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PCM1870 Datasheet(PDF) 10 Page - Texas Instruments

Part # PCM1870
Description  16-Bit Low-Power Stereo Audio ADC With Microphone Bias and Microphone Amplifier
PDF  52 Pages
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Manufacturer  TI2 [Texas Instruments]
Direct Link  https://www.ti.com
Logo TI2 - Texas Instruments

PCM1870 Datasheet(HTML) 10 Page - Texas Instruments

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PG3/PG4 Gain – dB
G009
40
50
60
70
85
90
100
0
5
15
10
20
25
30
Single Input
Differential Input
f
= 1 kHz
IN
PG3/PG4 Gain – dB
G010
40
45
65
60
55
50
70
75
80
85
90
0
5
15
10
20
25
30
Single Input
Differential Input
f
= 1 kHz
IN
Power Supply – V
G011
0.007
0.008
0.009
0.010
0.011
0.012
87
88
89
90
91
92
2
2.5
3.5
3
4
f
= 1 kHz
IN
THD+N
SNR
PCM1870
SLAS544A – MAY 2007 – REVISED SEPTEMBER 2007
TYPICAL PERFORMANCE CURVES (continued)
All specifications at TA = 25°C, VDD = VIO = VCC = VPA = 3.3 V, fS = 48 kHz, system clock = 256 fS and 16-bit data, unless
otherwise noted.
ADC SNR AT HIGH GAIN (PG1/PG2 = 0 dB)
ADC SNR AT HIGH GAIN (PG1/PG2 = 20 dB)
Figure 10.
Figure 11.
THD+N/SNR vs POWER SUPPLY
(ADC TO DIGITAL OUTPUT)
Figure 12.
10
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Copyright © 2007, Texas Instruments Incorporated
Product Folder Link(s): PCM1870



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