AD1847JP Analog Devices Inc, AD1847JP Datasheet - Page 28

• Manufacturer Part Number: AD1847JP
• Manufacturer: Analog Devices Inc

Specifications of AD1847JP

• Single Supply Voltage (typ): 5V
• Single Supply Voltage (min): 4.75V
• Single Supply Voltage (max): 5.25V
• Package Type: PLCC
• Lead Free Status / RoHS Status: Not Compliant

AD1847
0.048 (1.21)
0.042 (1.07)
(0.50)
0.020
44-Terminal Plastic Thin Quad Flatpack (TQFP)
R
0.030 (0.75)
0.018 (0.45)
0.006 (0.15)
0.002 (0.05)
SEATING
7
17
PLANE
18
6
0.048 (1.21)
0.042 (1.07)
Dimensions shown in inches and (mm).
0.063 (1.60)
0.057 (1.45)
0.053 (1.35)
OUTLINE DIMENSIONS
MAX
0.695 (17.65)
0.685 (17.40)
0.656 (16.66)
0.650 (16.51)
IDENTIFIER
TOP VIEW
PIN 1
44-Lead PLCC
34
44
SQ
SQ
(P-44A)
(ST-44)
33
1
0.031 (0.80)
BSC
0.472 (12.00) SQ
0.056 (1.42)
0.042 (1.07)
(PINS DOWN)
TOP VIEW
40
28
39
29
0.018 (0.45)
0.012 (0.30)
0.180 (4.57)
0.165 (4.19)
0.110 (2.79)
0.085 (2.16)
23
11
22
12
0.025 (0.63)
0.015 (0.38)
0.021 (0.53)
0.013 (0.33)
0.032 (0.81)
0.026 (0.66)
0.050
(1.27)
BSC
0.040 (1.01)
0.025 (0.64)
(10.0)
0.394
SQ
0.63 (16.00)
0.59 (14.99)
–28–
All brand or product names mentioned are trademarks or regis-
tered trademarks of their respective holders.
INDEX
PRODUCT OVERVIEW . . . . . . . . . . . . . . . . . . . . . . . . 1
AD1847 SPECIFICATIONS . . . . . . . . . . . . . . . . . . . . . 2
ORDERING GUIDE . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
PINOUTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
PIN DESCRIPTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
AUDIO FUNCTIONAL DESCRIPTION . . . . . . . . . . . 7
CONTROL REGISTERS . . . . . . . . . . . . . . . . . . . . . . . . 9
INITIALIZATION AND PROCEDURES . . . . . . . . . . 21
DATA FORMAT DEFINITIONS . . . . . . . . . . . . . . . . 23
APPLICATIONS CIRCUITS . . . . . . . . . . . . . . . . . . . . 23
FREQUENCY RESPONSE PLOTS . . . . . . . . . . . . . . . 26
TIMING DIAGRAMS . . . . . . . . . . . . . . . . . . . . . . . . . 27
OUTLINE DIMENSIONS . . . . . . . . . . . . . . . . . . . . . . 28
Analog Inputs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Analog Mixing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Analog-to-Digital Datapath . . . . . . . . . . . . . . . . . . . . . 7
Digital-to-Analog Datapath . . . . . . . . . . . . . . . . . . . . . 7
Digital Mixing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Analog Outputs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Digital Data Types . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Power Supplies and Voltage Reference . . . . . . . . . . . . . 8
Clocks and Sample Rates . . . . . . . . . . . . . . . . . . . . . . . 8
Control Register Mapping . . . . . . . . . . . . . . . . . . . . . . 9
Control Word . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Left/Right Playback/Capture Data . . . . . . . . . . . . . . . 10
Status Word . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . : 11
Index Readback . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Indirect Mapped Registers . . . . . . . . . . . . . . . . . . . . . 12
Left Input Control Register . . . . . . . . . . . . . . . . . . . . 13
Right Input Control Register . . . . . . . . . . . . . . . . . . . 13
Left Auxiliary #1 Input Control Register . . . . . . . . . . 13
Right Auxiliary #1 Input Control Register . . . . . . . . . 13
Left Auxiliary #2 Input Control Register . . . . . . . . . . 14
Right Auxiliary #2 Input Control Register . . . . . . . . . 14
Left DAC Control Register . . . . . . . . . . . . . . . . . . . . . 14
Right DAC Control Register . . . . . . . . . . . . . . . . . . . . 14
Data Format Register . . . . . . . . . . . . . . . . . . . . . . . . . 15
Interface Configuration Register . . . . . . . . . . . . . . . . . 16
Pin Control Register . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Invalid Address . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Miscellaneous Information Register . . . . . . . . . . . . . . 17
Digital Mix Control Register . . . . . . . . . . . . . . . . . . . 17
Invalid Address . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Serial Data Interface . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Control Register Mapping Summary . . . . . . . . . . . . . 20
Daisy-Chained Multiple Codecs . . . . . . . . . . . . . . . . . 20
Reset and Power Down . . . . . . . . . . . . . . . . . . . . . . . 21
Clock Connections and Clock Rates . . . . . . . . . . . . . . 21
Mode Change Enable State . . . . . . . . . . . . . . . . . . . . 22
Digital Mix . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Autocalibration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Changing Sample Rates . . . . . . . . . . . . . . . . . . . . . . . 22
16-Bit Signed Format . . . . . . . . . . . . . . . . . . . . . . . . . 23
8-Bit Unsigned Format . . . . . . . . . . . . . . . . . . . . . . . . 23
8-Bit Companded Formats . . . . . . . . . . . . . . . . . . . . . 23
PAGE
REV. B