u4091bm-r ATMEL Corporation, u4091bm-r Datasheet - Page 30

• 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
30
Parameters
Noise at line psophometrically
weighted
Anti-clipping
attack time
release time
Gain at low operating current
Distortion at low operating current
Receiving Amplifier
I
ERX = ETX = ENMIC = ENSTBAL = I1O1 = I3O3 = 1, SL[0:1] = 0, LF[0:3] = 1, P[0:4] = 31, AFS[0:5] = 54, AGARX[0:2] = 0
Adjustment range of
receiving gain
Receiving amplification
Frequency response
Gain change with current
Gain deviation
Ear protection differential
MUTE suppression
(earpiece disconnect from matrix)
Output voltage
d < 2% differential
Maximum output
current d < 2%
Receiving noise
psophometrically weighted
Sidetone suppression
Output resistance
Gain at low operating
current (receive only)
Note:
L
= 14 mA, V
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
U4091BM-R
M
GEN
= 68 nF, resonator: f = 3.58 MHz, all bits in reset condition, unless otherwise specified.
= 300 mV,
rms
, IVMIC = 0.3 mA, IMP = 3 mA, R
Test Conditions
I
AGATX[0:2] = 7
CTXA = 1 µF
each 3 dB overdrive
I
V
I
I
V
I
Single ended,
I
EA[0:4] = 2 to 31
AGARX[0:2] = 0 to 7
Differential
AGARX[0:2] = 0
EA[0:4] = 15
EA[0:4] = 31
I
I
T
I
V
EA[0:4] = 15
I
I
Z
EA[0:4] = 11
Z
EA[0:4] = 31
I
Z
EA[0:4] = 15
Z = 600
Each output against GND
I
I
V
EA[0:4] = 21,
ENMIC = ETX = I101 = 0
L
L
VMIC
L
VMIC
L
L
L
L
L
L
L
L
M
amb
ear
ear
ear
MIC
MIC
GEN
GEN
= 8 mA, I
= 8 mA, I
= 14 mA to 100 mA
= 14 mA, I303 = 0
= 14 mA
= 14 mA
= 6.5 mA, I
= 300 mA
14 mA, MICG[0:1] = 2
14 mA, Mute = 1,
14 mA, f = 1 kHz to 3.4 kHz
14 mA,
= 68 nF + 100
= 100
= 68 nF + 100
= –10°C to +60°C
= 0.5 mV
= 5 mV
= 300 µA
= 300 µA
= 11 V
= 200 mV
MP
MP
rms
MP
= 1 mA
= 1 mA
= 1 mA
DC
= 1.3 M , T
amb
= 25°C, Z
Symbol
No
G
G
EP
I
G
G
G
R
d
t
G
G
G
out
t
a
r
R
R
o
R
T
t
RF
R
R
R
ear
= 68 nF + 100 ,
0.775
14.7
Min.
–19
45
–1
–1
60
20
–2
4
15.7
Typ.
–73
–79
80
2
0
0
Max.
16.7
±0.5
±0.5
–70
+17
–76
48
10
4872A–CORD–08/05
5
1
0
3
2
dBmp
dBmp
mA
V
V
Unit
ms
ms
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
%
rms
rms
p