DA9116.005
22 November, 2005
ANALOG CHARACTERISTICS
N Analog Inputs/Outputs
(AVCC=+5.0 V, AVSS=0 V, TA=+25oC unless otherwise noted)
Parameter
Symbol
RIN
Conditions
For any gain
For any gain
Min
Typ
Max
Unit
Input Resistance
Input Capacitance
Input offset voltage
7
10
2
13
kΩ
pF
CIN
VIH
External OP277 amplifier,
Gain = 15.5 dB
Note 1
0.23
1
mV
Supply current
Supply current
Power supply
rejection ratio1
IVCC
IGND
PSRR
From AVCC
From AGND
From AVCC
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=+25oC unless otherwise noted)
Parameter
Gain range
Step size
Symbol
Conditions
Min
Typ
Max
Unit
dB
G
D
-111.5
+15.5
0.5
dB
Gain error1
DE
Lowest gains guaranteed by design,
not tested in production.
Between channels
0.5
0.2
dB
Gain match error1
Mute attenuation
ME
dB
dB
MATT
113
N Audio Performance
(AVCC=+5.0 V, AVSS=0 V, TA=+25oC unless otherwise noted)
Parameter
Noise1
Symbol
Conditions
Min
Typ
Max
Unit
N
Vin=0
Vout with OP275,
A-weighting
-gain=0dB
-gain=-60dB
-gain=mute
13
µVrms
4
2.5
0.01
Total harmonic
distortion plus noise
THDN
Vin=6Vrms, gain=1,
Vout with OP275,
0…20kHz
%
Dynamic range1
Crosstalk1
DR
CR
120
-100
130
-110
dB
dB
Between channels,
gain=1, fin=1kHz
1 Guaranteed by design
7 (18)
MAS [ MICRO ANALOG SYSTEMS ]
