Datasheet

Overview www.ti.com
Table 1. Jumper List
Jumper Function Default Jumper Setting
Interface Circuit Operational Amplifier THS4509 (Bypassed)
SJP1 AMP_OUT+ 1-2
SJP2 AMP_OUT– 1-2
JP7 PD 1-2
SJP5 AMPIN- 1-2
ADC Circuit
JP12 Parallel 1-2
JP11 SDA open
JP9 SEN 1-2
JP15 OE open
J2 DFS open
J3 MODE 1-2
J1 SEN open
Clock Interface Circuit
SJP4 CLOCKIN 1-2
SJP7 CLOCKIN, Y0, Y1P SELECT 1-2
SJP6 Y1N SELECT 1-2
J14 PWRDWN CDC 1-2
Power Supply
JP13 3.3VA_IN 1-2
JP14 3.3VD_IN 1-2
JP16 TPS79501 INPUT SELECT 1-2
JP19 5V_AUX 1-2
JP17 TPS5420 INPUT SELECT NO SHUNT
2. Connect the 5-V supply between J7 and J12 (GND). If you are using the TSW1200 for capture, it also
can be used to source 5 V for the EVM. On the TSW1200, configure JP8 to short 1-2, J22 to short 1-2,
and jumper over 5 V from the banana jacks on the TSW1200 to J7 on the ADC EVM. Do not connect a
voltage source greater than 5.5 V.
3. Switch on power supplies.
4. Using a function generator with 50- Ω output impedance, generate a 0-V offset, 1.5-Vpp sine-wave
clock into J19. The frequency of the clock must be within the specification for the device speed grade.
5. Use a frequency generator with a 50- Ω output impedance to provide a 0-V offset, –1-dBFS-amplitude
sine-wave signal into J6. This provides a transformer-coupled differential input signal to the ADC.
6. Connect the TSW1200 or suitable logic analyzer to J10 to capture the resulting digital data. If a
TSW1200 is being used to capture data, follow the additional alphabetically labeled steps. For more
information, see Section 4 .
a. After installing the TSW1200 software and connecting the TSW1200 to the USB port, open the
TSW1200 software.
b. Depending on the ADC under evaluation, select from the TI ADC Selection pulldown menu.
c. Change the ADC Sample Rate and ADC Input Frequency to match those of the signal generator.
d. After selecting a Single Tone FFT test, press the Capture Data button.
ADS61x9/55xxEVM 6 SLWU061A – December 2008 – Revised June 2009
Submit Documentation Feedback