PCM1870_16 Datasheet, PDF (8/54 Pages) Texas Instruments – Microphone Bias and Microphone Amplifier

PCM1870
SLAS544A – MAY 2007 – REVISED SEPTEMBER 2007
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TYPICAL PERFORMANCE CURVES (continued)
All specifications at T_A = 25°C, V_DD = V_IO = V_CC = V_PA = 3.3 V, f_S = 8 kHz to 48 kHz, system clock = 256 f_S and 16-bit data,
unless otherwise noted.
HIGH-PASS FILTER PASS-BAND CHARACTERISTICS
(f_C = 240 Hz at 48 kHz)
5
0
–5
–10
–15
–20
0
0.01
0.02
0.03
Frequency [´ f_S]
Figure 5.
0.04
G004
8
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