DA9191A.000
July 31, 1997
ELECTRICAL CHARACTERISTICS
◆ Analog outputs
(Ta=-40...85oC)
Parameter
Symbol
Conditions
Min
Typ
Max
Unit
Signal ground
AGND
VDD/2-
0.1V
VDD/2+
0.1V
V
Reference voltage
Vref
AGND
+1.2V
V
Earpiece output impedance*
Earpiece load resistance*
Earpiece series load capacitance*
External earpiece load resistance*
External earpiece load capacitance*
Earpiece amplifier gain
ZO
RL
CL
RL
CL
Avol
VO
VO
VO
VO
VO
500
120
Ω
1
kΩ
nF
30
kΩ
nF
dB
mVrms
mVrms
mVrms
mVrms
dB
1
3.26
1.26
Rx level
RX level 100mVrms
RX level 100mVrms
RX level 100mVrms
EXTMIC level 100mVrms
f = 697 … 941 Hz
f = 1209 … 1633 Hz
ETACS
200
70
155
200
Earpiece level non-differential*
Earpiece level differential*
TX level
DTMF signal levels at TX
-1
-1
131
123
470
+1
+1
163
152
612
SAT signal level at TX
VO
148
138
556
mVrms
AMPS
Data signal level at TX
(AMPS/ETACS)
VO
VO
VO
mVrms
mVrms
mVrms
ST signal level at TX
(AMPS/ETACS)
488
556
612
Data, ST, SAT level at TX
NAMPS, DTX mode off
NAMPS, DTX mode on
81
325
0.3V
93
373
105
421
VDD-
0.3
+0.95
+2.0
10
DACs, output level
VO
V
DACs, differential nonlinearity
DACs, integral nonlinearity
DACs, settling time*
DNL
INL
-0.95
-2.0
LSB
LSB
ms
Vdac ±1%
DACs, load resistance*
RL
CL
CL
30
kΩ
pF
nF
DACs, load capacitance*
OP AMPs, load capacitance*
* Guaranteed by design only.
80
1
6
MAS [ MICRO ANALOG SYSTEMS ]
