Analog Devices EVAL-ADAQ7980SDZ User Manual page 26

UG-1060
VDD SUPPLY
ONBOARD_7P5V
ONBOARD_VDD
ONBOARD_5V
ONBOARD_VDD
VDD
VDD_BENCH
ONBOARD_5V
V_SDP
VSDP_BENCH
IF SUPPLYING FROM VSDP_BENCH (P2 = 3), VSDP_BENC NEEDS TO BE LIMITED TO 5V MA X
POWER SUPPLY FOR AMPLIFIERS
DC POWER JACK
R1
P7
2.4kΩ
V_IN
4
3
2
1
A
SML-310MTT86
DS1
KLDX-SMT2-0202-ATR
C
AGND
AGND
1kΩ AT 100MHz
J11
1
2
3
V_IN
M20-9990345
J12
1
2.2µF
2
3
M20-9990345
SDP SUPPLY
J13
1
2
3
M20-9990345
Figure 31. EVAL-ADAQ7980SDZ
DNI
R3
0kΩ
U6
ADP2370ACPZ-5.0
1 8
VIN PGND
2 7
FSEL
FSEL SW
3 6
C3 EN PG
4 5
10µF
SYNC FB
EPAD
PAD
AGND
DNI
J15
1
A
FSEL
2
COM
3
AGND
B
3PIN_JUMPER_SM
R4
1kΩ
U7
L2
ADP7118AUJZ-5.0
2 1
1
VIN
3
EN VOUT
4
SENSE/ADJ
C4
GND
2.2µF
2
R2
AGND
100kΩ
AGND
AGND
VIN = +9V, VOUT = 7.5V
Figure 32. EVAL-ADAQ7980SDZ
VDRIVE SUPPLY
R27
0Ω
DNI
U5
ADP7118AUJZ-3.3
1
VIN
3 5
EN VOUT
4
SENSE/ADJ
C33
GND
2
R26
DNI
0Ω
AGND
AGND
AGND
Schematic, Page 4
AGND
ONBOARD_5V
L1
10µH
C7 ADM660ARZ
10µF 7
OSC
1
FC
2
CAP+
AGND
4
CAP–
C8
GND
R5 R6
10µF
6
0Ω 0Ω
VIN = +9V, VOUT = -2.5V
R7
C5
50kΩ
1µF
ONBOARD_7P5V
5
ONBOARD_V+
ONBOARD_5V
C6
2.2µF
AGND
ONBOARD_V+
V+
V+_BENCH
Schematic, Page 5
Rev. 0 | Page 26 of 30
EVAL-ADAQ7980SDZ User Guide
R28
DNI
0Ω
C36
2700pF
1
VDRIVE
2
SDP_3P3V
3
C37
2.2µF
AGND
C10
AGND
U8
10µF
8
U9
V+
ADP7182AUJZ
R8
5 2
OUT VIN
0Ω
3
C11
EN VOUT
C9
LV
10µF 10µF
4
3
ADJ
DNI
GND
1
AGND
J18
ONBOARD_M2P5V
1
EXT_V-
2
V-_BENCH
3
M20-9990345
J19
EXT_V-
1
V-
2
3
AGND
M20-9990345
J16
1
ON-BOARD
2
3
M20-9990345
J17
1
ON-BOARD / BENCH
2
3
M20-9990345
J14
M20-9990345
ONBOARD_M2.5V
5
C12
10µF
AGND
ON-BOARD / BENCH
UNIPOLAR / BIPOLAR