PCM3168A Datasheet, PDF (57/66 Pages) Texas Instruments – 24-Bit, 96-kHz/192-kHz, 6-In/8-Out Audio Codec with Differential Input/Output

PCM3168A
PCM3168A-Q1
www.ti.com ......................................................................................................................................................................................... SBAS452 – SEPTEMBER 2008
R₂
22 pF
Analog Input
(2 V_RMS)
10 mF ^R1
R₃
R₂
R₂
C₁
R₃
0.1 mF
VIN+
(1 V_RMS)
C₂
VIN-
(1 V_RMS)
VCOMAD
Amplifier is an NE5532A x1 or OPA2134 x1; R₁ = 3-kΩ resistor; R₂ = 1.5-kΩ resistor; R₃ = 47-Ω resistor; C₁ = 2200-pF capacitor; C₂ =
0.01-µF capacitor; Gain = 1; f_{–3 dB} = 48 kHz.
Figure 60. Single-Ended to Differential Buffer and Anti-Aliasing LPF for Differential ADC Input
Analog Input
(2 V_RMS)
10 mF ^R1
0.1 mF
R₂
C₁
R₃
VIN+
C₂
(1 V_RMS)
VIN-
C₂
VCOMAD
Amplifier is an NE5532A x1 or OPA2134 x1; R₁ = 3-kΩ resistor; R₂ = 1.5-kΩ resistor; R₃ = 47-Ω resistor; C₁ = 2200-pF capacitor; C₂ =
0.022-µF capacitor; Gain = 0.5; f_{–3 dB} = 48 kHz.
Figure 61. Buffer and Anti-Aliasing LPF for Single-Ended ADC Input
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