Datasheet

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SBAS342B − DECEMBER 2004 − REVISED APRIL 2006
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6
PIN ASSIGNMENT
V
IN
+
V
IN
−
AGND
V
CC
RATE
S/M
RST
HPFD
V
REF
+
V
REF
−
DGND
V
DD
SCKI
BCK
FSYNC
DATA
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
PCM4201
PW PACKAGE
TSSOP-16
(TOP VIEW)
Terminal Functions
TERMINAL
PIN NO. NAME I/O DESCRIPTION
1 V
IN
+ Input Noninverting Analog Input
2 V
IN
− Input Inverting Analog Input
3 AGND Ground Analog Ground
4 V
CC
Power Analog Supply, +5V
5 RATE Input Sampling Mode Configuration (Tri-Level Input): 0 = Double Speed;
1 = Normal Speed, Low Power; Z = Normal Speed, High Performance.
Maximum external capacitive load is 100pF.
6 S/M Input Audio Serial Port Slave/Master Mode (0 = Master, 1 = Slave)
7 RST Input Reset/Power Down (Active Low)
8 HPFD Input High Pass Filter Disable (Active High)
9 DATA Output Audio Serial Port Data
10 FSYNC I/O Audio Serial Port Frame Synchronization Clock
11 BCK I/O Audio Serial Port Bit (or Data) Clock
12 SCKI Input System Clock
13 V
DD
Power Digital Supply, +3.3V Typical
(1)
14 DGND Ground Digital Ground
15 V
REF
− Output Voltage Reference Low Output, Connect to AGND
16 V
REF
+ Output Voltage Reference High Output, De-Coupling Only
(2)
(1)
The V
DD
supply may be operated from +1.8V to +3.6V.
(2)
Unbuffered output. Do not use to drive external circuitry.