U4037B Datasheet, PDF (5/6 Pages) TEMIC Semiconductors – LOW VOLTAGE SPEECH CIRCUIT WITH TONE RINGER INTERFACE

U4037B
Electrical Characteristics of Tone Ringer Interface
Parameters
Test Conditions / Pin Symbol Min
Typ
Max
Unit
Supply current,
outputs open
V_RING = 14 V
I_S
1.5
2.0
2.5
mA
Switch-on threshold
11
V
Switch-off threshold
6.5
V
Volume adjustment range
VOI1
VOI2
40
dB(A)
Supply voltage for MCU I_DD < 1 mA
3.2
V
Ordering Information
U4037B
Type
SO24
Package
Package Information
Package SO24
Dimensions in mm
15.5
9.25
15.3
8.75
2.7
2.45
0.49
0.35
1.27
13.97
2.45
2.25
0.3
0.2
0.1 min
7.5
7.3
10.55
10.15
technical drawings
according to DIN
specifications
95 11492
TELEFUNKEN Semiconductors
5 (6)
Rev. A1, 08-Oct-96
Preliminary Information