Datasheet

ADS1293
www.ti.com
SNAS602B FEBRUARY 2013REVISED MARCH 2013
CONNECTION DIAGRAM
28-PIN LLP
(TOP VIEW)
Table 2. Pin Descriptions
PIN
TYPE FUNCTION
NO. NAME
1 - 6 IN1 - IN6 Analog Input Electrode input signals
7 WCT Analog Output Wilson reference output or analog pace channel output
8 CMOUT Output Common-mode detector output
9 RLDOUT Analog Output Right leg drive amplifier output
10 RLDINV Analog Input Right leg drive amplifier negative input
11 RLDIN Analog I/O Right leg drive amplifier positive input or analog pace channel output
12 RLDREF Analog Output Internal right leg drive reference
13 SYNCB Digital I/O Sync bar; multiple-chip synchronization signal input or output
14 VSSIO Digital Supply Digital input/output supply ground
15 ALARMB Digital Output Alarm bar
16 CSB Digital Input Chip select bar
17 SCLK Digital Input Serial clock
18 SDI Digital Input Serial data input
19 SDO Digital Output Serial data output
20 DRDYB Digital Output Data ready bar
21 CLK Digital I/O Internal clock output or external clock input
22 VDDIO Digital Supply Digital input/output supply
23 XTAL1 Digital Input External crystal for clock oscillator
24 XTAL2 Digital Input External crystal for clock oscillator
25 RSTB Digital Input Reset bar
26 CVREF Analog I/O External cap for internal reference voltage
27 VSS Analog Supply Power supply ground
28 VDD Analog Supply Positive power supply
DAP No connect
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