Datasheet
Table Of Contents
- Features
- Applications
- Functional Block Diagram
- General Description
- Revision History
- Specifications
- Absolute Maximum Ratings
- Pin Configurations and Function Descriptions
- Typical Performance Characteristics
- Terminology
- General Description
- DAC Section
- Circuit Operation
- Single-Supply Applications
- Adding Gain
- Divider or Programmable Gain Element
- Reference Selection
- Amplifier Selection
- Serial Interface
- Microprocessor Interfacing
- ADSP-21xx-to-AD5450/AD5451/AD5452/AD5453 Interface
- ADSP-BF5xx-to-AD5450/AD5451/AD5452/AD5453 Interface
- 80C51/80L51-to-AD5450/AD5451/AD5452/AD5453 Interface
- MC68HC11-to-AD5450/AD5451/AD5452/AD5453 Interface
- MICROWIRE-to-AD5450/AD5451/AD5452/AD5453 Interface
- PIC16C6x/PIC16C7x-to- AD5450/AD5451/AD5452/AD5453 Interface
- PCB Layout and Power Supply Decoupling
- Outline Dimensions

Data Sheet AD5450/AD5451/AD5452/AD5453
Rev. G | Page 3 of 28
SPECIFICATIONS
V
DD
= 2.5 V to 5.5 V, V
REF
= 10 V. Temperature range for Y version: −40°C to +125°C. All specifications T
MIN
to T
MAX
, unless otherwise
noted. DC performance measured with OP177 and ac performance measured with AD8038, unless otherwise noted.
Table 1.
Parameter Min Typ Max Unit Test Conditions
STATIC PERFORMANCE
AD5450
Resolution 8 Bits
Relative Accuracy ±0.25 LSB
Differential Nonlinearity ±0.5 LSB Guaranteed monotonic
Total Unadjusted Error ±0.5 LSB
Gain Error ±0.25 LSB
AD5451
Resolution 10 Bits
Relative Accuracy ±0.25 LSB
Differential Nonlinearity ±0.5 LSB Guaranteed monotonic
Total Unadjusted Error
±0.5
LSB
Gain Error ±0.25 LSB
AD5452
Resolution 12 Bits
Relative Accuracy ±0.5 LSB
Differential Nonlinearity ±1 LSB Guaranteed monotonic
Total Unadjusted Error ±1 LSB
Gain Error ±0.5 LSB
AD5453
Resolution 14 Bits
Relative Accuracy ±2 LSB
Differential Nonlinearity −1/+2 LSB Guaranteed monotonic
Total Unadjusted Error ±4 LSB
Gain Error ±2.5 LSB
Gain Error Temperature Coefficient
1
±2 ppm FSR/°C
Output Leakage Current ±1 nA Data = 0x0000, T
A
= 25°C, I
OUT
1
±10 nA Data = 0x0000, T
A
= −40°C to +125°C, I
OUT
1
REFERENCE INPUT
1
Reference Input Range ±10 V
V
REF
Input Resistance 7 9 11 kΩ Input resistance, TC = −50 ppm/°C
R
FB
Feedback Resistance 7 9 11 kΩ Input resistance, TC = −50 ppm/°C
Input Capacitance
Zero-Scale Code 18 22 pF
Full-Scale Code 18 22 pF
DIGITAL INPUTS/OUTPUTS
1
Input High Voltage, V
IH
2.0 V V
DD
= 3.6 V to 5 V
1.7 V V
DD
= 2.5 V to 3.6 V
Input Low Voltage, V
IL
0.8 V V
DD
= 2.7 V to 5.5 V
0.7
V
V
DD
= 2.5 V to 2.7 V
Output High Voltage, V
OH
V
DD
− 1 V V
DD
= 4.5 V to 5 V, I
SOURCE
= 200 µA
V
DD
− 0.5 V V
DD
= 2.5 V to 3.6 V, I
SOURCE
= 200 µA
Output Low Voltage, V
OL
0.4 V V
DD
= 4.5 V to 5 V, I
SINK
= 200 µA
0.4 V V
DD
= 2.5 V to 3.6 V, I
SINK
= 200 µA
Input Leakage Current, I
IL
±1 nA T
A
= 25°C
±10 nA T
A
= −40°C to +125°C
Input Capacitance 10 pF