lithic integrated circuits which feature six 24-bit audio
digital-to-analog converters, and support circuitry in a
small QFP-48 package. The digital-to-analog convert-
ers utilize Burr-Brown’s enhanced multi-level, delta-
sigma architecture, which employs 4th-order noise
shaping and 8-level amplitude quantization to achieve
excellent signal-to-noise performance, and a high tol-
erance to clock jitter.
The PCM1604 and PCM1605 accept industry-stan-
dard audio data formats with 16- to 24-bit audio data.
Sampling rates up to 200kHz are supported. A full set
of user-programmable functions are accessible through
a 4-wire serial control port which supports register
write and readback functions.
NOTE: (1) The PCM1604 and PCM1605 utilize the same die and are
electrically identical. All references to the PCM1604 apply equally to
the PCM1605.
International Airport Industrial Park • Mailing Address: PO Box 11400, Tucson, AZ 85734 • Street Address: 6730 S. Tucson Blvd., Tucson, AZ 85706 • Tel: (520) 746-1111
Pin 39 (SCKO). (4) Analog performance specifications are tested with Shibasoku #725 THD Meter 400Hz HPF, 30kHz LPF on, average mode with 20kHz
bandwidth limiting. The load connected to the analog output is 5kΩ or larger, AC-coupled. (5) SNR is tested with Infinite Zero Detection off. (6) SCKO is disabled.
Digital Input Voltage ........................................................... –0.2V to +5.5V
Digital Output Voltage
(1)
........................................... –0.2V to (V
DD
+ 0.2V)
Input Current (except power supply) ...............................................
±10mA
Power Dissipation .......................................................................... 650mW
Operating Temperature Range ......................................... –25°C to +85°C
Storage Temperature ...................................................... –55°C to +125°C
Lead Temperature (soldering, 5s) ................................................. +260°C
Package Temperature (IR reflow, 10s) .......................................... +235°C
NOTE: (1) Pin 33 (MDO) when output is disabled.
ELECTROSTATIC
DISCHARGE SENSITIVITY
This integrated circuit can be damaged by ESD. Burr-Brown
recommends that all integrated circuits be handled with
appropriate precautions. Failure to observe proper handling
and installation procedures can cause damage.
ESD damage can range from subtle performance degradation
to complete device failure. Precision integrated circuits may
be more susceptible to damage because very small parametric
changes could cause the device not to meet its published
specifications.
PACKAGE/ORDERING INFORMATION
PACKAGE
DRAWING
NUMBER
340
SPECIFIED
TEMPERATURE
RANGE
–25°C to +85°C
PACKAGE
MARKING
PCM1604Y
ORDERING
NUMBER
(1)
PCM1604Y
PCM1604Y/2K
PCM1605Y
PCM1605Y/1K
TRANSPORT
MEDIA
250-Piece Tray
Tape and Reel
84-Piece Tray
Tape and Reel
PRODUCT
PCM1604Y
PACKAGE
LQFP-48
"
PCM1605Y
"
MQFP-48
"
359
"
–25°C to +85°C
"
PCM1605Y
"
"
"
"
"
NOTE: (1) Models with a slash (/) are available only in Tape and Reel in the quantities indicated (e.g., /2K indicates 2000 devices per reel). Ordering 2000 pieces
of “PCM1604Y/2K” will get a single 2000-piece Tape and Reel.
The information provided herein is believed to be reliable; however, BURR-BROWN assumes no responsibility for inaccuracies or omissions. BURR-BROWN assumes
no responsibility for the use of this information, and all use of such information shall be entirely at the user’s own risk. Prices and specifications are subject to change
without notice. No patent rights or licenses to any of the circuits described herein are implied or granted to any third party. BURR-BROWN does not authorize or warrant
any BURR-BROWN product for use in life support devices and/or systems.
