AS3502 Datasheet, PDF (25/29 Pages) ams AG – 13-BIT LINEAR FEATURE CODEC WITH ANALOGUE FRONTEND

AS3502
Receive Transmission Characteristics (-40°C<TA <+70°C, 3.0 V≤VDD≤4.5 V ; AGR = 0 dB; DGR = 0 dB; RL = 150Ω
from EP+ to EP-) unless otherwise specified.
Symbol Parameter
Conditions
Min. Typ.* Max. Units
GRA
Absolute Receive Gain
25 °C, Note 1
±0.3 dB
Trimming and Step Deviations Steps: 0dB, -6dB, -12dB
GRAT
Gain Variation with Temp.
±0.1
dB
GRAV
Gain Variation with Supply
±0.05 dB
GRAG
Gain Variation with Digital Gain -6 dB ≤ DGR ≤ 0 dB
±0.05 dB
DGR
Digital Gain Setting Range
See text for coefficient calculation
-6
0 dB
GTR
Gain Variation with Input Level 1020 Hz tone
-40 to +3 dBm0
±0.2 dB
-50 to -40 dBm0
±0.4 dB
-50 to -55 dBm0
±0.8 dB
GRAF
Receive Frequency Response Relative to gain @ 1020 Hz, -10dBm0
0 Hz to 2400 Hz
-0.2
0.2 dB
2400 Hz to 3000 Hz
-0.25
0.2 dB
3400 Hz
-0.8
0 dB
3400 Hz to 4000 Hz
Note 2 dB
SOS
Spurious Out-of Band Signals at 4.6 kHz @0 dBm0; 300 Hz ≤ f ≤3.4 kHz
-40 dBm0
the Output
8k Hz @-0 dBm0; 300 Hz ≤ f ≤3.4 kHz
-50 dBm0
PDR
Absolute Group Delay
0 dBm0 @ 800Hz
370
µs
DDR
Group Delay Distortion
Relative to minimum
500 Hz
0
µs
630 Hz
0
µs
800 Hz
0
µs
1000 Hz
10
µs
1250 Hz
20
µs
1600 Hz
30
µs
2100 Hz
60
µs
2500 Hz
110
µs
STDR
Signal to Distortion Ratio
f = 1020 Hz , Note 3
0 dBm0
50
dBp
-10 dBm0
50
dBp
-30 dBm0
36
dBp
-40 dBm0
31
dBp
- 45 dBm0
26
dBp
ICNR
Idle Channel Noise
PCM +0 Code; AGR = + 6 dB
-75 dBm0p
SFNR
Sampling Frequency. Noise
selectively measured @ 8 kHz;
-78 dBm0
AGR=+6 dB
PSRRR
Receive
VDD + 100 mVrms; PCM +0 Code
Power Supply Rejection Ratio
0 - 4 kHz
50
dBp
4 - 50 kHz
50
dB
CT TX->RX Transmit to Receive Crosstalk GR = -12 dB
75
dB
* Typical figures are at 25°C and are for design aid only; not guaranteed and not subject to production testing
Note 1:
Note 2:
The tolerance of the absolute level is defined by the trimming accuracy of the converter reference.
GRAF
=
13^{}sin
π(4000 −
1200
f
)
−
1^{}
Note 3:
Total distortion includes quantization and harmonic distortion.
REV. M
Page 25
September 1998