Datasheet
REV. E
–2–
AD7664
Parameter Conditions Min Typ Max Unit
RESOLUTION 16 Bits
ANALOG INPUT
Voltage Range V
IN
– V
INGND
0V
REF
V
Operating Input Voltage V
IN
–0.1 +3 V
V
INGND
–0.1 +0.5 V
Analog Input CMRR f
IN
= 10 kHz 62 dB
Input Current 570 kSPS Throughput 7 µA
Input Impedance See Analog Input Section
THROUGHPUT SPEED
Complete Cycle In Warp Mode 1.75 µs
Throughput Rate In Warp Mode 1 570 kSPS
Time between Conversions In Warp Mode 1 ms
Complete Cycle In Normal Mode 2 µs
Throughput Rate In Normal Mode 0 500 kSPS
Complete Cycle In Impulse Mode 2.25 µs
Throughput Rate In Impulse Mode 0 444 kSPS
DC ACCURACY
Integral Linearity Error –2.5 +2.5 LSB
1
Differential Linearity Error –1 +1.5 LSB
No Missing Codes 16 Bits
Transition Noise 0.7 LSB
Full-Scale Error
2
REF = 2.5 V ±0.08 % of FSR
Unipolar Zero Error
2
±5 ±15 LSB
Power Supply Sensitivity AVDD = 5 V ±5% ±3 LSB
AC ACCURACY
Signal-to-Noise f
IN
= 100 kHz 90 dB
3
Spurious-Free Dynamic Range f
IN
= 45 kHz 100 dB
f
IN
= 100 kHz 100 dB
Total Harmonic Distortion f
IN
= 45 kHz –100 dB
f
IN
= 100 kHz –100 dB
Signal-to-(Noise+Distortion) f
IN
= 45 kHz 90 dB
f
IN
= 100 kHz 89 dB
–60 dB Input, f
IN
= 100 kHz 30 dB
–3 dB Input Bandwidth 18 MHz
SAMPLING DYNAMICS
Aperture Delay 2ns
Aperture Jitter 5 ps rms
Transient Response Full-Scale Step 250 ns
REFERENCE
External Reference Voltage Range 2.3 2.5 AVDD – 1.85 V
External Reference Current Drain 570 kSPS Throughput 115 µA
DIGITAL INPUTS
Logic Levels
V
IL
–0.3 +0.8 V
V
IH
2.0 OVDD + 0.3 V
I
IL
–1 +1 µA
I
IH
–1 +1 µA
DIGITAL OUTPUTS
Data Format Parallel or Serial 16-Bits
Pipeline Delay Conversion Results Available
Immediately after
Completed Conversion
V
OL
I
SINK
= 1.6 mA 0.4 V
V
OH
I
SOURCE
= –500 µA OVDD – 0.6 V
POWER SUPPLIES
Specified Performance
AVDD 4.75 5 5.25 V
DVDD 4.75 5 5.25 V
OVDD 2.7 5.25 V
Operating Current
4
500 kSPS Throughput
AVDD 15.5 mA
DVDD
5
3.8 mA
OVDD
5
100 µA
Power Dissipation
5
500 kSPS Throughput
4
115 mW
100 SPS Throughput
6
21 µW
In Power-Down Mode
7
7 µW
–SPECIFICATIONS
(–40C to +85C, AVDD = DVDD = 5 V, OVDD = 2.7 V to 5.25 V, unless otherwise noted.)