Data Sheet
ADCMP551/ADCMP552/ADCMP553
Rev. A | Page 3 of 16
SPECIFICATIONS
VCCI = 3.3 V, VCCO = 3.3 V, TA = 25°C, unless otherwise noted.
Table 1. Electrical Characteristics
Parameter
Symbol
Conditions
Min
Typ
Max
Unit
DC INPUT CHARACTERISTICS
Input Voltage Range
0.2
VCCI – 2.0
V
Input Differential Voltage Range
3
+3
V
Input Offset Voltage
VOS
IN = 0 V, +IN = 0 V
10.0
±2.0
+10.0
mV
Input Offset Voltage Channel Matching
±1.0
mV
Offset Voltage Tempco
ΔVOS/dT
2.0
V/°C
Input Bias Current
IIN
IN = 0.2 V, +IN = +1.3 V
28.0
–6.0
+5.0
A
Input Bias Current Tempco
–5.0
nA/°C
Input Offset Current
3.0
±1.0
+3.0
A
Input Capacitance
CIN
1.0
pF
Input Resistance, Differential Mode
1800
kΩ
Input Resistance, Common Mode
1000
kΩ
Active Gain
AV
60
dB
Common-Mode Rejection Ratio
CMRR
VCM = 0.2 V to +1.3 V
76
dB
Hysteresis
RHYS = ∞
±0.5
mV
LATCH ENABLE CHARACTERISTICS
Latch Enable Voltage Range
VCCI – 1.8
VCCI – 0.8
V
Latch Enable Differential Voltage Range
0.4
1.0
V
Latch Enable Input High Current
@ VCCI – 0.8 V
150
+150
A
Latch Enable Input Low Current
@ VCCI – 1.8 V
150
+150
A
LE Voltage, Open
Latch inputs not connected
VCCI – 0.15
VCCI
V
LE Voltage, Open
Latch inputs not connected
VCCI/2 – 0.075
VCCI/2 + 0.075
V
Latch Setup Time
tS
VOD = 250 mV
100
ps
Latch Hold Time
tH
VOD = 250 mV
100
ps
Latch to Output Delay
tPLOH, tPLOL
VOD = 250 mV
450
ps
Latch Minimum Pulse Width
tPL
VOD = 250 mV
700
ps
DC OUTPUT CHARACTERISTICS
Output Voltage—High Level
VOH
PECL 50 Ω to VDD 2.0 V
VCCO 1.15
VCCO 0.78
V
Output Voltage—Low Level
VOL
PECL 50 Ω to VDD 2.0 V
VCCO 2.00
VCCO 1.54
V
AC OUTPUT CHARACTERISTICS
Rise Time
tR
10% to 90%
510
ps
Fall Time
tF
10% to 90%
490
ps
AC OUTPUT CHARACTERISTICS (ADCMP553)
Rise Time
tR
10% to 90%
440
ps
Fall Time
tF
10% to 90%
410
ps
AC PERFORMANCE
Propagation Delay
tPD
VOD = 1 V
500
ps
VOD = 20 mV
625
ps
Propagation Delay Tempco
ΔtPD/dT
VOD = 1 V
0.25
ps/°C
Prop Delay Skew—Rising Transition to
Falling Transition
VOD = 1 V
35
ps
Within Device Propagation Delay
Skew—Channel-to-Channel
VOD = 1 V
35
ps
Overdrive Dispersion
20 mV ≤ VOD ≤ 100 mV
75
ps
Overdrive Dispersion
50 mV ≤ VOD ≤ 1.0 V
75
ps
Slew Rate Dispersion
0.4 V/ns ≤ SR ≤ 1.33 V/ns
75
ps