Datasheet

AD8122 Data Sheet
Rev. 0 | Page 4 of 20
Parameter Test Conditions/Comments Min Typ Max Unit
COMPARATORS
Output Voltage Level Low, V
OL
0.3 V
Output Voltage Level High, V
OH
3.3 V
Hysteresis, V
HYST
70 mV
Propagation Delay
Low to High, t
PD, LH
14 ns
High to Low, t
PD, HL
10 ns
Rise Time, t
RISE
8 ns
Fall Time, t
FAL L
7 ns
Output Resistance, V
OL
18 Ω
Output Resistance, V
OH
1 Ω
DIGITAL CONTROLS
COAX/
UTP
Pin
Input Voltage Level Low, V
IL
1.5 V
Input Voltage Level High, V
IH
3.5 V
Input Current, Low ±0.7 µA
Input Current, High 24 µA
PD
Pin
Input Voltage Level Low, V
IL
2.9
V
Input Voltage Level High, V
IH
3.2 V
Input Current, Low 1 µA
Input Current, High 1 µA
POWER SUPPLY
Operating Voltage Range ±4.5 ±5.5 V
Positive Quiescent Supply Current 120 mA
Negative Quiescent Supply Current 66 mA
Supply Current Drift, I
CC
210 µA/°C
Supply Current Drift, I
EE
−120 µA/°C
Positive Power Supply Rejection ΔV
OUT
/ΔV
SUPPLY
DC, RTO, 0 meters of cable, G = 1/G = 2 −72/−66 dB
DC, RTO, 300 meters of cable, G = 1/G = 2 −68/−62 dB
100 MHz, RTO, 300 meters of cable, G = 1/G = 2 5/8 dB
Negative Power Supply Rejection
ΔV
OUT
/ΔV
SUPPLY
DC, RTO, 0 meters of cable, G = 1/G = 2 −88/−80 dB
DC, RTO, 300 meters of cable, G = 1/G = 2 −80/−74 dB
100 MHz, RTO, 300 meters of cable, G = 1/G = 2 18/14 dB
Positive Supply Current, Powered Down V
PEAK
= V
GAIN
= V
FI LT E R
= 0 V 3.4 mA
Negative Supply Current, Powered Down V
PEAK
= V
GAIN
= V
FI LT E R
= 0 V 0.4 mA
OPERATING TEMPERATURE RANGE −40 +85 °C