71M6531D_10 Datasheet, PDF (100/120 Pages) Teridian Semiconductor Corporation – Energy Meter IC

Data Sheet 71M6531D/F-71M6532D/F
FDS 6531/6532 005
5.4 Performance Specifications
5.4.1 Input Logic Levels
Table 70: Input Logic Levels
Parameter
Condition
Min
Typ
Max
Unit
Digital high-level input voltage^a, V_IH
Digital low-level input voltage^a, V_IL
2
V
0.8
V
Input pull-up current, IIL
E_RXTX,
E_RST, CKTEST
Other digital inputs
VIN=0 V, ICE_E=1
10
10
-1
100
µA
100
µA
0
1
µA
Input pull down current, IIH
ICE_E
RESET
PB
Other digital inputs
VIN = V3P3D
10
100
µA
10
100
µA
-1
0
1
µA
-1
0
1
µA
a _{In battery powered modes, digital inputs should be below 0.3 V or above 2.5 V to minimize battery current.}
5.4.2 Output Logic Levels
Table 71: Output Logic Levels
Parameter
Digital high-level output voltage V_OH
Digital low-level output voltage V_OL
OPT_TX VOH (V3P3D-OPT_TX)
OPT_TX VOL
Condition
I_LOAD = 1 mA
I_LOAD = 15 mA
I_LOAD = 1 mA
I_LOAD = 15 mA
ISOURCE=1 mA
ISINK=20 mA
Min
Typ
V3P3D–0.4
V3P3D-0.6
0
Max
0.4
0.8
0.4
0.7
Unit
V
V
V
V
V
V
5.4.3 Power-Fault Comparator
Table 72: Power-Fault Comparator Performance Specifications
Parameter
Condition
Min Typ Max Unit
Offset Voltage: V1-VBIAS
-20
+15
mV
Hysteresis Current: V1
Vin = VBIAS – 100 mV
0.8
1.2
μA
+100 mV overdrive
Response Time: V1
Voltage at V1 rising
Voltage at V1 falling
8
100
µs
10
37
100
μs
WDT Disable Threshold: V1-V3P3A
-400
-10
mV
5.4.4 Battery Monitor
Table 73: Battery Monitor Performance Specifications (BME= 1)
Parameter
Condition
Min Typ Max Unit
Load Resistor
27
45
63
kΩ
LSB Value
[M40MHZ, M26MHZ]
= [00], [10], or [11]
FIR_LEN[1:0]=0 (L=138)
FIR_LEN[1:0]=1 (L=288)
FIR_LEN[1:0]=2 (L=384)
(-10%)
-48.7
-5.35
-2.26
(+10%)
μV
μV
μV
[M40MHZ, M26MHZ]
= [01]
FIR_LEN[1:0]=0 (L=186)
FIR_LEN[1:0]=1 (L=384)
FIR_LEN[1:0]=2 (L=588)
(-10%)
-19.8
-2.26
-0.63
(+10%)
μV
μV
μV
Offset Error
-200
0
+100
mV
100
© 2005-2010 TERIDIAN Semiconductor Corporation
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