U4091BM TEMIC Semiconductors, U4091BM Datasheet - Page 24

• Manufacturer Part Number: U4091BM
• Description: Programmable Telephone Audio Processor
• Manufacturer: TEMIC Semiconductors

Electrical Characteristics (continued)
U4091BM
Low-voltage interrupt
VL = 0, V
VMP decreasing
Power-off reset
VL = 0, V
Low-voltage reset
Difference voltage
between low-voltage
interrupt and reset
Logical part
V
Output impedance at
OSCOUT
Pins SCL,
SDA (input mode)
Input leakage current
Pins INT,
SDA (output mode)
Switch for additional impedance (Pin IMPSW)
V
Switch-off leakage
current
Resistance to GND
Max. current
AFS acoustic feedback suppression, I
ERX = ETX = ENMIC = ENSTBAL = I1O1 = I3O3 = 1, SL[0:1] = 0, LF[0:3] = 1, P[0:4] = 31, AGARX[0:2] = 0
Adjustment range of
attenuation
Attenuation of transmit
gain
Attenuation of speaker
amplifier
Supply voltages, V
V
V
V
V
Ringing power converter, IMP = 1 mA, IM = 0
Maximum output
power
24 (29)
MP
MP
MP
MPS
MIC
B
= 3.3 V, V
= 3.3 V, V
Parameters
MP
MP
= 3.3 V, V
= 3.3 V, V
B
B
= 5 V
= 3 V
MIC
B
B
= 25 mV, T
I
Decrease VMP until INT
returns to high
Decrease VMP until RESET
returns to low
VLVI – VLVR
Low level
High level
0 < V
Output low
(resistance to GND)
0 < V
IMPSW = 0
IMPSW = 1
IMPSW = 1
I
I
I
I
I
I
I
I
I
I
V
ENSA = ENSAO = SE = 1
I
= 0 V
= 0 V
L
L
L
INLDR
INLDR
L
MP
L
MP
L
M
B
RING
= 14 mA, R
= 100 mA, R
= +20 mA, I
14 mA, R
= 700 A
Test Conditions / Pins
= 3 mA
= 0 mA
15 mA, I
15 mA
15 mA, I
i
i
< V
< V
= 20.6 V
= 10
= 0
amb
MP
MP
m
L
m
A
DC
INLDT
INLDT
A
Target Specification
= 14 mA, V
= – 10 to + 60 C
DC
L
DC
= 1.3 M
= 0 mA
= 680 k
= inf.,
= 10
= 0
m
W
m
A
W
GEN
A
R
= 300 mV,
IMPA
Symbol
VLVR
VLVI
V
V
D
V
G
P
V
MPS
MIC
G
SA
MP
SA
B
T
= 500 k
0.8 V
Min.
2.35
W
100
220
2.5
0.5
3.1
1.5
–1
–2
–5
48
48
0
MP
Typ.
2.45
150
310
2.6
3.3
5.5
30
50
50
20
0.2 V
Max.
2.55
400
2.7
1.0
3.5
5.7
6.3
50
50
52
52
1
2
5
4
MP
Rev. A1, 02-Jun-98
Unit
mW
mV
mA
k
m
m
dB
dB
dB
W
V
V
V
V
V
V
V
V
A
A
Fig.