REV.
–2–
AD9058–SPECIFICATIONS
ELECTRICAL CHARACTERISTICS
[ⴞV
S
= ⴞ5 V; V
REF
= 2 V (internal); ENCODE = 40 MSPS; A
IN
= 0 V to 2 V; –V
REF
=
GROUND, unless otherwise noted.]
1
All specifications apply to either of the two ADCs.
Test AD9058AJD/AJJ AD9058AKD/AKJ
Parameter Temp Level Min Typ Max Min Typ Max Unit
RESOLUTION 8 8 Bits
DC ACCURACY
Differential Nonlinearity 25°C I 0.25 0.65 0.25 0.5 LSB
Full VI 0.8 0.7 LSB
Integral Nonlinearity 25°C I 0.5 1.3 0.5 1.0 LSB
Full VI 1.4 1.25 LSB
No Missing Codes Full VI Guaranteed Guaranteed
ANALOG INPUT
Input Bias Current 25°C I 75 170 75 170 μA
Full VI 340 340 μA
Input Resistance 25°C I 12 28 12 28 kΩ
Input Capacitance 25°CIV 10 15 10 15 pF
Analog Bandwidth 25°C V 175 175 MHz
REFERENCE INPUT
Reference Ladder Resistance 25°C I 120 170 220 120 170 220 Ω
Full VI 80 270 80 270 Ω
Ladder Tempco Full V 0.45 0.45 Ω/°C
Reference Ladder Offset 25°CI 8 16 8 16 mV
(Top) Full VI 24 24 mV
Reference Ladder Offset 25°CI 8 23 8 23 mV
(Bottom) Full VI 33 33 mV
Offset Drift Coefficient Full V 50 50 μV/°C
INTERNAL VOLTAGE REFERENCE
Reference Voltage 25°C I 1.95 2.0 2.20 1.95 2.0 2.20 V
Full VI 1.90 2.25 1.90 2.25 V
Temperature Coefficient Full V 150 150 μV/°C
Power Supply Rejection
Ratio (PSRR) 25°C I 10 25 10 25 mV/V
SWITCHING PERFORMANCE
Maximum Conversion Rate
2
25°C I 50 50 60 MSPS
Aperture Delay (t
A
)25°C IV 0.1 0.8 1.5 0.1 0.8 1.5 ns
Aperture Delay Matching 25°C IV 0.2 0 5 0.2 0.5 ns
Aperture Uncertainty (Jitter) 25°C V 10 10 ps, rms
Output Delay (Valid) (t
V
)
2
25°CI 8 5 8 ns
Output Delay (t
V
) Tempco Full V 16 16 ps/°C
Propagation Delay (t
PD
)
2
25°C I 12 12 19 ns
Propagation Delay (t
PD
) Tempco Full V –16 –16 ps/°C
Output Time Skew 25°CV 1 1 ns
ENCODE INPUT
Logic “1” Voltage Full VI 2 2 V
Logic “0” Voltage Full VI 0.8 0.8 V
Logic “1” Current Full VI 600 600 μA
Logic “0” Current Full VI 1000 1000 μA
Input Capacitance 25°CV 5 5 pF
Pulsewidth (High) 25°CI 8 8 ns
Pulsewidth (Low) 25°CI 8 8 ns
E
