DA9116.005
22 November, 2005
ANALOG CHARACTERISTICS
N
Analog Inputs/Outputs
(AVCC=+5.0 V, AVSS=0 V, TA=+25
o
C unless otherwise noted)
Parameter
Input Resistance
Input Capacitance
Input offset voltage
Symbol
RIN
CIN
VIH
Conditions
For any gain
For any gain
External OP277 amplifier,
Gain = 15.5 dB
Note 1
From AVCC
From AGND
From AVCC
Min
7
Typ
10
2
0.23
Max
13
1
Unit
k
Ω
pF
mV
Supply current
Supply current
Power supply
rejection ratio
1
IVCC
IGND
PSRR
2.5
2.5
80
5
5
mA
mA
dB
Note 1.
Output offset voltage depends on external opamp and selected gain. Low input offset voltage and input bias current opamp is
recommended to be used for minimum output offset. OP277 has excellent offset characteristics. Also OP1177 and AD8610 offer good
offset performance.
N
Gain Control
(AVCC=+5.0 V, AVSS=0 V, TA=+25
o
C unless otherwise noted)
Parameter
Gain range
Step size
Gain error
1
Gain match error
Mute attenuation
1
Symbol
G
D
DE
ME
MATT
Conditions
Min
-111.5
Typ
Max
+15.5
Unit
dB
dB
dB
dB
dB
0.5
Lowest gains guaranteed by design,
not tested in production.
Between channels
113
0.5
0.2
N
Audio Performance
Parameter
Noise
1
(AVCC=+5.0 V, AVSS=0 V, TA=+25
o
C unless otherwise noted)
Symbol
N
Total harmonic
distortion plus noise
Dynamic range
1
Crosstalk
1
THDN
Conditions
Vin=0
Vout with OP275,
A-weighting
-gain=0dB
-gain=-60dB
-gain=mute
Vin=6Vrms, gain=1,
Vout with OP275,
0…20kHz
Between channels,
gain=1, fin=1kHz
Min
Typ
Max
Unit
13
4
2.5
0.01
µVrms
%
DR
CR
120
-100
130
-110
dB
dB
1
Guaranteed by design
7 (18)
MAS [ MICRO ANALOG SYSTEMS ]
