Datasheet

ADS58B18
ADS58B19
SBAS487D – NOVEMBER 2009– REVISED JANUARY 2011 www.ti.com
ADS58B18, ADS58B19 Pin Assignments (CMOS Mode) (continued)
# OF
PIN NAME PIN NUMBER PINS FUNCTION DESCRIPTION
Data format select input. This pin sets the DATA FORMAT (twos compliment or offset
DFS 6 1 I
binary) and the LVDS/CMOS output interface type. See Table 4 for detailed information.
ADS58B18: Digital control pin for SNRBoost mode, active high.
SNRBoost_En 23 1 I
ADS58B19: Unused.
CLKOUT 5 1 O Differential output clock, true
Output buffer enable input, active high; this pin has an internal 180kΩ pull-up resistor to
OE 7 1 I
DRVDD.
Refer to Figure 1 and
D0 1 O Differential output data D0 and logic low multiplexed, true
Figure 2
Refer to Figure 1 and
D1 1 O Differential output data D1 and D2 multiplexed, true
Figure 2
Refer to Figure 1 and
D2 1 O Differential output data D1 and D2 multiplexed, complement
Figure 2
Refer to Figure 1 and
D3 1 O Differential output data D3 and D4 multiplexed, true
Figure 2
Refer to Figure 1 and
D4 1 O Differential output data D3 and D4 multiplexed, complement
Figure 2
Refer to Figure 1 and
D5 1 O Differential output data D5 and D6 multiplexed, true
Figure 2
Refer to Figure 1 and
D6 1 O Differential output data D5 and D6 multiplexed, complement
Figure 2
Refer to Figure 1 and
D7 1 O Differential output data D7 and D8 multiplexed, true
Figure 2
Refer to Figure 1 and
D8 1 O Differential output data D7 and D8 multiplexed, complement
Figure 2
Refer to Figure 1 and
D9 1 O Differential output data D9 and D10 multiplexed, true
Figure 2
Refer to Figure 1 and
D10 1 O Differential output data D9 and D10 multiplexed, complement
Figure 2
This pin functions as an out-of-range indicator after reset, when register bit
SERIAL READOUT = 0, and functions as a serial register readout pin when SERIAL
OVR_SDOUT 3 1 O
READOUT = 1.
This pin is a CMOS output level that runs off DRVDD supply.
DRVDD 2, 35 2 I 1.8V digital and output buffer supply
DRGND 1, 36, PAD 2 I Digital and output buffer ground
UNUSED 4 1 — Not used in CMOS mode
12 Submit Documentation Feedback © 2009–2011, Texas Instruments Incorporated
Product Folder Link(s): ADS58B18 ADS58B19