CDB5451 Cirrus Logic Inc, CDB5451 Datasheet - Page 7

• Manufacturer Part Number: CDB5451
• Description: Development Kit
• Manufacturer: Cirrus Logic Inc

Specifications of CDB5451

• Silicon Manufacturer: Cirrus Logic
• Application Sub Type: ADC
• Kit Application Type: Data Converter
• Silicon Core Number: CS5451
• Features: RS-232 Serial Communication With PC, Noise Histogram Analysis, FFT Analysis
• Kit Contents: Evaluation Board And Software
• Rohs Compliant: No
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

DS480DB1
HDR10
HDR12
HDR13
HDR14
HDR11
Name
HDR1
HDR2
HDR3
HDR4
HDR5
HDR6
HDR7
HDR8
HDR9
SW1
Used to switch IIN3+ on the CS5471 between J2
and AGND.
Used to switch VIN3- on the CS5471 between J3
and AGND.
Used to switch VIN3+ on the CS5471 between J1
and AGND.
Used to switch IIN3- on the CS5471 between J4
and AGND.
Used to switch VIN2- on the CS5471 between J6
and AGND.
Used to switch IIN2+ on the CS5471 between J7
and AGND.
Used to switch IIN2- on the CS5471 between J5
and AGND.
Used to switch VIN2+ on the CS5471 between J8
and AGND.
Used to switch between external VA- and on-board
CS5471 charge-pump circuit, CPD
Used to switch VIN1+ on the CS5471 between J9
and AGND.
Used to switch IIN1- on the CS5471 between J12
and AGND.
Used to switch IIN1+ on the CS5471 between J10
and AGND.
S1-1 sets logic level on CS5471
S1-2 sets logic level on CS5471 OWRS input pin
Used to switch VIN1- on the CS5471 between J11
and AGND.
Used to switch the VREFIN from external VREF
post connector, to the on board LT1004 reference,
or to the on-chip reference VREFOUT. Refer to
Table 3.
Function Description
Table 2. Default Header Settings
GAIN
input pin
SW1-2 Open (GAIN=x1)
SW1-1 Open (XIN/1024)
VIN1- Set to BNC J11
VIN2+ Set to BNC J8
VIN1+ Set to BNC J9
IIN1- Set to BNC J12
IIN1- Set to BNC J10
VIN3- Set to BNC J3
VIN3- Set to BNC J1
VIN2- Set to BNC J6
IIN3+ Set to BNC J2
IIN2+ Set to BNC J7
IIN2+ Set to BNC J5
IIN3- Set to BNC J4
VREFIN Set to on-
Default Setting
chip reference
CPD active
VREFOUT
Default Jumpers
CPD
A-
CDB5471
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
2
O
O
OPEN
O LT1004
O VREFOUT
O EXT VREF
O IIN3+
O AGND
O VIN3-
O AGND
O VIN3+
O AGND
O IIN3-
O AGND
O VIN2-
O AGND
O IIN2+
O AGND
O IIN2-
O AGND
O VIN2+
O AGND
O VIN1+
O AGND
O IIN1-
O AGND
O IIN1+
O AGND
O VIN1-
O AGND
O
O
3
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