u4091bm-r ATMEL Corporation, u4091bm-r Datasheet - Page 31

• Manufacturer Part Number: u4091bm-r
• Description: Programmable Telephone Audio Processor
• Manufacturer: ATMEL Corporation

18. Electrical Characteristics (Continued)
f = 1 kHz, 0 dBm = 775 mV
RLS = 50 , Z
4872A–CORD–08/05
Parameters
Distortion at low
operating current
Adjustment step: earpiece amplifier
Adjustment step: AGARX
Gain for DTMF signal
AC impedance
DTMF, I
DTMF level at line (mid gain)
DTMF level at line (low gain)
DTMF level at line (high gain)
Pre-emphasis
Speaker Amplifier, Differential Mode
AMPB
ENSACL = ENSA = ENSAO = ENAM = I4O2 = 1, SA[0:4] = 31,
ERX = ETX = ENMIC = ENSTBAL = I1O1 = I3O3 = 1
Minimum line current for operation
Gain from AMPB to SAO
Adjustment step speaker amplifier
Output power single ended
Maximum output power differential
Output noise
(input AMPB open)
psophometrically weighted
Gain deviation
Note:
L
1. This is a period of time the bus requires from the end of a data transmission and before a new transmission can be started
= 14 mA, ETX = I201 = 1, AGATX[0:2] = 7, DTMFM[0:2] = 4, DTMFF[0:4] = 0
SAO1/2
M
= 68 nF, resonator: f = 3.58 MHz, all bits in reset condition, unless otherwise specified.
rms
, IVMIC = 0.3 mA, IMP = 3 mA, R
Test Conditions
I
I
ENMIC = ETX = I101 = 0
DEA[0:4] = 1
for EA[0:4] = 2 to 31
DAGARX[0:2] = 1
AMPB
EA[0:4] = 1
IMPH = 0
IMPH = 1
Sum level, 600 ,
DTMFM[0:2] = 4
Sum level, 600 ,
DTMFM[0:2] = 5
Sum level, 600 ,
DTMFM[0:2] = 6
AGATX[0:2] = 1
600 W, DTMFF4 = 0
DTMFF4 = 1
ENAM = I4O2 = 0
SE = 0, I3O2 = 1
IMP 1 mA, V
V
SA[0:4] = 31
SA[0:4] = 0
DSA[0:4] = –1
Load resistance:
R
V
I
I
Load resistance:
R
V
V
I
I
T
L
M
L
L
L
L
amb
AMPB
AMPB
AMPB
B
LS
L
= 6.5 mA, I
= 15 mA
= 20 mA
> 15 mA
= 15 mA
= 300 µA, EA[0:4] = 15,
= 50
= 5V
= 50
= –10°C to +60°C
= 3 mV, I
= 40 mV, SE = 1
= 60 mV, SE = 0
RECO1/2
GEN
MP
L
= 1 mA
= 300 mV
= 15 mA,
DC
= 1.3 M , T
amb
= 25°C, Z
Symbol
Z
Z
I
G
P
P
P
n
dR
Lmin
G
imph
impl
SA
SA
SA
SA
SA
SA
ear
= 68 nF + 100 ,
–5.1
–7.6
–5.2
1.15
Min.
595
980
0.8
0.8
36
2
3
3
1030
–3.6
–6.1
–3.7
–5.5
1.35
Typ.
–10
625
150
2.5
3.5
37
20
1
1
7
U4091BM-R
1080
Max.
–2.1
–4.6
–2.2
1.55
655
240
1.2
1.2
±1
11
38
5
3
4
mV
dBm
dBm
dBm
dBm
dBm
mW
mW
mW
Unit
mA
dB
dB
dB
dB
dB
dB
%
psoph
31