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DA9116.005

22 November, 2005

ANALOG CHARACTERISTICS

N Analog Inputs/Outputs

(AVCC=+5.0 V, AVSS=0 V, TA=+25

Parameter

Symbol

Conditions

Min

Typ

Max

Unit

Input Resistance

RIN

For any gain

7

10

13

k

Ω

Input Capacitance

CIN

For any gain

2

pF

Input offset voltage

VIH

External OP277 amplifier,

Gain = 15.5 dB

Note 1

0.23

1

mV

Supply current

Supply current

IVCC

IGND

From AVCC

From AGND

2.5

2.5

5

5

mA

mA

Power supply

rejection ratio

1

PSRR

From AVCC

80

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

Parameter

Symbol

Conditions

Min

Typ

Max

Unit

Gain range

G

-111.5

+15.5

dB

Step size

D

0.5

dB

Gain error

1

DE

Lowest gains guaranteed by design,

not tested in production.

0.5

dB

Gain match error

1

ME

Between channels

0.2

dB

Mute attenuation

MATT

113

dB

N Audio Performance

(AVCC=+5.0 V, AVSS=0 V, TA=+25

Parameter

Symbol

Conditions

Min

Typ

Max

Unit

Noise

1

N

Vin=0

Vout with OP275,

A-weighting

-gain=0dB

-gain=-60dB

-gain=mute

4

2.5

13

µ

Vrms

Total harmonic

distortion plus noise

THDN

Vin=6Vrms, gain=1,

Vout with OP275,

0…20kHz

0.01

%

Dynamic range

1

DR

120

130

dB

Crosstalk

1

CR

Between channels,

gain=1, fin=1kHz

-100

-110

dB