Datasheet

LTC6993-1/LTC6993-2
LTC6993-3/LTC6993-4
4
69931234fb
ELECTRICAL CHARACTERISTICS
The l denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at T
A
= 25°C. Test conditions are V
+
= 2.25V to 5.5V, TRIG = 0V, DIVCODE = 0 to 15
(N
DIV
= 1 to 2
21
), R
SET
= 50k to 800k, R
LOAD
= 5k, C
LOAD
= 5pF unless otherwise noted.
SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
Pulse Width Jitter (Note 10) N
DIV
= 1 V
+
= 5.5V
V
+
= 2.25V
0.85
0.45
%
P-P
%
P-P
N
DIV
= 8 0.20 %
P-P
N
DIV
= 64 0.05 %
P-P
N
DIV
= 512 0.20 %
P-P
N
DIV
= 4096 0.03 %
P-P
t
S
Pulse Width Change Settling Time (Note 9) t
MASTER
= t
OUT
/N
DIV
6 • t
MASTER
µs
Power Supply
V
+
Operating Supply Voltage Range
l
2.25 5.5 V
Power-On Reset Voltage
l
1.95 V
I
S(IDLE)
Supply Current (Idle) R
L
= ∞, R
SET
= 50k, N
DIV
≤ 64 V
+
= 5.5V
V
+
= 2.25V
l
l
165
125
200
160
µA
µA
R
L
= ∞, R
SET
= 50k, N
DIV
≥ 512 V
+
= 5.5V
V
+
= 2.25V
l
l
135
105
175
140
µA
µA
R
L
= ∞, R
SET
= 800k, N
DIV
≤ 64 V
+
= 5.5V
V
+
= 2.25V
l
l
70
60
110
95
µA
µA
R
L
= ∞, R
SET
= 800k, N
DIV
≥ 512 V
+
= 5.5V
V
+
= 2.25V
l
l
65
55
100
90
µA
µA
Analog Inputs
V
SET
Voltage at SET Pin
l
0.97 1.00 1.03 V
∆V
SET
/∆T
V
SET
Drift Over Temperature
l
±75 µV/°C
R
SET
Frequency-Setting Resistor
l
50 800 kΩ
V
DIV
DIV Pin Voltage
l
0 V
+
V
∆V
DIV
/∆V
+
DIV Pin Valid Code Range (Note 5) Deviation from Ideal
V
DIV
/V
+
= (DIVCODE + 0.5)/16
l
±1.5 %
DIV Pin Input Current
l
±10 nA
Digital I/O
TRIG Pin
Input Capacitance 2.5 pF
TRIG Pin Input Current TRIG = 0V to V
+
±10 nA
V
IH
High Level TRIG Pin Input Voltage (Note 6)
l
0.7 • V
+
V
V
IL
Low Level TRIG Pin Input Voltage (Note 6)
l
0.3 • V
+
V
I
OUT(MAX)
Output Current V
+
= 2.7V to 5.5V ±20 mA
V
OH
High Level Output Voltage (Note 7) V
+
= 5.5V I
OUT
= –1mA
I
OUT
= –16mA
l
l
5.45
4.84
5.48
5.15
V
V
V
+
= 5.5V I
OUT
= –1mA
I
OUT
= –16mA
l
l
3.24
2.75
3.27
2.99
V
V
V
+
= 2.25V I
OUT
= –1mA
I
OUT
= –8mA
l
l
2.17
1.58
2.21
1.88
V
V
V
OL
Low Level Output Voltage (Note 7) V
+
= 5.5V I
OUT
= 1mA
I
OUT
= 16mA
l
l
0.02
0.26
0.04
0.54
V
V
V
+
= 3.3V I
OUT
= 1mA
I
OUT
= 10mA
l
l
0.03
0.22
0.05
0.46
V
V
V
+
= 2.25V I
OUT
= 1mA
I
OUT
= 8mA
l
l
0.03
0.26
0.07
0.54
V
V