The PCM1772 and PCM1773 devices are CMOS, monolithic, integrated circuits which include stereo digital-to-analog converters, lineout circuitry, and support circuitry in small TSSOP-16 and VQFN-20 packages

PCM1772

Manufacturer Part NumberPCM1772
DescriptionThe PCM1772 and PCM1773 devices are CMOS, monolithic, integrated circuits which include stereo digital-to-analog converters, lineout circuitry, and support circuitry in small TSSOP-16 and VQFN-20 packages
ManufacturerTexas Instruments
PCM1772 datasheet
 


Specifications of PCM1772

# Dacs2# Inputs / # Outputs0 / 2
ArchitectureMultilevel Delta-SigmaResolution(bits)24
Sampling Rate(max)(khz)48Control InterfaceSPI
Digital Audio InterfaceL,R,I2SThd+n(typ)(%)0.007
Dac Snr(typ)(db)98Power Consumption(typ)(mw)6.5
Operating Temperature Range(c)0 to 70Analog Voltage Av/dd(min)(v)1.6
Analog Voltage Av/dd(max)(v)3.6Pin/package16TSSOP, 20VQFN
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TYPICAL PERFORMANCE CURVES (continued)
All specifications at T
= 25°C, V
= V
A
CC1
otherwise noted.
De-Emphasis Curves
DE-EMPHASIS LEVEL
vs
FREQUENCY
0
−1
−2
−3
−4
−5
−6
−7
−8
−9
−10
0.0
0.1
0.2
0.3
f – Frequency [y f
Figure 3.
TOTAL HARMONIC DISTORTION + NOISE
vs
SUPPLY VOLTAGE
1.00
0.1
0.10
0.01
0.01
0.001
1.2
1.6
2.0
2.4
2.8
V
– Supply Voltage – V
CC
Figure 5.
= 2.4 V, f
= 44.1 kHz, system clock = 256 f
CC2
S
0.5
0.4
0.3
0.2
0.1
0.0
−0.1
−0.2
−0.3
−0.4
−0.5
0.4
0.5
0.6
0
]
S
G003
104
102
100
98
96
94
92
3.2
3.6
4.0
1.2
G005
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PCM1772, PCM1773
SLES010G – SEPTEMBER 2001 – REVISED MARCH 2007
and 24-bit data, R
= 10 k , unless
S
L
DE-EMPHASIS ERROR
vs
FREQUENCY
2
4
6
8
10
12
14
16
18
f – Frequency – kHz
Figure 4.
DYNAMIC RANGE
vs
SUPPLY VOLTAGE
1.6
2.0
2.4
2.8
3.2
3.6
V
– Supply Voltage – V
CC
Figure 6.
20
G004
4.0
G006
9