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PCM3052A Arkusz danych(PDF) 3 Page - Burr-Brown (TI)

[Old version datasheet] Texas Instruments acquired Burr-Brown Corporation.
Numer części PCM3052A
Szczegółowy opis  24-BIT, 96-kHz STEREO AUDIO CODEC WITH MICROPHONE AMPLIFIER, BIAS, MUXTIPLEXER, AND PGA
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Producent  BURR-BROWN [Burr-Brown (TI)]
Strona internetowa  http://www.burr-brown.com
Logo BURR-BROWN - Burr-Brown (TI)

PCM3052A Arkusz danych(HTML) 3 Page - Burr-Brown (TI)

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ELECTRICAL CHARACTERISTICS
PCM3052A
SLES160 – NOVEMBER 2005
All specifications at T
A = 25°C, VCC1 = VCC2 = VCC3 = 5 V, VDD = 3.3 V, fS = 48 kHz, SCKI = 256 fS, 24-bit data, unless
otherwise noted
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
DIGITAL INPUT/OUTPUT – DATA FORMAT
Audio data interface format
I2S
Audio data bit length
24
Bits
Audio data format
MSB-first, 2s complement
Sampling frequency, ADC
16
48
96
kHz
fS
Sampling frequency, DAC
16
48
96
kHz
System clock frequency
256 fS
4
25
MHz
INPUT LOGIC
VIH(1)
2
VDD
Input logic level
VDC
VIL(1)
0.8
VIH(2)(3)
2
5.5
Input logic level
VDC
VIL(2) (3)
0.8
IIH(2)
VIN = VDD
±10
Input logic current
µA
IIL(2)
VIN = 0 V
±10
IIH(1)(3)
VIN = VDD
65
100
Input logic current
µA
IIL(1) (3)
VIN = 0 V
±10
OUTPUT LOGIC
VOH(4)
IOUT = –4 mA
2.8
VDC
VOL(4)(5)
IOUT = 4 mA
0.5
Output logic level
VOH(6)
IOUT = –0.3 mA
4.5
VDC
VOL(6)
IOUT = 0.3 mA
0.5
MICROPHONE AMPLIFIER
Input level
Single-ended
1
15
mVrms
Gain
Single-ended
40
dB
Input resistance
Single-ended
5
6
k
Frequency response
–3 dB
20
kHz
SNR
1-kHz, 100-mVrms output
59
dB
THD+N
1-kHz, 1-Vrms output
–77
dB
MICROPHONE BIAS GENERATOR
0.75 VCC1
0.75 VCC1
Output voltage
IOUT = –1 mA
0.75 VCC1
V
– 0.15
+ 0.15
Output source current
1
mA
Output impedance
48
Output noise voltage
100 Hz–20 kHz, with 10-
µF
1.8
µVrms
decoupling
REFERENCE OUTPUT
0.5 VCC1
0.5 VCC1
Output voltage
IOUT = ±10 mA
0.5 VCC1
V
– 0.15
+ 0.15
Output source/sink current
10
mA
Output impedance
6
Output noise voltage
100 Hz–20 kHz, with 10-
µF
1.8
µVrms
decoupling
(1)
Pins 10, 11: LRCK, BCK (Schmitt-trigger input with 50-k
Ω typical internal pulldown resistor)
(2)
Pins 12, 17, 18, 19, 21: DIN, SCKI, SDA, SCL, I2CEN (Schmitt-trigger input, 5-V tolerant)
(3)
Pins 9, 20 : PDWN, ADR (Schmitt-trigger input with 50-k
Ω typical internal pulldown resistor, 5-V tolerant).
(4)
Pins 13, 14: DOUT, DOUTS
(5)
Pin 18: SDA (Open-drain LOW output)
(6)
Pin 3: L/M
3


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