LT1684 Linear Technology, LT1684 Datasheet - Page 4

• Manufacturer Part Number: LT1684
• Description: Micropower Ring Tone Generator
• Manufacturer: Linear Technology

LT1684
TYPICAL PERFOR A CE CHARACTERISTICS
4
14.5
14.4
14.3
14.2
14.1
14.0
13.9
13.8
13.7
13.6
13.5
740
720
700
680
660
640
620
600
6.0
5.5
5.0
4.5
4.0
3.5
3.0
2.5
2.0
– 50
– 50
14
DC Supply Current vs V
V
Magnitudes vs Temperature
PWM Buffer (Pin BG
Limit vs Temperature
GATE
T
I
GATE
J
–25
–25
= 25 C
16
– V
= 1mA
ATREF
0
0
TEMPERATURE ( C)
TEMPERATURE ( C)
IN A – IN B 1.6V
IN A – IN B –1.6V
18
V
25
25
+
– V
Voltage
–
50
(V)
50
20
OUT
+
) Current
75
75
W
– V
22
–
100
100
1684 G01
1684 G07
U
1684 G04
125
125
24
0.85
0.80
0.75
0.70
0.65
0.60
0.55
0.50
0.45
710
690
670
650
630
610
590
570
550
250
225
200
175
150
125
100
– 50
–50
– 50
DC Supply Current vs Temperature
PWM Input Thresholds vs
Temperature
Output Amplifier Current Limit vs
Temperature (R
–25
–25
–25
IN A – IN B –1.6V
0
0
0
TEMPERATURE ( C)
TEMPERATURE ( C)
TEMPERATURE ( C)
25
25
25
LIM
IN A – IN B 1.6V
50
50
50
= 0 )
75
75
75
100
100
100
1684 G02
1684 G05
1684 G08
125
125
125
1.253
1.252
1.251
1.250
1.249
1.248
1.247
1.246
1.245
14.3
14.2
14.1
14.0
13.9
13.8
200
150
100
50
0
– 50
0.1
0
V
Magnitudes vs I
Output Amplifier Current Limit vs
External Limiting Resistor Values
V
GATE
BGOUT
T
1
J
–25
= 25 C
– V
2
0.3
Magnitude vs Temperature
MINIMUM (T
ATREF
0
TEMPERATURE ( C)
3
I
4
GATE
R
25
LIM
Voltage
GATE
1.0
5
(mA)
TYPICAL (T
J
( )
50
= 125 C)
6
7
75
3.0
J
= 25 C)
8
100
1684 G03
1684 G06
1684 G09
9
10.0
125
10