWIDTH (dB)
FREQUENCY (Hz)
V
DD
= 5V
T
A
= 25°C
REFERENCE = 2.5V, ±0.1V p-p
11256-042