ADAV4622
Rev. B | Page 4 of
28
SPECIFICATIONS
AVDD = 3.3 V, DVDD = 1.8 V, ODVDD = 3.3 V, operating temperature = −40°C to +85°C, master clock = 24.576 MHz, measurement
bandwidth = 20 Hz to 20 kHz, ADC input signal = DAC output signal = 1 kHz, unless otherwise noted.
PERFORMANCE PARAMETERS
Table 1.
Parameter Min
Typ
Max
Unit
Test
Conditions/Comments
SIF ADC INPUT SECTION
Analog Input Frequency Range
10
MHz
Recommended Analog Input Level
90 ± 18 dB
dBu
FM, AGC in PGA priority mode
Maximum Analog Input Range
1.6
V p-p
Default setting
Input Impedance
12
kΩ
PGA Gain = 0 dB
6
KΩ
PGA Gain = 10 dB
2.3
kΩ
PGA Gain = 20 dB
DC Bias Level
1.9
V
SIF Input Isolation
60
dB
SIF_IN1 to SIF_ IN2
FM Limiting Sensitivity
32
dBu
A2 (DK), Mono, deviation mode = 100%, f
FM
= 400 Hz,
Δf = 50 kHz, BW = 20 Hz to 15 kHz, rms detector
31
dBu
A2 (I), Mono, deviation mode = 100%, f
FM
= 400 Hz,
Δf = 50 kHz, BW = 20 Hz to 15 kHz, rms detector
31
dBu
A2 (BG), Mono, deviation mode = 100%, f
FM
= 400 Hz,
Δf = 50 kHz, BW = 20 Hz to 15 kHz, rms detector
34
dBu
BTSC (M, N), Mono, deviation mode = 100%,
f
FM
= 400 Hz, Δf = 25 kHz, BW = 20 Hz to 15 kHz,
rms detector
28.5
dBu
A2 (M), Mono, deviation mode = 100%, f
FM
= 400 Hz,
Δf = 25 kHz, BW = 20 Hz to 15 kHz, rms detector
30
dBu
EIAJ (M), Mono, deviation mode = 100%, f
FM
= 400 Hz,
Δf = 25 kHz, BW = 20 Hz to 15 kHz, rms detector
FM Output Level at 25% Deviation Mode
53.7
% FS
A2 (DK, I, BG), Mono, V
SIF
= 100 mV, f
FM
= 400 Hz,
Δf = 12.5 kHz, rms detector
53.6
% FS
BTSC (M, N), Mono, V
SIF
= 100 mV, f
FM
= 400 Hz,
Δf = 6.25 kHz, rms detector
56.3
% FS
A2 (M), Mono, V
SIF
= 100 mV, f
FM
= 400 Hz,
Δf = 6.25 kHz, rms detector
56.7
% FS
EIAJ (M), Mono, V
SIF
= 100 mV, f
FM
= 400 Hz,
Δf = 6.25 kHz, rms detector
FM Output Level at 50% Deviation Mode
53.7
% FS
A2 (DK, I, BG), Mono, V
SIF
= 100 mV, f
FM
= 400 Hz,
Δf = 25 kHz, rms detector
53.6
% FS
BTSC (M, N), Mono, V
SIF
= 100 mV, f
FM
= 400 Hz,
Δf = 12.5 kHz, rms detector
56.3
% FS
A2 (M), Mono, V
SIF
= 100 mV, f
FM
= 400 Hz,
Δf = 12.5 kHz, rms detector
56.7
% FS
EIAJ (M), Mono, V
SIF
= 100 mV, f
FM
= 400 Hz,
Δf = 12.5 kHz, rms detector
FM Output Level at 100% Deviation Mode
53.7
% FS
A2 (DK, I, BG), Mono, V
SIF
= 100 mV, f
FM
= 400 Hz,
Δf = 50 kHz, rms detector
53.6
% FS
BTSC (M, N), Mono, V
SIF
= 100 mV, f
FM
= 400 Hz,
Δf = 25 kHz, rms detector
56.3
% FS
A2 (M), Mono, V
SIF
= 100 mV, f
FM
= 400 Hz, Δf = 25 kHz,
rms detector
56.7
% FS
EIAJ (M), Mono, V
SIF
= 100 mV, f
FM
= 400 Hz, Δf = 25 kHz,
rms detector
FM Output Level at 200% Deviation Mode
53.7
% FS
A2 (DK, I, BG), Mono, V
SIF
=100 mV, f
FM
= 400 Hz,
Δf = 100 kHz, rms detector
53.6
% FS
BTSC (M, N), Mono, V
SIF
= 100 mV, f
FM
= 400 Hz,
Δf = 50 kHz, rms detector
56.3
% FS
A2 (M), Mono, V
SIF
= 100 mV, f
FM
= 400 Hz, Δf = 50 kHz,
rms detector
56.7
% FS
EIAJ (M), Mono, V
SIF
= 100 mV, f
FM
= 400 Hz, Δf = 50 kHz,
rms detector