ICL-7107 Intersil, ICL-7107 Datasheet - Page 4

• Manufacturer Part Number: ICL-7107
• Description: 31/2 Digit/ LCD/LED Display/ A/D Converters
• Manufacturer: Intersil

Electrical Specifications
NOTES:
Typical Applications and Test Circuits
DISPLAY DRIVER ICL7107 ONLY
Segment Sinking Current
3. Dissipation rating assumes device is mounted with all leads soldered to printed circuit board.
4. Unless otherwise noted, specifications apply to both the ICL7106 and ICL7107 at T
5. Back plane drive is in phase with segment drive for ‘off’ segment, 180 degrees out of phase for ‘on’ segment. Frequency is 20 times
6. Not tested, guaranteed by design.
7. Sample Tested.
FIGURE 1. ICL7106 TEST CIRCUIT AND TYPICAL APPLICATION WITH LCD DISPLAY COMPONENTS SELECTED FOR 200mV
FIGURE 2. ICL7107 TEST CIRCUIT AND TYPICAL APPLICATION WITH LED DISPLAY COMPONENTS SELECTED FOR 200mV
(Except Pins 19 and 20)
Pin 19 Only
Pin 20 Only
circuit of Figure 1. ICL7107 is tested in the circuit of Figure 2.
conversion rate. Average DC component is less than 50mV.
FULL SCALE
FULL SCALE
PARAMETER
R
R
3
3
(Note 3) (Continued)
C
C
ICL7106, ICL7107, ICL7106S, ICL7107S
4
4
R
R
R
R
1
4
+5V
1
4
V+ = 5V, Segment Voltage = 3V
C
C
1
1
R
R
ICL7106
ICL7107
5
5
+
DISPLAY
+
DISPLAY
IN
C
IN
C
5
5
-
-
TEST CONDITIONS
C
C
2
2
+
R
R
2
2
9V
4
-
C
C
3
-5V
3
DISPLAY
DISPLAY
A
= 25
o
C, f CLOCK = 48kHz. ICL7106 is tested in the
MIN
10
5
4
TYP
16
8
7
C
C
C
C
C
R
R
R
R
R
MAX
C
C
C
C
C
R
R
R
R
R
1
2
3
4
5
1
2
3
4
5
1
2
3
4
5
1
2
3
4
5
-
-
-
= 0.1 F
= 0.47 F
= 0.22 F
= 100pF
= 0.02 F
= 24k
= 47k
= 100k
= 1k
= 1M
= 0.1 F
= 0.47 F
= 0.22 F
= 100pF
= 0.02 F
= 24k
= 47k
= 100k
= 1k
= 1M
UNIT
mA
mA
mA