Datasheet

AD7660–SPECIFICATIONS
(–40C to +85C, AVDD = DVDD = 5 V, OVDD = 2.7 V to 5.25 V, unless otherwise noted.)
REV. D
–2–
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
= 25 kHz 70 dB
Input Current 100 kSPS Throughput 325 nA
Input Impedance See Analog Input Section
THROUGHPUT SPEED
Complete Cycle 10 ms
Throughput Rate 0 100 kSPS
DC ACCURACY
Integral Linearity Error –3 +3 LSB
1
Differential Linearity Error –1 +1.75 LSB
No Missing Codes 16 Bits
Transition Noise
2
0.75 LSB
Full-Scale Error
3
REF = 2.5 V ± 0.045 ± 0.08 % of FSR
Unipolar Zero Error
3
± 1 ± 5 LSB
Power Supply Sensitivity AVDD = 5 V ± 5% ± 3 LSB
AC ACCURACY
Signal-to-Noise f
IN
= 10 kHz 87 90 dB
4
f
IN
= 45 kHz 90 dB
Spurious-Free Dynamic Range f
IN
= 10 kHz 96 dB
f
IN
= 45 kHz 100 dB
Total Harmonic Distortion f
IN
= 10 kHz –96 dB
f
IN
= 45 kHz –100 dB
Signal-to-(Noise+Distortion) f
IN
= 10 kHz 87 dB
f
IN
= 45 kHz 90 dB
–60 dB Input 30 dB
–3 dB Input Bandwidth 820 kHz
SAMPLING DYNAMICS
Aperture Delay 2ns
Aperture Jitter 5 ps rms
Transient Response Full-Scale Step 8 ms
REFERENCE
External Reference Voltage Range 2.3 2.5 AVDD – 1.85 V
External Reference Current Drain 100 kSPS Throughput 22 mA
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 100 kSPS Throughput
AVDD 3.2 mA
DVDD
5
1mA
OVDD
5
10 mA
Power Dissipation
5
100 kSPS Throughput 21 25 mW
100 SPS Throughput 21 mW
in Power-Down Mode
5, 6
7 mW
DIGITAL INPUTS
Logic Levels
V
IL
–0.3 +0.8 V
V
IH
+2.0 OVDD + 0.3 V
I
IL
–1 +1 mA
I
IH
–1 +1 mA
DIGITAL OUTPUTS
Data Format Parallel or Serial 16-Bit
Pipeline Delay Conversion Results Available Immediately
after Completed Conversion
V
OL
I
SINK
= 1.6 mA 0.4 V
V
OH
I
SOURCE
= –500 mA OVDD – 0.6 V