Datasheet

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PCM1870
SLAS544A – MAY 2007 – REVISED SEPTEMBER 2007
ELECTRICAL CHARACTERISTICS (continued)
All specifications at T
A
= 25 ° C, V
DD
= V
IO
= V
CC
= V
PA
= 3.3 V, f
S
= 48 kHz, system clock = 256 f
S
, and 16-bit data, unless
otherwise noted
PCM1870RHF, PCM1870YZF
PARAMETER TEST CONDITIONS UNIT
MIN TYP MAX
FILTER CHARACTERISTICS
Decimation Filter for ADC
Pass band 0.408 f
S
Stop band 0.591 f
S
Pass-band ripple ± 0.02 dB
Stop-band attenuation f < 3.268 f
S
– 60 dB
Group delay 17/f
S
s
High-Pass Filter for ADC
– 3 dB 3.74
Frequency response (f
c
= 4 Hz) – 0.5 dB 10.66 Hz
– 0.1 dB 24.20
– 3 dB 118.77
Frequency response (f
c
= 120 Hz) – 0.5 dB 321.75 Hz
– 0.1 dB 605.52
– 3 dB 235.68
Frequency response (f
c
= 240 Hz) – 0.5 dB 609.95 Hz
– 0.1 dB 2601.2
POWER SUPPLY AND SUPPLY CURRENT
V
IO
V
IO
1.71 3.3 3.6
V
DD
Voltage range V
DD
1.71 3.3 3.6 VDC
V
CC
V
CC
2.4 3.3 3.6
BPZ input, all active, no load 8 12 mA
Supply current
All inputs are held static. 1 10 μ A
BPZ input 26.4 39.6 mW
Power dissipation
All inputs are held static. 3.3 33 μ W
TEMPERATURE CONDITION
Operation temperature – 40 85 ° C
θ
JA
Thermal resistance 35 ° C/W
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