SC900841JVK Freescale Semiconductor, SC900841JVK Datasheet - Page 134

• Manufacturer Part Number: SC900841JVK
• Description: IC POWER MGT 338-MAPBGA
• Manufacturer: Freescale Semiconductor

Specifications of SC900841JVK

• Applications: PC's, PDA's
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 338-TBGA
• Input Voltage: 2.8 V to 4.4 V
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 40 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Current - Supply: -
• Voltage - Supply: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

• Headset amplifier
dedicated to voice operation (PCM1) and the other dedicated
to stereo audio (PCM2). Each bus consists of a bit clock,
frame sync, receive data, and transmit data signal lines. Both
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900841
Table 82. Interface Driver Characteristics
FUNCTIONAL DEVICE OPERATION
AUDIO
• Input referred noise: 8.0 mV
• Class AB with Negative charge pump
• Capacitor less headset coupling (referenced to ground)
• Single ended output swing: 2.0 V
• Output load: 32 Ω
• Output power per channel: 20 mW
• THD: -60 dBA(0.1%) max
• Input referred noise: 8.0 mV
The digital audio interface consists of two busses; one
Output High BCL1, FS1, TX1
Output High BCL2, FS2, TX2
TX1, TX2 Rise and Fall Time
Output Low BCL1, FS1, TX1
Output Low BCL2, FS2, TX2
Input High BCL1, FS1, RX1
Input High BCL2, FS2, RX2
Input Low BCL1, FS1, RX1
Input Low BCL2, FS2, RX2
I2SVCC Supply Range
CPIN Supply
Parameter
I2SVCC
TX1
RX1
FS1
BCL1
CPIN
TX2
RX2
FS2
BCL2
RMS
RMS
Interface
Interface
Voice
Audio
A
A
PP
RMS
Figure 66. Digital Audio Bus Interface
typ
Output source 100 μ A
Output source 100 μ A
CL=50 pF, IO=1.8 V
Output sink 100 μ A
Output sink 100 μ A
Nominal Voltages
Nominal Voltage
Clocking
DIGITAL AUDIO BUS
Condition
Stereo ADC
Stereo DAC
Dual Voice
Voice DAC
ADC
• Line-Out amplifier
busses can be configured independently and be active at the
same time. The drive strength for the outputs is controlled by
the SLOPESEL[1:0] bits
• Gain: 0 dB +/- 0.5 dB
• Headset detection circuit through microphone bias
• Class A single ended stereo outputs
• Single ended output swing: 2.0 V
• Output load: 10 kΩ min
• THD: -60 dBA (0.1%) max
• Input referred noise: 10 mV
• Gain: 0 dB +/- 0.5 dB
I2SVCC -0.2
0.7*I2SVCC
Minimum
CPIN -0.2
0.7*CPIN
1.8
0
0
0
0
Transmit Analog Right
Transmit Analog Left
Receive Analog
Transmit Analog Right
Transmit Analog Left
Receive Analog Right
Receive Analog Left
On chip 26MHz
Analog Integrated Circuit Device Data
Typical
1.8
RMS
Freescale Semiconductor
0.3* I2SVCC
Maximum
0.3* CPIN
A
I2SVCC
I2SVCC
PP
CPIN
CPIN
3.3
0.2
0.2
into 10 kΩ
Units
V
V
V
V
V
V
V
V
V
V