u4091bm-r ATMEL Corporation, u4091bm-r Datasheet - Page 33

• 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
Offset
Mute switching matrix
Power-on Reset
VL = 0, V
Power-on reset by ES VB high,
VMP threshold
Power-on reset by ES VMP high,
VB threshold
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
Maximum 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
Note:
MP
MP
= 3.3V, V
= 3.3V, 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
MP
MP
MP
= 3.3V, V
= 3.3V, V
= 3.3V, V
M
B
B
= 68 nF, resonator: f = 3.58 MHz, all bits in reset condition, unless otherwise specified.
= 5V
= 3V
B
B
B
= 5V, U4091 in Power-down Mode
= 0V
= 0V
rms
, IVMIC = 0.3 mA, IMP = 3 mA, R
Test Conditions
I4O4: 1 to 0
I4O4 = 0
VB = 4V, ES = 4V,
raise VMP until RESET goes to low
VMP = 3V, ES = 4V,
raise VB until RESET goes to low
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
L
L
INLDR
L
INLDR
L
15 mA
15 mA, I
15 mA, I
i
i
= 14 mA, V
= 10 µA
= 0 µA
< V
< V
MP
MP
INLDT
INLDT
GEN
= 0 µA
= 10 µA
= 300 mV,
DC
= 1.3 M , T
amb
= 25°C, Z
Symbol
VMP
V
VLVR
VB
VLVI
G
AMREC
G
SA
on
T
on
ear
= 68 nF + 100 ,
0.8
2.35
2.65
–0.5
Min.
V
100
150
2.5
0.6
60
–1
–5
47
47
0
MP
2.75
2.45
Typ.
150
230
0.9
3.2
2.6
50
50
50
U4091BM-R
0.2
Max.
2.85
2.55
±30
V
350
2.7
1.2
+1
80
50
53
53
5
5
MP
Unit
mV
mV
mA
dB
k
µA
µA
dB
dB
dB
V
V
V
V
V
V
33