ADS5546 Datasheet, PDF (19/50 Pages) Texas Instruments – 14-BIT, 190 MSPS ADC WITH DDR LVDS/CMOS OUTPUTS

www.ti.com
PIN CONFIGURATION (LVDS MODE)
ADS5546
SLWS183C – NOVEMBER 2005 – REVISED OCTOBER 2006
RGZ PACKAGE
(TOP VIEW)
DRGND 1
DRVDD 2
OVR 3
CLKOUTM 4
CLKOUTP 5
DFS 6
OE 7
AVDD 8
AGND 9
CLKP 10
CLKM 11
AGND 12
36 DRGND
35 DRVDD
34 D0_D1_P
33 D0_D1_M
32 NC
31 NC
30 RESET
29 SCLK
28 SDATA
27 SEN
26 AVDD
25 AGND
Figure 7. LVDS Mode Pinout
P0023-02
PIN NAME
PIN ASSIGNMENTS – LVDS Mode
DESCRIPTION
AVDD
Analog power supply
AGND
Analog ground
CLKP, CLKM
INP, INM
VCM
IREF
RESET
Differential clock input
Differential analog input
Internal reference mode – Common-mode voltage output.
External reference mode – Reference input. The voltage forced on this pin sets
the internal references.
Current-set resistor, 56.2-kΩ resistor to ground.
Serial interface RESET input.
When using the serial interface mode, the user MUST initialize internal registers
through hardware RESET by applying a high-going pulse on this pin, or by using
the software reset option. See the SERIAL INTERFACE section.
In parallel interface mode, the user has to tie the RESET pin permanently HIGH.
(SDATA and SEN are used as parallel pin controls in this mode)
The pin has an internal 100-kΩ pull-down resistor.
PIN
TYPE
I
I
I
I
PIN
NUMBER
8, 18, 20,
22, 24, 26
9, 12, 14,
17, 19, 25
10, 11
15, 16
I/O
13
I
21
I
30
NUMBER
OF PINS
6
6
2
2
1
1
1
Submit Documentation Feedback
19