U4091BM TEMIC Semiconductors, U4091BM Datasheet - Page 22

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

Electrical Characteristics (continued)
U4091BM
Gain for DTMF signal
DTMF, I
Max. level at line
DTMF level at line
(low gain)
Pre-emphasis
Speaker amplifier, differential mode
AMPB
ENSACL = ENSA = ENSAO = ENAM = I4O2 = 1, SA[0:4] = 31
Minimum line current
for operation
Gain from AMPB to
SAO
Adjustment step
speaker amplifier
Output power single
ended
Max. output power
differential
Output noise
(input AMPB open)
psophometrically
weighted
Gain deviation
Mute suppression
Gain change with
current
Gain change with
frequency
Attack time of
anti-clipping
Release time of
anti-clipping
Adjustment step of
charge current
Adjustment step of
discharge current
22 (29)
Parameters
L
SAO1/2
= 14 mA, ETX = I201 = 1, AGATX[0:2] = 7, DTMFM[0:2] = 4, DTMFF[0:2] = 0
AMPB
EA[0:4] = 1
Sum level, 600
DTMFM[0:2] = 5
Sum level, 600
DTMFM[0:2] = 4
600
No AC signal
V
SA[0:4] = 31
SA[0:4] = 0
SA[0:4] = –1
Load resistance:
R
V
I
I
Load resistance:
R
V
V
I
I
T
I
V
I4O2 = 0
I
I
f = 1 kHz to 3.4 kHz
20 dB over drive
ENSAO = 0, SE = 1
D
ENSAO = 0, SE = 0
D
L
L
L
L
L
L
L
amb
AMPB
AMPB
AMPB
AMPB
L
L
B
LSCUR[0:1] = 1
LSCUR[0:1] = 1
= 15 mA
= 20 mA
> 15 mA
= 15 mA
= 15 mA, V
= 15 to 100 mA
= 15 mA
= 50 , d < 5%
= 50 , d < 5%
Test Conditions / Pins
= 5 V
W,
= –10 to +60 C
DTMFF4 = 0
= 3 mV, I
= 20 mV, SE = 1
= 20 mV, SE = 0
= 4 mV
DTMFF4 = 1
RECO1/2
Target Specification
L
W
W,
= 0 dBm,
L
,
= 15 mA,
Symbol
VSAO
D
D
D
I
G
P
P
P
n
Lmin
G
G
G
SA
SA
SA
SA
t
t
SA
r
f
SA
SA
SA
Min.
–480
–5.1
–7.6
320
1.3
37
–1
2
3
3
Typ.
–3.6
–6.1
–8.5
–16
200
400
400
2.5
3.5
1.5
38
20
80
7
5
Max.
–320
–2.1
–4.6
240
–60
480
1.7
39
3
4
8
1
0
1
Rev. A1, 02-Jun-98
m
V
dBm
dBm
dBm
dBm
dBm
Unit
mW
mW
mW
mA
dB
dB
dB
dB
dB
dB
ms
ms
m
m
psoph
A
A
Fig.