Datasheet

AD9238
Rev. C | Page 8 of 48
PIN CONFIGURATIONS AND FUNCTION DESCRIPTIONS
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17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32
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64 63 62 61 60 55 54 53 52 51 50 4959 58 57 56
PIN 1
IDENTIFIER
64-LEAD LQFP
TOP VIEW
(Not to Scale)
D4_A
D3_A
D2_A
D1_A
D0_A (LSB)
DNC
DNC
DRGND
OTR_B
D11_B (MSB)
D10_B
D9_B
D8_B
D7_B
D6_B
AD9238
AGND
AVDD
REFT_A
REFB_A
VREF
SENSE
REFB_B
AGND
VIN–_B
VIN+_B
VIN+_A
VIN–_A
AVDD
REFT_B
CLK_A
SHARED_REF
MUX_SELECT
OEB_A
D11_A (MSB) D10_A
D9_A D8_A
DRGND
D7_A
D6_A
D5_A
CLK_B
DCS
DFS
PDWN_B
OEB_B
DNC
D0_B (LSB)
D1_B D2_B
DRGND
D3_B D4_B D5_B
DNC
AGND
AGND
AVDD
DRVDD
DRVDD
AVDD
PDWN_A
OTR_A
DRVDD
DNC = DO NOT CONNECT
02640-003
Figure 3. 64-Lead LQFP Pin Configuration
64-LEAD LFCSP
TOP VIEW
(Not to Scale)
D4_A
D3_A
D2_A
D1_A
D0_A (LSB)
DNC
DNC
DRGND
OTR_B
D11_B (MSB)
D10_B
D9_B
D8_B
D7_B
D6_B
AD9238
AGND
AVDD
REFT_A
REFB_A
VREF
SENSE
REFB_B
AGND
VIN–_B
VIN+_B
VIN+_A
VIN–_A
AVDD
REFT_B
CLK_A
SHARED_REF
MUX_SELECT
OEB_A
D11_A (MSB) D10_A
D9_A D8_A
DRGND
D7_A
D6_A
D5_A
CLK_B
DCS
DFS
PDWN_B
OEB_B
DNC
D0_B (LSB)
D1_B D2_B
DRGND
D3_B D4_B D5_B
DNC
AGND
AGND
AVDD
DRVDD
DRVDD
AVDD
PDWN_A
OTR_A
DRVDD
PIN 1
INDICATOR
17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32
64 63 62 61 60 59 58 57 56 55 54 53 52 51 50 49
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16
NOTES
1. THERE IS AN EXPOSED PAD THAT MUST CONNECT TO AGND.
2. DNC = DO NOT CONNECT.
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02640-103
Figure 4. 64-Lead LFCSP Pin Configuration