Datasheet
Table Of Contents
- FEATURES
- APPLICATIONS
- FUNCTIONAL BLOCK DIAGRAM
- GENERAL DESCRIPTION
- TABLE OF CONTENTS
- REVISION HISTORY
- PRODUCT HIGHLIGHTS
- SPECIFICATIONS
- ABSOLUTE MAXIMUM RATINGS
- PIN CONFIGURATION AND FUNCTION DESCRIPTIONS
- TERMINOLOGY
- TYPICAL PERFORMANCE CHARACTERISTICS
- THEORY OF OPERATION
- APPLYING THE AD9772A
- APPLICATIONS INFORMATION
- AD9772A EVALUATION BOARD
- OUTLINE DIMENSIONS

AD9772A
Rev. C | Page 4 of 40
SPECIFICATIONS
DC SPECIFICATIONS
T
MIN
to T
MAX
, AVDD = 3.3 V, CLKVDD = 3.3 V, PLLVDD = 0 V, DVDD = 3.3 V, I
OUTFS
= 20 mA, unless otherwise noted.
Table 1.
Parameter Min Typ Max Unit
RESOLUTION 14 Bits
DC ACCURACY
1
Integral Linearity Error (INL) ±3.5 LSB
Differential Nonlinearity (DNL) ±2.0 LSB
Monotonicity (12-Bit) Guaranteed over specified temperature range
ANALOG OUTPUT
Offset Error −0.025 +0.025 % of FSR
Gain Error
Without Internal Reference −2 ±0.5 +2 % of FSR
With Internal Reference −5 ±1.5 +5 % of FSR
Full-Scale Output Current
2
20 mA
Output Compliance Range −1.0 +1.25 V
Output Resistance 200 kΩ
Output Capacitance 3 pF
REFERENCE OUTPUT
Reference Voltage 1.14 1.20 1.26 V
Reference Output Current
3
1 A
REFERENCE INPUT
Input Compliance Range 0.1 1.25 V
Reference Input Resistance (REFLO = 3 V) 10 MΩ
Small-Signal Bandwidth 0.5 MHz
TEMPERATURE COEFFICIENTS
Unipolar Offset Drift 0 ppm of FSR/°C
Gain Drift
Without Internal Reference ±50 ppm of FSR/°C
With Internal Reference ±100 ppm of FSR/°C
Reference Voltage Drift ±50 ppm/°C
POWER SUPPLY
AVDD
Voltage Range 3.1 3.3 3.5 V
Analog Supply Current (I
AVDD
) 34 37 mA
Analog Supply Current in Sleep Mode (I
AVDD
) 4.3 6 mA
DVDD
Voltage Range 3.1 3.3 3.5 V
Digital Supply Current (I
DVDD
) 37 40 mA
CLKVDD, PLLVDD
4
(PLLVDD = 3.3 V)
Voltage Range 3.1 3.3 3.5 V
Clock Supply Current (I
CLKVDD
+ I
PLLVDD
) 25 30 mA