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PCM78P Fiches technique(PDF) 2 Page - Burr-Brown (TI)

[Old version datasheet] Texas Instruments acquired Burr-Brown Corporation.
No de pièce PCM78P
Description  16-Bit Audio ANALOG-TO-DIGITAL CONVERTER
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Fabricant  BURR-BROWN [Burr-Brown (TI)]
Site Internet  http://www.burr-brown.com
Logo BURR-BROWN - Burr-Brown (TI)

PCM78P Fiches technique(HTML) 2 Page - Burr-Brown (TI)

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®
PCM78
2
SPECIFICATIONS
ELECTRICAL
At TC = +25°C, +VDD = +5V, and ±VCC = ±12V, and one minute warm-up in convection environment, unless otherwise noted.
PCM78P
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
RESOLUTION
16
Bits
INPUT/OUTPUT
ANALOG INPUT
Input Range
–3
+3
V
Input Impedance
1.5
k
DIGITAL INPUT/OUTPUT
Logic Family
TTL Compatible CMOS
Logic Level: VIH
IIH = +40µA
+2
+5.5
V
VIL
IIL = –100µA
0
+0.8
V
VOH
IOH = 2TTL Loads
+2.4
V
VOL
IOL = 2TTL Loads
+0.4
V
Data Format
Serial BOB or BTC
Convert Command
Negative Edge (1)
Pulse Width
25
50
ns
CONVERSION TIME
45
µs
DYNAMIC CHARACTERISTICS
SIGNAL-TO-NOISE RATIO (SNR)(2)
fS = 200kHz/TCONV = 4µs(3)
f = 1kHz (0dB)
BW = 20kHz
90
dB(4)
f = 10kHz (0dB)
BW = 100kHz
80
dB
TOTAL HARMONIC DISTORTION(5)
fS = 200kHz/TCONV = 4µs
f = 1kHz (0dB)
BW = 20kHz
–91
dB
f = 19kHz (0dB)
BW = 20kHz
–90
dB
f = 10kHz (0dB)
BW = 100kHz
–90
dB
f = 90kHz (0dB)
BW = 100kHz
–89
dB
TOTAL HARMONIC DISTORTION + NOISE(6)
fS = 200kHz/TCONV = 4µs
f = 1kHz (0dB)
BW = 20kHz
–88
–82
dB
f = 1kHz (–20dB)
BW = 20kHz
–74
–68
dB
f = 1kHz (–60dB)
BW = 20kHz
–34
dB
f = 19kHz (0dB)
BW = 20kHz
–87
dB
f = 10kHz (0dB)
BW = 100kHz
–82
dB
f = 90kHz (0dB)
BW = 100kHz
–81
dB
TRANSFER CHARACTERISTICS
ACCURACY
Gain Error
±2%
Bipolar Zero Error
±20
mV
Differential Linearity Error
±0.002
% of FSR(7)
Integral Linearity Error
±0.003
% of FSR
Missing Codes
None
14 Bits(8)
DRIFT
Gain
0
°C to +70°C
±25
ppm/
°C
Bipolar Zero
0
°C to +70°C
±4
ppm of FSR/
°C
POWER SUPPLY SENSITIVITY
+VCC
±0.008
%FSR/%VCC
–VCC
±0.003
%FSR/%VCC
+VDD
±0.003
%FSR/%VDD
POWER SUPPLY REQUIREMENTS
Voltage Range: +VCC
+4.75
+15.6
V
–VCC
– 4.75
–15.6
V
+VDD
+4.75
+5.25
V
Current:
+VCC
+VCC = +12V
+15
mA
–VCC
–VCC = –12V
–21
mA
+VDD
+VDD = +5V
+7
mA
Power Dissipation
±V
CC = ±12V
575
mW
TEMPERATURE RANGE
Specification
0
+70
°C
Storage
–50
+100
°C
Operating
–25
+85
°C
NOTES: (1) When convert command is high, converter is in a halt/reset mode. Actual conversion begins on negative edge. See detailed text on timing for convert
command description when using external clock. (2) Ratio of Noise rms/Signal rms. (3) f = input frequency; fS = sample frequency (PCM78P and SHC702 in
combination); BW = bandwidth of output (based on FFT or actual analog reconstruction using a 20kHz low-pass filter). (4) Referred to input signal level. (5) Ratio
of Distortion rms/Signal rms. (6) Ratio of Distortion rms + Noise rms/Signal rms. (7) FSR: Full-Scale Range = 6Vp-p. (8) Typically no missing Codes at 14-bit
resolution.


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