U4091BM-N Datasheet, PDF (34/38 Pages) ATMEL Corporation – PROGRAMMABLE TELEPHONE AUDIO PROCESSOR

Electrical Characteristics (Continued)
f = 1 kHz, 0 dBm = 775 mV_rms, IVMIC = 0.3 mA, IMP = 3 mA, R_DC = 1.3 MΩ, T_amb = 25°C, Z_ear = 68 nF + 100 Ω,
RLS = 50 Ω, Z_M = 68 nF, resonator: f = 3.58 MHz, all bits in reset condition, unless otherwise specified.
Parameters
Test Conditions
Symbol
Min.
Typ.
Max.
Unit
Supply Voltages, V_MIC = 25 mV, T_amb = - 10 to + 60° C
V_MP
I_L = 14 mA, R_DC = 680 kΩ
I_MP = 3 mA
V_MPS
I_L = 100 mA, R_DC = inf.,
I_MP = 0 mA
V_MIC
I_L = 14 mA, R_DC = 1.3 MΩ
I_M = 700 A
V_B
I_B = +20 mA, I_L = 0 mA
Ringing Power Converter, IMP = 1 mA, IM = 0 R_IMPA = 500 kΩ
Maximum output power
V_RING = 20.6 V
ENSA = ENSAO = SE = 1
V_MP
V_MPS
V_MIC
V_B
P_SA
3.1
3.3
3.5
V
5.5
V
1.5
4
V
5.5
6.3
V
15
mW
Threshold
V_RING: high to low
low to high, RINGTH [0:3] = 0
7.4
V
6.0
6.7
7.4
V
low to high, RINGTH [0:3] = 15
19
21
23
V
Adjustment steps threshold
DRINGTH = 1
0.8
1
1.2
V
Input impedance
Maximum input voltage
V_RING = 30 V
Serial Bus SCL, SDA, AS, VMP = 3.3 V, RSDA = RSCL = RINT = 12 kΩ
4.6
5.8
7.0
kΩ
V_RINGmax
30
V
Input voltage
HIGH
LOW
SDA, SCL, INT
V_iBUS
3.0
0
V_DD
V
1.5
V
Output voltage
Acknowledge LOW
Clock frequency
Rise time SDA, SCL
Fall time SDA, SCL
Period of SCL
HIGH
LOW
Setup Time
SDA
I_SDA = 3 mA
SCL
HIGH
LOW
V_O
f_SCL
t_r
t_f
t_H
4.0
t_L
4.7
0.4
V
100
kHz
1
µs
300
ns
µs
µs
Start condition
Data
Stop condition
Time space⁽¹⁾
Hold Time
t_sSTA
4.7
µs
t_sDAT
250
ns
t_sSTOP
4.7
µs
t_wSTA
4.7
µs
Start condition
DATA
t_hSTA
4.0
µs
t_hDAT
0
µs
Note: 1. This is a space of time where the bus must be from data transmission and before a new transmission can be started
34 U4091BM-N
4666B–CORD–08/04