1.4 Ordering Information
PACKAGE
28-Pin
T
A
32-Pin
28-Pin
MicroStar Junior GQE/ZQE
TLV320AIC23BGQE/ZQE
TLV320AIC23BIGQE/ZQE
TSSOP PW
PQFP RHD
−10°C to 70°C
−40°C to 85°C
TLV320AIC23BPW
TLV320AIC23BIPW
TLV320AIC23BRHD
TLV320AIC23BIRHD
1.5 Terminal Functions
TERMINAL
NO.
I/O
DESCRIPTION
NAME
GQE/
ZQE
PW
RHD
AGND
5
4
15
14
3
12
11
28
Analog supply return
Analog supply input. Voltage level is 3.3 V nominal.
AVDD
BCLK
2
23
I/O
I S serial-bit clock. In audio master mode, the AIC23B generates this signal and sends it to the
DSP. In audio slave mode, the signal is generated by the DSP.
BVDD
21
22
1
2
26
27
Buffer supply input. Voltage range is from 2.7 V to 3.6 V.
CLKOUT
O
I
Clock output. This is a buffered version of the XTI input and is available in 1X or 1/2X frequencies
of XTI. Bit 07 in the sample rate control register controls frequency selection.
CS
12
21
18
Control port input latch/address select. For SPI control mode this input acts as the data latch
control. For 2-wire control mode this input defines the seventh bit in the device address field.
See Section 3.1 for details.
2
DIN
24
20
27
19
32
29
30
4
28
6
1
25
3
I
I S format serial data input to the sigma-delta stereo DAC
DGND
DOUT
DVDD
HPGND
HPVDD
LHPOUT
Digital supply return
2
O
I S format serial data output from the sigma-delta stereo ADC
27
11
8
24
8
Digital supply input. Voltage range is 1.4 V to 3.6 V.
Analog headphone amplifier supply return
5
Analog headphone amplifier supply input. Voltage level is 3.3 V nominal.
9
6
O
I
Left stereo mixer-channel amplified headphone output. Nominal 0-dB output level is 1 V
Gain of –73 dB to 6 dB is provided in 1-dB steps.
.
RMS
LLINEIN
11
20
17
Left stereo-line input channel. Nominal 0-dB input level is 1 V
provided in 1.5-dB steps.
. Gain of –34.5 dB to 12 dB is
RMS
LOUT
2
12
5
9
2
O
Left stereo mixer-channel line output. Nominal output level is 1.0 V .
RMS
2
LRCIN
26
I/O
I S DAC-word clock signal. In audio master mode, the AIC23B generates this framing signal
and sends it to the DSP. In audio slave mode, the signal is generated by the DSP.
2
LRCOUT
MICBIAS
MICIN
28
7
7
4
I/O
I S ADC-word clock signal. In audio master mode, the AIC23B generates this framing signal
and sends it to the DSP. In audio slave mode, the signal is generated by the DSP.
17
18
22
14
15
19
O
I
Buffered low-noise-voltage output suitable for electret-microphone-capsule biasing. Voltage
level is 3/4 AVDD nominal.
8
Buffered amplifier input suitable for use with electret-microphone capsules. Without external
resistors a default gain of 5 is provided. See Section 2.3.1.2 for details.
MODE
NC
13
I
Serial-interface-mode input. See Section 3.1 for details.
Not Used—No internal connection
1, 9
17, 25
RHPOUT
RLINEIN
ROUT
31
10
3
10
19
13
7
O
I
Right stereo mixer-channel amplified headphone output. Nominal 0-dB output level is 1 V
Gain of −73 dB to 6 dB is provided in 1-dB steps.
.
RMS
16
10
Right stereo-line input channel. Nominal 0-dB input level is 1 V
provided in 1.5-dB steps.
. Gain of –34.5 dB to 12 dB is
RMS
O
Right stereo mixer-channel line output. Nominal output level is 1.0 V .
RMS
1−5
TI [ TEXAS INSTRUMENTS ]
