U4082B Datasheet, PDF (14/30 Pages) ATMEL Corporation – Low-voltage Voice-switched IC for Hands-free Operation

5. Recommended Operating Conditions
Parameters
Supply voltage
CD input
MUTE input
Output current
Test Conditions
Pin 4
Pin 3
Pin 12
Pin 15
Volume control input
Pin 13
Attenuator input signal voltage
Microphone amplifier,
hybrid amplifier gain
Load current
Ambient temperature range
Pins 9, 21
At RECO, TO; pins 8, 22
At MICO; pin 10
At HTO–, HTO+; pins 6, 5
Symbol
V_S
I_B
VCI
T_amb
Min.
3.5
0
-
0.3 ×
V_B
0
0
0
0
0
–20
Typ.
Max.
6.5
V_S
500
V_B
350
40
±2.0
±1.0
±5.0
+60
Unit
V
V
µA
V
mVrms
dB
mA
°C
6. Electrical Characteristics
T_amb = +25°C, V_S = 5.0 V, CD ≤0.8 V, unless otherwise specified
Parameters
Test Conditions
Power Supply
Supply current
CD input resistance
CD input voltage
V_S = 6.5V, CD = 0.8V
V_S = 6.5V, CD = 2.0V
V_S = V_CD = 6.5V
High
Low
Output voltage
Output resistance
Power supply rejection ratio
Attenuators
V_S = 3.5V
V_S = 5.0V
I_VB = 1 mA
C_VB = 220 µF, f = 1 kHz
Receive attenuator gain
Gain change
AGC gain change
Idle mode
f = 1.0 kHz, V_CI = V_B
R mode, RI = 150 mVrms
(V_S = 5.0V)
(V_S = 3.5V)
V_S = 3.5V versus V_S = 5.0V
–V_S = 2.8V versus V_S = 5.0V
RI = 150 mVrms
Range R to T mode
Volume control range
RECO DC voltage
R Mode, 0.3 V_B < V_CI < V_B
R mode
RECO DC voltage
R to T mode
RECO high voltage
RECO low voltage
RI input resistance
I_O = –1 mA, RI = V_B + 1.5V
I_O = 1 mA, RI = V_B – 1V,
output measured with respect to V_B
RI < 350 mVrms
14 U4082B
Symbol
I_S
R_CD
V_CDH
V_CDL
V_B
R_OVB
PSRR
G_R
∆G_R1
∆G_R2
G_RI
∆G_R3
V_CR
V_RECO
∆V_RECO
V_RECOH
V_RECOL
R_RI
Min.
Typ.
Max.
Unit
5.5
8.0
mA
600.0 800.0
µA
50.0
90.0
kΩ
2.0
0.0
V_S
0.8
V
1.3
1.8
2.1
2.4
V
400.0
Ω
54.0
dB
+4.0
+6.0
+8.0
dB
–0.5
0.0
+0.5
–25.0 –15.0
–22.0 –20.0 –17.0
dB
49.0
52.0
54.0
27.0
35.0
dB
V_B
V
±10 ±150.0 mV
3.7
V
–1.5
–1.0
V
7.0
10.0
14.0
kΩ
4743D–CORD–03/06