Datasheet

AD9203
Rev. B | Page 3 of 28
SPECIFICATIONS
AVDD = 3 V, DRVDD = 3 V, F
S
= 40 MSPS, input span from 0.5 V to 2.5 V, internal 1 V reference, PWRCON = AVDD, 50% clock duty
cycle, T
MIN
to T
MAX
unless otherwise noted.
Table 1.
Parameter Symbol Min Typ Max Unit Conditions
RESOLUTION 10 Bits
MAX CONVERSION RATE F
S
40 MSPS
PIPELINE DELAY 5.5
Clock
Cycles
DC ACCURACY
Differential Nonlinearity DNL ± 0.25 ± 0.7 LSB
Integral Nonlinearity INL ± 0.65 ± 1.4 LSB
Offset Error E
ZS
± 0.6 ± 2.8 % FSR
Gain Error E
FS
± 0.7 ± 4.0 % FSR
ANALOG INPUT
Input Voltage Range AIN 1 2 V p-p
Input Capacitance C
IN
1.4 pF
Aperture Delay T
AP
2.0 ns
Aperture Uncertainty (Jitter) T
AJ
1.2 ps rms
Input Bandwidth (–3 dB) BW 390 MHz
Input Referred Noise 0.3 mV Switched, Single-Ended
INTERNAL REFERENCE
Output Voltage (0.5 V Mode) VREF 0.5 V REFSENSE = VREF
Output Voltage (1 V Mode) VREF 1 V REFSENSE = GND
Output Voltage Tolerance (1 V Mode) ± 5 ± 30 mV
Load Regulation 0.65 1.2 mV 1.0 mA Load
POWER SUPPLY
Operating Voltage AVDD 2.7 3.0 3.6 V
DRVDD 2.7 3.0 3.6 V
Analog Supply Current IAVDD 20.1 22.0 mA
Digital Supply Current IDRVDD 4.4 6.0 mA f
IN
= 4.8 MHz, Output Bus Load = 10pF
9.5 14.0 mA f
IN
= 20 MHz, Output Bus Load = 20 pF
Power Consumption 74 84.0 mW f
IN
= 4.8 MHz, Output Bus Load = 10pF
88.8 108.0 mW f
IN
= 20 MHz, Output Bus Load = 20 pF
Power-Down P
D
0.65 1.2 mW
Power Supply Rejection Ratio PSRR 0.04 ± 0.25 % F
S
DYNAMIC PERFORMANCE (AIN = 0.5 dBFS)
Signal-to-Noise and Distortion
1
SINAD
f = 4.8 MHz 59.7 dB
f = 20 MHz 57.2 59.3 dB
Effective Bits ENOB
f = 4.8 MHz
1
9.6 Bits
f = 20 MHz 9.2 9.55 Bits
Signal-to-Noise Ratio SNR
f = 4.8 MHz
1
60.0 dB
f = 20 MHz 57.5 59.5 dB
Total Harmonic Distortion THD
f = 4.8MHz −76.0 dB
f = 20 MHz −74.0 −65.0 dB
Spurious-Free Dynamic Range SFDR
f = 4.8 MHz
1
80 dB
f = 20 MHz 67.8 78 dB