KX1400EW Keterex, KX1400EW Datasheet - Page 20

• Manufacturer Part Number: KX1400EW
• Description: Audio D/A Converter ICs KX1400 Audio Playback IC
• Manufacturer: Keterex

Specifications of KX1400EW

• Resolution: 12 bit
• Operating Supply Voltage: 2.7 V to 5.5 V
• Operating Temperature Range: - 40 C to + 85 C
• Maximum Power Dissipation: 120 mW
• Mounting Style: SMD/SMT
• Number Of Dac Outputs: 2
• Power Consumption: 320 mW
• Supply Current: 50 mA
• Thd Plus Noise: 40 dB
• Package / Case: SOIC-20
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

MCU’s data memory.
CLKOUT signal from the KX1400 is used as the MCU’s system clock (optional).
KX1400 Audio Playback IC
7.2. Host Controlled without External Memory
The following example circuit shows the KX1400 in host-controlled operation with audio data stored in the
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Host MCU
XTAL1
MCLK
MSSL
MOSI
GND
P1.0
+VDD
P1.1
LEDs are controlled with Set Outputs commands sent from the MCU. The
Figure 7.2. KX1400 in Host-Controlled System
CS
SCL
SDI
BUSY
CLKOUT (Optional)
RST
RDY (Optional)
MSIZE
MODE
GND
VDD
VDD2
GPO1
SPO+
MCLK
GPO2
MSSL
SPO-
MISO
MOSI
Optional