®
3
PCM1604, PCM1605
BLOCK DIAGRAM
DAC
BCK
LRCK
Audio
Serial
I/F
DAC
4x/8x
Oversampling
Digital Filter
with
Function
Controller
Output Amp and
Low-Pass Filter
V
OUT
1
DATA1
DATA2
DATA3
Output Amp and
Low-Pass Filter
V
OUT
2
Enhanced
Multi-level
Delta-Sigma
Modulator
DAC
Output Amp and
Low-Pass Filter
V
OUT
3
V
COM
1
V
COM
2
V
OUT
4
DAC
TEST
RST
ML
MC
MDI
MDO
Serial
Control
I/F
Output Amp and
Low-Pass Filter
DAC
Output Amp and
Low-Pass Filter
V
OUT
5
DAC
System Clock
System Clock
Manager
Output Amp and
Low-Pass Filter
V
OUT
6
SCKI
Zero Detect
Power Supply
AGND0
ZERO1/GPO1
ZERO2/GPO2
ZERO3/GPO3
ZERO4/GPO4
ZERO5/GPO5
PIN CONFIGURATION
ZEROA
Top View
ZERO6/GPO6
AGND1-6
ZEROA
DGND
AGND
V
CC
0
V
DD
V
CC
V
CC
1-6
SCKO
LQFP, MQFP
DATA3
DATA2
DATA1
DGND
SCKO
LRCK
TEST
SCKI
BCK
RST
V
DD
48
ZERO1/GPO1
ZERO2/GPO2
ZERO3/GPO3
ZERO4/GPO4
ZERO5/GPO5
ZERO6/GPO6
AGND
V
CC
V
OUT
6
1
2
3
4
5
6
7
8
9
47
46
45
44
43
42
41
40
39
38
37
36 ML
35 MC
34 MDI
33 MDO
32 NC
PCM1604
PCM1605
31 NC
30 V
CC
0
29 AGND0
28 V
CC
1
27 AGND1
26 V
CC
2
25 AGND2
V
OUT
5 10
V
OUT
4 11
V
OUT
3 12
13
V
OUT
2
14
V
OUT
1
15
V
COM
2
16
V
COM
1
17
AGND6
18
V
CC
6
19
AGND5
20
V
CC
5
21
AGND4
22
V
CC
4
23
AGND3
24
V
CC
3
®
PCM1604, PCM1605
4
PIN ASSIGNMENTS
PIN
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
NAME
ZERO1/GPO1
ZERO2/GPO2
ZERO3/GPO3
ZERO4/GPO4
ZERO5/GPO5
ZERO6/GPO6
AGND
V
CC
V
OUT
6
V
OUT
5
V
OUT
4
V
OUT
3
V
OUT
2
V
OUT
1
V
COM
2
V
COM
1
AGND6
V
CC
6
AGND5
V
CC
5
AGND4
V
CC
4
AGND3
V
CC
3
AGND2
V
CC
2
AGND1
V
CC
1
AGND0
V
CC
0
NC
NC
MDO
MDI
MC
ML
RST
SCKI
SCKO
BCK
LRCK
TEST
V
DD
DGND
DATA1
DATA2
DATA3
ZEROA
I/O
O
O
O
O
O
O
—
—
O
O
O
O
O
O
O
O
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
O
I
I
I
I
I
O
I
I
—
—
—
I
I
I
O
DESCRIPTION
Zero Data Flag for V
OUT
1. Can also be used as GPO pin.
Zero Data Flag for V
OUT
2. Can also be used as GPO pin.
Zero Data Flag for V
OUT
3. Can also be used as GPO pin.
Zero Data Flag for V
OUT
4. Can also be used as GPO pin.
Zero Data Flag for V
OUT
5. Can also be used as GPO pin.
Zero Data Flag for V
OUT
6. Can also be used as GPO pin.
Analog Ground
Analog Power Supply, +5V
Voltage Output for Audio Signal Corresponding to Rch on DATA3.
Voltage Output for Audio Signal Corresponding to Lch on DATA3.
Voltage Output for Audio Signal Corresponding to Rch on DATA2.
Voltage Output for Audio Signal Corresponding to Lch on DATA2.
Voltage Output for Audio Signal Corresponding to Rch on DATA1.
Voltage Output for Audio Signal Corresponding to Lch on DATA1.
Common Voltage Output. This pin should be bypassed with a 10µF capacitor to AGND.
Common Voltage Output. This pin should be bypassed with a 10µF capacitor to AGND.
Analog Ground
Analog Power Supply, +5V
Analog Ground
Analog Power Supply, +5V
Analog Ground
Analog Power Supply, +5V
Analog Ground
Analog Power Supply, +5V
Analog Ground
Analog Power Supply, +5V
Analog Ground
Analog Power Supply, +5V
Analog Ground
Analog Power Supply, +5V
No Connection. Must be open.
No Connection. Must be open.
Serial Data Output for Function Register Control Port
(3)
Serial Data Input for Function Register Control Port
(1)
Shift Clock for Function Register Control Port
(1)
Latch Enable for Function Register Control Port
(1)
System Reset, Active LOW
(1)
System Clock In. Input frequency is 128, 192, 256, 384, 512 or 768f
S
.
(2)
Buffered Clock Output. Output frequency is 128, 192, 256, 384, 512, or 768f
S
or one-half of 128, 192, 256, 384, 512,
or 768f
S.
Shift Clock Input for Serial Audio Data
(2)
Left and Right Clock Input. This clock is equal to the sampling rate, f
S
.
(2)
Test Pin. This pin should be connected to DGND.
(1)
Digital Power Supply, +3.3V
Digital Ground for +3.3V
Serial Audio Data Input for V
OUT
1 and V
OUT
2
(2)
Serial Audio Data Input for V
OUT
3 and V
OUT
4
(2)
Serial Audio Data Input for V
OUT
5 and V
OUT
6
(2)
Zero Data Flag. Logical “AND” of ZERO1 through ZERO6.
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DSP and ARM Processors
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