Burr Brown PCM69AP, PCM69AP-J, PCM69AP-K, PCM69AU, PCM69AU-J Datasheet
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PCM67P/U |
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PCM69AP/AU |
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Advanced 1-Bit BiCMOS Dual 18-Bit
DIGITAL-TO-ANALOG CONVERTER
FEATURES
●18-BIT RESOLUTION DUAL AUDIO DAC
●EXCELLENT THD PERFORMANCE: 0.0025% (–92dB) at F/S, K Grade 1.0% (–40dB) at –60dB, K Grade
●HIGH S/N RATIO: 110dB typ (IHF-A)
●DUAL, CO-PHASE
●SINGLE SUPPLY +5V OPERATION
●LOW POWER: 75mW typical
●CAPABLE OF 16X OVERSAMPLING
●AVAILABLE IN SPACE SAVING 16-PIN DIP OR 20-PIN SOIC
●OPERATING TEMP RANGE: –25°C to +85°C
●EXTREMELY LOW GLITCH ENERGY
Reference
Servo
Digital Signal In
Input
Interface
DESCRIPTION
The PCM67 and PCM69A dual 18-bit DAC are low cost, dual output 18-bit BiCMOS digital-to-analog converters utilizing a novel architecture to achieve excellent low level performance.
By combining a conventional thin-film R-2R ladder DAC, a digital offset technique with analog correction and an advanced one-bit DAC using first order noise shaping technique, the PCM67 and PCM69A achieve high resolution, minimal glitch, and low zero-crossing distortion.
PCM67 digital offset occurs at bit 9, making it ideal for high-performance CD players. PCM69A digital offset occurs at bit 4, making it an excellent choice for digital musical instruments and audio DSP.
Both PCM67 and PCM69A operate from a single +5V supply. The low power consumption and small size (16pin PDIP or 20-pin SOIC) make these converters ideal for a variety of digital audio applications.
10-Bit DAC plus Analog Correction
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Analog Output Lch |
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Advanced 1-Bit |
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VCOM |
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DAC |
Buffer |
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Lch |
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10-Bit DAC plus |
Buffer |
VCOM |
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Rch |
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Analog Correction |
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Analog Output Rch |
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Advanced 1-Bit |
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DAC |
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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 • Twx: 910-952-1111 • Cable: BBRCORP • |
Telex: 066-6491 • |
FAX: (520) 889-1510 • Immediate Product Info: (800) 548-6132 |
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© 1992 Burr-Brown Corporation |
PDS-1168A |
Printed in U.S.A. August, 1993 |
SPECIFICATIONS
ELECTRICAL
All specifications at +25°C and +VA, +VD = +5V unless otherwise noted
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PCM67/69A |
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PARAMETER |
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CONDITIONS |
MIN |
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TYP |
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MAX |
UNITS |
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RESOLUTION |
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18 |
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Bits |
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DYNAMIC RANGE, THD+N at –60dB Referred |
to Full Scale |
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106 |
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dB |
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DIGITAL INPUT |
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Logic Family |
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IIH = ±5μA |
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TTL/CMOS Compatible |
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Logic Level: VIH |
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+2 |
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+VD |
V |
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VIL |
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IIL = ±5μA |
0 |
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0.8 |
V |
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Serial, MSB First, BTC(1) |
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Data Format |
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Input System Clock Frequency |
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16.9344 |
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MHz |
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TOTAL HARMONIC DISTORTION + N(2,3,4) |
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PCM67P/69AP, PCM67U/69AU |
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f = 991Hz (0dB) |
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fS = 352.8kHz |
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–86 |
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–82 |
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f = 991Hz (–20dB) |
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fS = 352.8kHz |
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–68 |
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dB |
f = 991Hz (–60dB) |
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fS = 352.8kHz |
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–40 |
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–34 |
dB |
PCM67P-J/69AP-J, PCM67U-J/69AU-J |
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f = 991Hz (0dB) |
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fS = 352.8kHz |
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–91 |
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–88 |
dB |
f = 991Hz (–20dB) |
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fS = 352.8kHz |
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–72 |
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dB |
f = 991Hz (–60dB) |
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fS = 352.8kHz |
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–46 |
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–40 |
dB |
PCM67P-K/69AP-K, PCM67U-K/69AU-K |
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f = 991Hz (0dB) |
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fS = 352.8kHz |
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–95 |
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–92 |
dB |
f = 991Hz (–20dB) |
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fS = 352.8kHz |
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–74 |
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dB |
f = 991Hz (–60dB) |
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fS = 352.8kHz |
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–46 |
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–40 |
dB |
CHANNEL SEPARATION |
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(f = 1kHz) |
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106 |
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dB |
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ACCURACY |
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±1 |
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Level Linearity |
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at –90dB Signal Level |
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Gain Error |
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±3 |
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±10 |
% |
Gain Mismatch, Channel-to-Channel |
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0°C to +70°C |
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±1 |
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±5 |
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Gain Drift |
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95 |
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ppm/°C |
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Warm-up Time |
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1 |
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Minute |
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IDLE CHANNEL SNR(5) |
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20Hz to 40kHz at BPZ(6) |
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110 |
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dB |
ANALOG OUTPUT |
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Output Range (±3%) |
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1.2 |
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mA |
Output Impedance (±30%) |
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1.8 |
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kΩ |
VCOM |
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3.35 |
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3.50 |
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3.65 |
V |
Glitch Energy |
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No Glitch Around Zero |
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POWER SUPPLY REQUIREMENTS, System |
Clock = 16.9344MHz |
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+VA, +VD Supply Voltage Range |
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+VA = +VD |
+4.75 |
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+5.00 |
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+5.25 |
V |
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+IA, +ID Combined Supply Current |
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+VA, +VD = +5V |
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15 |
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20 |
mA |
Power Dissipation |
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+VA, +VD = +5V |
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75 |
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105 |
mW |
TEMPERATURE RANGE |
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°C |
Operating |
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–25 |
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+85 |
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Storage |
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–55 |
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+100 |
°C |
NOTES: (1) Binary Two’s Complement coding. (2) Ratio of (DistortionRMS + NoiseRMS)/SignalRMS. (3) D/A converter output frequency/signal level (both left and right channels are “on”). (4) D/A converter sample frequency (8 x 44.1kHz; 8X oversampling per channel). (5) Ratio of NoiseRMS/SignalRMS. Measured using a 40kHz 3rd-order GIC (Generalized Immittance Converter) filter and an A-weighted filter. (6) Bipolar Zero.
