E4257ALPT Semtech, E4257ALPT Datasheet - Page 27

• Manufacturer Part Number: E4257ALPT
• Manufacturer: Semtech

Specifications of E4257ALPT

• Operating Temperature (max): 85C
• Operating Temperature Classification: Commercial
• Mounting: Surface Mount
• Lead Free Status / RoHS Status: Compliant

Force Voltage
Parameter
Input Voltage Range @ VINP
Input Leakage Current
Output Forcing Voltage
Force Amplifier Short Circuit Current Limit
Voltage Accuracy
Temperature Dependence (Note 1)
Capacitive Loading Range at FORCE
TEST AND MEASUREMENT PRODUCTS
DC Characteristics (continued)
2005 Semtech Corp. / Rev. 5, 11/30/05
RF Pin ( Full-Scale Current)
FORCE Pin (E4257, E4287)
FORCE Pin (E4237)
Gain
Linearity
Temperature Coefficient of Offset
Temperature Coefficient of Gain
SELCOMP = 0
SELCOMP = 1, CCOMP = 470 pF
Offset
Ranges A, B, C ( Full-Scale Current)
Range A ( Full-Scale Current)
Range D
Range C
Sourcing Full-Scale Current
Sinking Full-Scale Current
Sourcing Full-Scale Current
Sinking Full-Scale Current
Zero Current
Zero Current
Range B
Range C
Range A
Range D
FVGain/ T
Symbol
FV Gain
FV INL
VVINP
V
I
Vos/ T
IVINP
C
SC,
Vos
FORCE
V
LOAD
RF
I
SK
27
VEE + 1.75
VEE + 2
VEE + 2
VEE + 2
VEE + 2
VEE + 4
VEE + 2
VEE + 2
VEE + 2
VEE + 4
0.985
–0.01
–200
Min
–50
0.5
0.8
45
0
0
9
E4237/E4257/E4287
Typ
17
0
1
VCC – 1.75
VCC – 2
VCC – 2
VCC – 4
VCC – 2
VCC – 2
VCC – 2
VCC – 4
VCC – 2
VCC – 2
+0.01
1.015
+200
Max
300
160
1.6
50
10
15
45
www.semtech.com
%FSVR
ppm/˚C
Units
mA
mA
mA
mA
mV
V/˚C
nA
V/V
pF
nF
V
V
V
V
V
V
V
V
V
V