CS4373A Datasheet, PDF (31/34 Pages) Cirrus Logic – Low-power, High-performance Test DAC

11. PIN DESCRIPTION
CS4373A
Positive Capacitor Output CAP+ ₁
Negative Capacitor Output CAP- ₂
Positive Buffered Output BUF+ ₃
Negative Buffered Output BUF- ₄
Positive High Precision Output OUT+ ₅
Negative High Precision Output OUT- ₆
Positive Analog Power Supply
VA+ ₇
Negative Analog Power Supply
VA- 8
Negative Voltage Reference VREF- 9
Positive Voltage Reference VREF+ 10
No Connect
NC 11
No Connect
NC 12
No Connect
NC 13
No Connect
NC 14
28 ^GND
System Ground
27 ^{MODE0 Mode Select}
26 ^{MODE1 Mode Select}
25 ^{MODE2 Mode Select}
24 ^ATT0
Attenuation Range Select
23 ^ATT1
Attenuation Range Select
22 ^ATT2
Attenuation Range Select
21 TDATA Signal Bitstream Input
20 VD
Positive Digital Power Supply
19 GND
System Ground
18 MCLK Master Clock Input
17 MSYNC Master Sync Input
16 DNC
Do Not Connect
15 DNC
Do Not Connect
Pin Name
CAP+,
CAP-
BUF+,
BUF-
OUT+,
OUT-
VA+,
VA-
VREF-,
VREF+
MSYNC
MCLK
GND
VD
TDATA
Pin # I/O
Pin Description
1 O Capacitor connection for internal anti-alias filter.
2
3 O Buffered differential analog output.
4
5 O Precision differential analog output.
6
7 I Analog power supply. Refer to the Specified Operating Conditions.
8
9 I Voltage reference input. Refer to the Specified Operating Conditions.
10
17 I Master Sync Input. Low to high transition resets the internal clock phasing.
18 I Master Clock Input. CMOS compatible clock input.
19
System ground.
20
Digital power supply. Refer to the Specified Operating Conditions.
21 I Test Bit Stream input from digital filter TBS generator.
DS699F2
31