EVM DIP Switch Functionality
1-9
General Information
1.4
EVM DIP Switch Functionality
The THS7002 can be fully evaluated without any external digital control
signals applied. This is accomplished through the use of two banks of DIP
switches. Each DIP switch bank incorporates six SPST switches labeled A
through F. The functionality of each switch is described in Table 1–2.
Table 1–2. EVM DIP Switch Functionality
SWITCH
LABEL
POSITION
DESCRIPTION
S1:A
A G0
0
PGA – A-Channel Gain Bit 0 (LSB): Value = 0 (Low)
S1:A
A–G0
1
PGA – A-Channel Gain Bit 0 (LSB): Value = 1 (High)
S1:B
A G1
0
PGA – A-Channel Gain Bit 1: Value = 0 (Low)
S1:B
A–G1
1
PGA – A-Channel Gain Bit 1: Value = 1 (High)
S1:C
A G2
0
PGA – A-Channel Gain Bit 2 (MSB): Value = 0 (Low)
S1:C
A–G2
1
PGA– A-Channel Gain Bit 2 (MSB): Value = 1 (High)
S1:D
A S/D
0
A-Channel Shutdown: Value = 0 (Low) — A Side Active
S1:D
A–S/D
1
A-Channel Shutdown: Value = 1 (High) — A Side Shutdown
S1:E
A VREF
0
A-Channel VREF Floating (Connect TP8 to Ext. Ref.)
S1:E
A–VREF
1
A-Channel VREF Connected to Ground
S1:F
VL
0
Low Side Clamp Ground (Connect TP6 to Ext Ref)
S1:F
VL
1
Low Side Clamp Connected to –Vcc
S2:A
B G2
0
PGA – B-Channel Gain Bit 2 (MSB): Value = 0 (Low)
S2:A
B–G2
1
PGA – B-Channel Gain Bit 2 (MSB): Value = 1 (High)
S2:B
B G1
0
PGA – B-Channel Gain Bit 1: Value = 0 (Low)
S2:B
B–G1
1
PGA – B-Channel Gain Bit 1: Value = 1 (High)
S2:C
B G0
0
PGA – B-Channel Gain Bit 0 (LSB): Value = 0 (Low)
S2:C
B–G0
1
PGA – B-Channel Gain Bit 0 (LSB): Value = 1 (High)
S2:D
B S/D
0
B-Channel Shutdown: Value = 0 (Low) — B Side Active
S2:D
B–S/D
1
B-Channel Shutdown: Value = 1 (High) — B Side Shutdown
S2:E
B VREF
0
B-Channel VREF Floating (Connect TP14 to Ext Ref)
S2:E
B–VREF
1
B-Channel VREF Connected to Ground
S2:F
VH
0
High Side Clamp Ground (Connect TP5 to Ext Ref)
S2:F
VH
1
High Side Clamp Connected to JP5 (Vcc or 5 V)