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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PCM1772, PCM1773
SLES010G – SEPTEMBER 2001 – REVISED MARCH 2007
TYPICAL PERFORMANCE CURVES (continued)
All specifications at T
= 25°C, V
A
CC1
otherwise noted.
SIGNAL-TO-NOISE RATIO
vs
SUPPLY VOLTAGE
104
102
100
98
96
94
92
1.2
1.6
2.0
2.4
2.8
V
– Supply Voltage – V
CC
Figure 7.
TOTAL HARMONIC DISTORTION + NOISE
vs
FREE-AIR TEMPERATURE
1.00
0.1
0.10
0.01
0.001
0.01
−40
−20
0
20
40
T
– Free-Air Temperature – C
A
Figure 9.
10
= V
= 2.4 V, f
= 44.1 kHz, system clock = 256 f
CC2
S
86
84
82
80
78
76
74
1.2
3.2
3.6
4.0
G007
102
101
100
99
98
97
96
95
94
60
80
100
−40
G009
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and 24-bit data, R
= 10 k , unless
S
L
CHANNEL SEPARATION
vs
SUPPLY VOLTAGE
1.6
2.0
2.4
2.8
3.2
3.6
V
– Supply Voltage – V
CC
Figure 8.
DYNAMIC RANGE
vs
FREE-AIR TEMPERATURE
−20
0
20
40
60
80
T
– Free-Air Temperature – C
A
Figure 10.
4.0
G008
100
G010