Front pads

The analog input pads and some analog supply pads are located at the front side of Helix128-2. The input pads are staggered fourfold with a pitch of 41.4$\mu$m. A description is given for Helix128-2.0 and Helix128-2.1 in table 7 on page , a description for Helix128-2.2/2.3 can be found in table 8 on page .

 

 

Ref. no. Pin name Type Description

1 Vdda supply positive analog supply voltage (+2V)

2 Vssa supply negative analog supply voltage (-2V)

$$\langle \rangle$$ 3 analog input input of channel 0

$$\langle \rangle$$ 4 analog input input of channel 1

$$\langle \rangle$$ 5 analog input input of channel 2 6-128

$$\langle \rangle$$ 129 analog input input of channel 126

$$\langle \rangle$$ 130 analog input input of channel 127

131,132 Gnda supply analog ground (0V)

 

 

Ref. no. Pin name Type Description

1 Vdda supply positive analog supply voltage (+2V)

2 Vssa supply negative analog supply voltage (-2V)

2a InTest input analog input pad for test channel

$$\langle \rangle$$ 3 analog input input of channel 0

$$\langle \rangle$$ 4 analog input input of channel 1

$$\langle \rangle$$ 5 analog input input of channel 2 6-128

$$\langle \rangle$$ 129 analog input input of channel 126

$$\langle \rangle$$ 130 analog input input of channel 127

131,132 Gnda supply analog ground (0V)