ADL5315
PIN CONFIGURATION AND FUNCTION DESCRIPTIONS
INPT 1
8 IOUT
VSET 2
SREF 3
COMM 4
ADL5315
TOP VIEW
(Not to Scale)
7 NC
6 VPOS
5 RLIM
NC = NO CONNECT
Figure 2. 8-Lead LFCSP
Table 3. Pin Function Descriptions
Pin No.
1
2
3
4
5
6
7
8
Mnemonic
INPT
VSET
SREF
COMM
RLIM
VPOS
N/C
IOUT
PADDLE
Description
Input Current. Pin sources current only.
Sets Voltage at INPT (Gain = 1). Range 0 V to V POS ? 1.0 V for V POS < 6.5 V. For V POS ≥ 6.5 V range, V POS ? 6.5 V to
V POS ? 1 V. Optional shielding of INPT trace.
Reference Voltage for VSET. Internally generated at V POS ? 1.0 V through 20 kΩ. Can be shorted to VSET for
standard mirror operation.
Analog Ground.
External Resistor to VPOS. Sets current limit at INPT from 1 mA to 16 mA. I LIM = 48 V/(R LIM + 3 kΩ).
Positive Supply (2.7 V to 8.0 V).
Optional Shielding of IOUT Trace. No connection to die.
Output Current. Mirrors current at INPT with a gain of 1.0. Sources current only.
Internally connected to COMM, solder to ground.
Rev. 0 | Page 5 of 20
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