AD7763BSVZ Analog Devices Inc, AD7763BSVZ Datasheet - Page 22

• Manufacturer Part Number: AD7763BSVZ
• Description: IC ADC 24BIT S/D 625KSPS 64-TQFP
• Manufacturer: Analog Devices Inc

Specifications of AD7763BSVZ

• Data Interface: Serial, SPI™
• Number Of Bits: 24
• Sampling Rate (per Second): 625k
• Number Of Converters: 1
• Power Dissipation (max): 955.5mW
• Voltage Supply Source: Analog and Digital
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 64-TQFP Exposed Pad
• Resolution (bits): 24bit
• Input Channel Type: Differential
• Supply Voltage Range - Analogue: 2.375V To 2.625V, 3.15V To 5.25V, 4.75V To 5.25V
• Supply Voltage Range -: RoHS Compliant
• Sampling Rate: 625kSPS
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

AD7763
DECOUPLING AND LAYOUT RECOMMENDATIONS
Due to the high performance nature of the AD7763, correct decoupling and layout techniques are required to obtain the performance as
stated within this data sheet. Figure 35 shows a simplified connection diagram for the AD7763.
AV
(RHS)
PIN 4
DD2
100nF
C48
L1
(VBIAS)
PIN 15
100nF
100nF
C7
C50
L3
33pF
PIN 14
C64
(LHS)
100nF
C62
L2
OUTA–
OUTA+
VREF
INA+
160kΩ
INA–
VIN+
VIN–
R19
L9
PIN 27
19
20
21
22
30
25
26
10
17
35
42
43
53
57
59
62
64
(VBUF)
8
9
1
PIN 12
AV
V
V
V
V
DECAPA
DECAPB
V
V
V
REFGND
R
DGND
DGND
DGND
DGND
DGND
DGND
DGND
DGND
DGND
DD4
IN
IN
OUT
OUT
IN
IN
REF
BIAS
A+
A–
+
–
10nF
+
A–
A+
R38
10Ω
C59
Figure 35. Simplified Connection Diagram
L4
(VMOD1)
Rev. A | Page 22 of 32
AV
PIN 5
DD1
100nF
C52
L5
AD7763BSV
(VMOD2)
PIN 33
100nF
C53
L11
(VDIF1)
PIN 24
AV
DD3
100nF
C54
L6
MCLKGND
U2
RESET
(VDRV1)
MCLK
SYNC
DRDY
V
ADR0
ADR1
ADR2
PIN 44
CDIV
SCO
SDO
SCR
FSO
DRIVE
SDL
SCP
SH0
SH1
SH2
SDI
FSI
I
2
S
100nF
61
60
37
36
38
3
2
58
56
55
54
52
51
50
49
48
47
46
45
40
39
C56
L7
(VDRV2)
PIN 63
100nF
SCR
CDIV
FSO
SCO
SDO
SDI
FSI
SDL
SCP
ADR0
ADR1
ADR2
SH0
SH1
SH2
RESET
SYNC
DRDY
MCLK
I
2
C57
L12
S
(DVDD)
PIN 41
DV
DD
100nF
C58
L8