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ADS5122 Datasheet(PDF) 5 Page - Texas Instruments

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Part No. ADS5122
Description  8-Channel, 10-Bit, 65MSPS, 1.8V CMOS ANALOG-TO-DIGITAL CONVERTER
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Maker  TI [Texas Instruments]
Homepage  http://www.ti.com
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ADS5122 Datasheet(HTML) 5 Page - Texas Instruments

 
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ADS5122
5
SBAS272B
www.ti.com
NAME
PINS
I/O
TERMINAL DESCRIPTION
AVDD
C6, C7, E6, F1, F2, F3, F5, F6, J6, N3, P3, P5, P6, P7, R6, V6, W6
I
Analog Supply (1.8V)
AGND
A3, A5, B5, B9, C1, C5, C9, E3, E7, F7, G1, G5, G6, H6, J1, J2, M2, N5, N6, P8,
I
Analog Ground
R1, R2, R3, R7, U1, U5, U10, V5, V10, W3, W7
AINA+
U7
I
Analog Input Channel A
AINA–
V7
I
Complementary Analog Input Channel A
AINB+
W4
I
Analog Input Channel B
AINB–
V4
I
Complementary Analog Input Channel B
AINC+
T1
I
Analog Input Channel C
AINC–
T2
I
Complementary Analog Input Channel C
AIND+
P2
I
Analog Input Channel D
AIND–
P1
I
Complementary Analog Input Channel D
AINE+
G3
I
Analog Input Channel E
AINE–
G2
I
Complementary Analog Input Channel E
AINF+
D1
I
Analog Input Channel F
AINF–
D2
I
Complementary Analog Input Channel F
AING+
A4
I
Analog Input Channel G
AING–
B4
I
Complementary Analog Input Channel G
AINH+
B6
Analog Input Channel H
AINH–
A6
I
Complementary Analog Input Channel H
CLK
W9
I
Clock Input
REFT
K3, L1, J3
I/O
Reference Top
REFB
K5, J5, L5
I/O
Reference Bottom
CML
L2, L3
O
Common-Mode Level Output
BG
K1
I/O
Bandgap Decoupling (Decouple with 0.1
µF cap to AGND)
IREFR
K6
I
Internal Reference Bias Current (Connect 4.42k
Ω resistor
from this pin AGND to set internal bias amplifier current.)
DNC
L6
I
Do Not Connect
DNC
M1
I
Do Not Connect
NC
E1, E2, E5, K2, U6, W5
I
No Internal Connection
DCASEL
N2
I
Duty Cycle Adjust
DVDD
C2, C3, C4, D3, E8, F8, H3, H5, M3, M5, R8, T3, U3, U4, U8, V3, P13, R13
I
Digital Supply (1.8V)
P17, L15, J14, F17, F12, E12
DGND
A2, A7, B1, B2, B3, B7, B13, C13, G15, H1, H2, H17, L17, M6, N1, N15, U2, U13,
I
Digital Ground
U14, V1, V2, V8, W2, W8
PDREF
V9
I
Power-Down Ref: 0 = internal reference, 1 = external
reference. In external reference mode connect REFT to
BG pin.
STBY A
W10
I
Power-Down Channel A
STBY B
P9
I
Power-Down Channel B
STBY C
R9
I
Power-Down Channel C
STBY D
U9
I
Power-Down Channel D
STBY E
C8
I
Power-Down Channel E
STBY F
B8
I
Power-Down Channel F
STBY G
A8
I
Power-Down Channel G
STBY H
A9
I
Power-Down Channel H
OE
P10
I
Enable all Digital Outputs, Ch. A-H. OE: 0 = Outputs
Enable. OE: 1 = Outputs disabled (3-state).
DRVDD
B17, C16, D17, E9, E10, E11, E17, F9, H14, H15, K17, L14, N14, P12, P14, P15
I
Driver Digital Supply (1.8V or 3.3V)
R10, R12, R14
I
DRGND
E13, F10, F11, F13, F14, F15, G14, G17, M14, M15, M17, N17, U11, U12, U15, U16
I
Driver Digital Ground
PIN DESCRIPTIONS
19
14,40 TYP
17
16
13
14
15
11
12
9
8
10
V
U
W
R
N
P
L
M
K
T
7
5
6
3
4
H
F
G
E
C
D
1
A
B
2
J
18
0,80
PIN CONFIGURATION
Bottom View
BGA


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