Datasheet
AD9984A
Rev. 0 | Page 3 of 44
SPECIFICATIONS
ANALOG INTERFACE CHARACTERISTICS
V
D
= 1.8 V, V
DD
= 3.3 V, PV
D
= 1.8 V, DAV
DD
= 1.8 V, ADC clock = maximum conversion rate, full temperature range = 0°C to 70°C.
Table 1. Electrical Characteristics
AD9984AKSTZ-140
AD9984AKCPZ-140
AD9984AKSTZ-170
AD9984AKCPZ-170
Parameter Temp
Tes t
Level
1
Min Typ Max Min Typ Max Unit
RESOLUTION
Number of Bits 10 10 Bits
LSB Size 0.098 0.098 % of full scale (FS)
DC ACCURACY
Differential Nonlinearity 25°C I ±0.6 +1.8/−1.0 ±0.7 +1.9/−1.0 LSB
Full VI +1.9/−1.0 +2.0/−1.0 LSB
Integral Nonlinearity 25°C I ±2.35 ±7.0 ±2.35 ±8.5 LSB
Full VI ±9.0 ±9.0 LSB
No Missing Codes Full VI GNT
2
GNT
2
ANALOG INPUT
Input Voltage Range
Minimum Full VI 0.5 0.5 V p-p
Maximum Full VI 1.0 1.0 V p-p
Gain Tempco 25°C V 125 125 ppm/°C
Input Bias Current 25°C IV 1 1 μA
Full IV 1 1 μA
Input Full-Scale Matching Full VI 1 1 % FS
Offset Adjustment Range Full VI 50 50 % FS
SWITCHING PERFORMANCE
Maximum Conversion Rate Full VI 140 170 MSPS
Minimum Conversion Rate Full IV 10 10 MSPS
Clock to Data Skew (t
SKEW
) Full IV −0.5 +2.0 −0.5 +2.0 ns
t
BUFF
Full VI 4.7 4.7 μs
t
STAH
Full VI 4.0 4.0 μs
t
DHO
Full VI 0 0 μs
t
DAL
Full VI 4.7 4.7 μs
t
DAH
Full VI 4.0 4.0 μs
t
DSU
Full VI 250 250 ns
t
STASU
Full VI 4.7 4.7 μs
t
STOSU
Full VI 4.0 4.0 μs
Maximum PLL Clock Rate Full VI 140 170 MHz
Minimum PLL Clock Rate Full IV 10 10 MHz
Sampling Phase Tempco Full IV 15 15 ps/°C
DIGITAL INPUTS
Input Voltage, High (V
IH
) Full VI 1.0 1.0 V
Input Voltage, Low (V
IL
) Full VI 0.8 0.8 V
Input Current, High (I
IH
) Full V −1.0 −1.0 μA
Input Current, Low (I
IL
) Full V 1.0 1.0 μA
Input Capacitance 25°C V 2 2 pF
DIGITAL OUTPUTS
Output Voltage, High (V
OH
) Full VI V
DD
− 0.1 V
DD
− 0.1 V
Output Voltage, Low (V
OL
) Full VI 0.1 0.1 V
Duty Cycle (DATACK) Full IV 45 50 55 45 50 55 %
Output Coding Binary Binary