Datasheet

AD5590
Rev. A | Page 4 of 44
SPECIFICATIONS
ADC SPECIFICATIONS
ADCV
DD
= V
DRIVE
= 2.7 V to 5.25 V
REFA
= 2.5 V, f
SCLK
1
= 20 MHz, T
A
= T
MIN
to T
MAX
, unless otherwise noted.
Table 1.
Parameter Min Typ Max Unit Test Conditions/Comments
2
DYNAMIC PERFORMANCE f
IN
= 50 kHz sine wave, f
SCLK
= 20 MHz
Signal-to-(Noise + Distortion) (SINAD)
3
68.5 70 dB @ 5 V
70.5 dB @ 3 V
Signal-to-Noise Ratio (SNR)
3
69 70 dB @ 5 V
70.5 dB @ 3 V
Total Harmonic Distortion (THD)
3
−74 −82 dB @ 5 V
−82 dB @ 3 V
Peak Harmonic or Spurious Noise (SFDR)
3
−75 −86 dB @ 5 V
−80 dB @ 3 V
Intermodulation Distortion (IMD)
3, 4
fa = 40.1 kHz, fb = 41.5 kHz
Second-Order Terms −85 dB
Third-Order Terms −85 dB
Aperture Delay
4
10 ns
Aperture Jitter
4
50 ps
Channel-to-Channel Isolation
3, 4
−82
dB
f
IN
= 400 kHz
Full Power Bandwidth
4
8.2 MHz @ 3 dB
1.6 MHz @ 0.1 dB
DC ACCURACY
3
Resolution 12 Bits
Integral Nonlinearity −1 +1 LSB
Differential Nonlinearity −1 +1.5 LSB Guaranteed no missing codes to 12 bits
0 V to V
REFA
Input Range Straight binary output coding
Offset Error −10 ±0.6 +10 LSB
Offset Error Match 3.5 LSB
Gain Error −2 +2 LSB
Gain Error Match −0.8 +0.8 LSB
0 V to 2 × V
REFA
Input Range −V
REFA
to +V
REFA
biased about V
RE FA
with
twos complement output coding offset
Positive Gain Error −2 +2 LSB
Positive Gain Error Match −0.8 +0.8 LSB
Zero-Code Error −8 ±0.6 +8 LSB
Zero-Code Error Match 2 LSB
Negative Gain Error −1 +1 LSB
Negative Gain Error Match −0.8 +0.8 LSB
ANALOG INPUT
Input Voltage Ranges 0 to V
REFA
V Range bit set to 1
0 to 2 × V
REFA
V
Range bit set to 0, ADCV
DD
/V
DRIVE
= 4.75 V
to 5.25 V for 0 V to 2 × V
REFAS
DC Leakage Current −1 +1 µA
Input Capacitance
4
20 pF
REFERENCE INPUT
V
REFA
Input Voltage 2.5 V ±1% specified performance
DC Leakage Current −1 +1 µA
V
REFA
Input Impedance
4
36 kΩ f
SAMPLE
= 1 MSPS