AD8598_15 Datasheet, PDF (2/11 Pages) Analog Devices – Dual 7 ns Single Supply Comparator

AD8598–SPECIFICATIONS
ELECTRICAL SPECIFICATIONS (@ V+ = +5.0 V, V– = V_GND = 0 V, T_A = +25؇C unless otherwise noted)
Parameter
Symbol Conditions
Min Typ Max Units
INPUT CHARACTERISTICS
Offset Voltage
Offset Voltage Drift
Input Bias Current
Input Offset Current
V_OS
∆V_OS/∆T
I_B
I_B
I_OS
–40°C ≤ T_A ≤ +85°C
V_CM = 0 V
–40°C ≤ T_A ≤ +85°C
V_CM = 0 V
2.3 7
8
4
–6 –3
–7 –3.5
±4
mV
mV
µV/°C
µA
µA
µA
Input Common-Mode Voltage Range V_CM
Common-Mode Rejection Ratio
CMRR
Large Signal Voltage Gain
A_VO
0 V ≤ V_CM ≤ +3.0 V
R_L = 10 kΩ
0.0
+3.0 V
65 85
dB
+3,000
V/V
OBSOLETE Input Capacitance
LATCH ENABLE INPUT
Logic “1” Voltage Threshold
Logic “0” Voltage Threshold
Logic “1” Current
Logic “0” Current
Latch Enable
Pulsewidth
Setup Time
Hold Time
DIGITAL OUTPUTS
Logic “1” Voltage
Logic “1” Voltage
Logic “0” Voltage
DYNAMIC PERFORMANCE␣
Propagation Delay
C_IN
V_IH
V_IL
I_IH
I_IL
t_PW(E)
t_S
t_H
V_OH
V_OH
V_OL
t_P
3.0
pF
V_LH = +3.0 V
V_LL = +0.3 V
+2.0 +1.65
V
+1.60 +0.8 V
–1.0 –0.3
µA
–4 –2
µA
6
ns
1
ns
1.2
ns
I_OH = –50 µA, ∆V_IN > 250 mV
I_OH = –3.2 mA, ∆V_IN > 250 mV
I_OL = 3.2 mA, ∆V_IN > 250 mV
+3.5
V
+2.4 +3.5
V
+0.25 +0.4 V
200 mV Step with 100 mV Overdrive
6.75 9.8
ns
–40°C ≤ T_A ≤ +85°C
8
13
ns
Propagation Delay
t_P
100 mV Step with 5 mV Overdrive
8
ns
Differential Propagation Delay
(Rising Propagation Delay vs.
Falling Propagation Delay)
∆t_P
100 mV Step with 100 mV Overdrive¹
0.5 2.0
ns
Rise Time
20% to 80%
3.8
ns
Fall Time
80% to 20%
1.5
ns
POWER SUPPLY␣
Power Supply Rejection Ratio
Positive Supply Current (V+ Pin)
PSRR
I+
Ground Supply Current (GND Pins) I_GND
Analog Supply Current (V– Pin)
I–
+4.5 V ≤ V+ ≤ +5.5 V
–40°C ≤ T_A ≤ +85°C
V_O = 0 V, R_L = ∞
–40°C ≤ T_A ≤ +85°C
–40°C ≤ T_A ≤ +85°C
50 65
dB
9.0 12.0 mA
15.0 mA
4.4 6.6
mA
7.6
mA
4.6 9.0
mA
11.0 mA
NOTES
1_{Guaranteed by design.}
Specifications subject to change without notice.
–2–
REV. A