CRD-5376 Cirrus Logic Inc, CRD-5376 Datasheet - Page 26

• Manufacturer Part Number: CRD-5376
• Description: Audio Modules & Development Tools Ref Bd LP Mlt-Ch Decimation Filter
• Manufacturer: Cirrus Logic Inc

Specifications of CRD-5376

• Description/function: Audio D/A
• Operating Supply Voltage: 3.3 V
• Product: Audio Modules
• Supply Current: 300 mA
• For Use With/related Products: CS3301A, CS3302A, CS4373A, CS5371A, CS5372A, CS5376A
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

The PLL on CRD5376 uses a voltage controlled crystal oscillator (VCXO) to minimize jitter, and has a sin-
gle gate phase/frequency detector and clock divider to minimize size and power.
2.3.4
By default, CRD5376 communicates with the PC evaluation software through the microcontroller USB
port. Additional hardware is designed onto CRD5376 to use the microcontroller I2C
local telemetry, but it is provided for custom programming convenience only and is not directly supported
by the CRD5376 PC evaluation software or microcontroller firmware.
Telemetry signals enter CRD5376 through RS-485 transceivers, which are differential current mode
transceivers that can reliably drive long distance communication. Data passes through the RS-485 trans-
ceivers to the microcontroller I2C interface and the clock and synchronization inputs.
26
Specification
Oscillator - Citizen 32.768 MHz VCXO
Surface Mount Package Type
Supply Voltage, Current
Frequency Stability, Pullability
Startup Time
Specification
Phase Detector - TI LittleLogic XOR
Surface Mount Package Type
Supply Voltage, Current
Specification
Loop Filter Integrator - Linear Tech Op-Amp
Surface Mount Package Type
Supply Voltage, Current
Specification
Clock Divider - TI LittleLogic D-Flop
Surface Mount Package Type
Supply Voltage, Current
Specification
RS-485 Transceiver - Linear Tech
Surface Mount Package Type
Supply Voltage, Quiescent Current
Maximum Data Rate
Transmitter Delay, Receiver Delay
Transmitter Current, Full Termination (60 Ω)
Transmitter Current, Half Termination (120 Ω)
RS-485 Telemetry
Value
CSX750VBEL32.768MTR
Leadless 6-Pin, 5x7 mm
3.3 V, 11 mA
± 50 ppm, ± 90 ppm
4 ms
Value
SN74LVC1G86DBVR
SOT23-5
3.3 V, 10 µA
Value
LT1783IS5
SOT23-5
3.3 V, 375 µA
Value
SN74LVC2G74DCTR
SSOP8-199
3.3 V, 10 µA
Value
LTC1480IS8
SOIC-8, 5mm x 6mm
3.3V, 600 µA
2.5 Mbps
25 - 80 ns, 30 - 200 ns
25 mA
13 mA
®
port as a low-level
CRD5376
DS612RD2