ꢀ ꢁ ꢂ ꢃꢄ ꢅ ꢂꢆ ꢀ ꢁ ꢂ ꢃꢄꢅ ꢇ
SLUS553D − MAY 2003 − REVISED JULY 2005
ELECTRICAL CHARACTERISTICS (CONTINUED)
(−40°C ≤ T ≤ 125°C, 7.0 V
DC
≤ VCC ≤ 28 V , all voltages relative to V ) (unless otherwise specified)
J
DC
ss
Battery Current Output Amplifier
PARAMETER
TEST CONDITIONS
(SRP − SRN) = 5 mV, See Note 7
(SRP − SRN) = 5 mV, SRP = 12 V,
MIN
TYP
MAX
UNIT
G
Transfer gain
20
V/V
(TR)
Battery current readback output
voltage (IBAT)
V
100
10
mV
I(BAT)
VCC = 18 V,
T = 25°C
J
Line rejection voltage
T = 25°C
J
mV/V
V
CM
Common-mode input range (SRP)
5
0
28
Battery current output voltage range
(IBAT)
V
2.5
V
O(IBAT)
I
Output source current (IBAT)
(SRP − SRN) = 100 mV
(SRP − SRN) = 50 mV, T = 25°C, See Note 7
5
−3%
7.1
9.4
2.4%
20%
mA
S(O)
J
(SRP − SRN) = 50 mV, 0°C ≤ T ≤ 85°C
−20%
−1.5%
−6%
Total battery current readback
full-scale accuracy
J
(SRP − SRN) = 100 mV, T = 25°C, See Note 7
1.2%
8.5%
J
(SRP − SRN) = 100 mV, 0°C < T < 85°C
J
5-V Voltage Reference
PARAMETER
TEST CONDITIONS
MIN
4.985
4.946
4.946
4.926
TYP
5
MAX
5.013
5.013
5.03
UNIT
T = 25°C
J
V
T = 0°C to 85°C
5
J
V
ref
Output voltage (VREF)
T = 40°C to 85°C
5
V
V
J
T = −40°C to 125°C
5
5.03
J
Line regulation
I
= 5 mA
0.1
1.1
20
0.37 mV/V
LOAD
1 mA ≤ I
Load regulation
≤ 5 mA
4
30
mV/mA
mA
LOAD
Short circuit current
8
2.2
5
5V REF output capacitor
Output capacitor equivalent resistor
Capacitance
ESR
10
µF
1000
mΩ
Half Supply Regulator
PARAMETER
TEST CONDITIONS
MIN
− 11
TYP
MAX
UNIT
I
I
= 20 mA, V
CC
= 18 V
V
V
− 10.2
V
CC
− 8.5
1.5
(SINK)
CC
CC
V
Voltage regulation
V
(HSP)
= 1 mA, V
V
= 7 V
(SINK)
CC
IBAT
NOTE: 7. Battery readback transfer gain G
+
TR
(
)
SRP * SRN
8
www.ti.com
TI [ TEXAS INSTRUMENTS ]