USA OEM PRICES
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.
®
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PCM67/69A |
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PIN ASSIGNMENTS
PCM67P |
PCM67U |
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PCM69AP |
PCM69AU |
DESCRIPTION |
MNEMONIC |
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1 |
1 |
+5V Analog Supply Voltage |
+VA |
2 |
2 |
Left Voltage Common |
LVCOM |
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3 |
No Connection |
NC |
3 |
4 |
Left Current Output (0 to 1.2mA) |
LIOUT |
4 |
5 |
Servo Decoupling Capacitor |
SRVCAP |
5 |
6 |
Reference Decoupling Capacitor |
REFCAP |
6 |
7 |
Right Current Output (0 to 1.2mA) |
RIOUT |
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No Connection |
NC |
7 |
9 |
Right Voltage Common |
RVCOM |
8 |
10 |
Analog Common |
ACOM |
9 |
11 |
Digital Common |
DCOM |
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12 |
Mode Control 2 |
MC2 |
10 |
13 |
Right Data Input |
RDATA |
11 |
14 |
Bit Clock |
BTCK |
12 |
15 |
System Clock |
SYSCK |
13 |
16 |
Word Clock |
WDCK |
14 |
17 |
Left Data Input |
LDATA |
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18 |
Mode Control 3 |
MC3 |
15 |
19 |
Mode Control 1 |
MC1 |
16 |
20 |
+5V Digital Supply Voltage |
+VD |
PACKAGE INFORMATION
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PACKAGE DRAWING |
MODEL |
PACKAGE |
NUMBER(1) |
PCM67P/69AP |
16-Pin Plastic DIP |
180 |
PCM67U/69AU |
20-Pin SOIC |
248 |
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NOTE: (1) For detailed drawing and dimension table, please see end of data sheet, or Appendix D of Burr-Brown IC Data Book.
ABSOLUTE MAXIMUM RATINGS
+VA, +VD to ACOM, DCOM |
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0V to +6.5V |
ACOM to DCOM ............................................................................... |
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±0.5V |
Digital Inputs to DCOM ............................................ |
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–0.3V to +VD + 0.3V |
Power Dissipation ................ |
300mW (U Package), 500mW (P Package) |
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Lead Temperature, (soldering, ..............................................10s) |
+260°C |
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Max Junction Temperature ............................................................ |
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+165°C |
NOTE: Stresses above those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. Exposure to absolute maximum conditions for extended periods may affect device reliability.
ELECTROSTATIC DISCHARGE SENSITIVITY
Electrostatic discharge can cause damage ranging from performance degradation to complete device failure. Burr-Brown Corporation recommends that all integrated circuits be handled and stored using appropriate ESD protection methods.
®
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PCM67/69A |
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PIN CONFIGURATION — PCM67P/69AP (16-Pin DIP)
Data-L
WDCK
SYS CLOCK
BCK
Data-R
1μF
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16 |
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15 |
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14 |
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13 |
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12 |
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11 |
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10 |
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9 |
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PCM67P/69AP |
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+VCC |
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1 |
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6 |
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(+5V) |
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10μF |
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3.3µF |
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3.3µF |
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RNF |
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RNF |
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10µF |
Lch |
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10µF |
Rch |
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OUT |
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OUT |
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PIN CONFIGURATION — PCM67U/69AU (20-Pin SOIC)
Data-L
WDCK
SYS CLOCK
BCK
Data-R
1μF
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20 |
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PCM67U/69AU
+VCC |
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1 |
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6 |
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(+5V) |
10μF |
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3.3µF |
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3.3µF |
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RNF |
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RNF |
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10µF |
Lch |
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10µF |
Rch |
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OUT |
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OUT |
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®
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PCM67/69A |
4 |
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