Data Sheet AD9889B
SPECIFICATIONS
Table 1.
Parameter Test Conditions/Comments Temp
Test
Level
1
Min Typ Max Unit
DIGITAL INPUTS
Input Voltage, High (V
IH
) Full VI 1.4 3.5 V
Input Voltage, Low (V
IL
) Full VI 0.7 V
Input Capacitance 25°C V 3 pF
DIGITAL OUTPUTS
Output Voltage, High (V
OH
) Full VI V
DD
− 0.1 V
Output Voltage, Low (V
OL
) Full VI 0.4 V
THERMAL CHARACTERISTICS
Thermal Resistance
θ
JC
Junction to Case V 15.2 °C/W
θ
JA
Junction to Ambient V 59 °C/W
Ambient Temperature Full V −25 +25 +85 °C
DC SPECIFICATIONS
Input Leakage Current, I
IL
25°C VI −10 +10 μA
Input Clamp Voltage −16 mA 25°C V −0.8 V
+16 mA 25°C V +0.8 V
Differential High Level Output Voltage V AV
CC
V
Differential Output Short-Circuit Current IV 10 μA
POWER SUPPLY
V
DD
(All) Supply Voltage Full IV 1.71 1.8 1.89 V
V
DD
Supply Voltage Noise Full V 50 mV p-p
Power-Down Current With active video applied,
165 MHz, typical random pattern
25°C IV 9 mA
Transmitter Supply Current With active video applied,
165 MHz, typical random pattern
25°C IV 240 280 mA
Transmitter Total Power Full VI 432 504 mW
AC SPECIFICATIONS
CLK Frequency 165 MHz derivative 25°C IV 13.5 165 MHz
80 MHz derivative 25°C IV 13.5 80 MHz
TMDS Output CLK Duty Cycle 25°C IV 48 52 %
Worst Case CLK Input Jitter Full IV 2 ns
Input Data Setup Time Full IV 1 ns
Input Data Hold Time Full IV 1 ns
TMDS Differential Swing VI 800 1000 1200 mV
V
SYNC
and H
SYNC
Delay from DE Falling Edge VI 1 UI
2
V
SYNC
and H
SYNC
Delay to DE Rising Edge VI 1 UI
2
2
DE Low Time 25°C VI 138 UI
2
Differential Output Swing
Low to High Transition Time 25°C VII 75 490 ps
High to Low Transition Time 25°C VII 75 490 ps
AUDIO AC TIMING
Sample Rate I
2
S and S/PDIF Full IV 32 192 kHz
I
2
S Cycle Time 25°C IV 1 UI
2
I
2
S Setup Time 25°C IV 15 ns
I
2
S Hold Time 25°C IV 0 ns
Audio Pipeline Delay 25°C IV 75 μs
1
See Explanation of Test Levels section.
2
UI = unit interval.
Rev. B | Page 3 of 11
