71M6541F Maxim, 71M6541F Datasheet - Page 150

• Manufacturer Part Number: 71M6541F
• Description: The 71M6541D/71M6541F/71M6541G/71M6542F/71M6542G are Teridian™ 4th-generation single-phase metering SoCs with a 5MHz 8051-compatible MPU core, low-power RTC with digital temperature compensation, flash memory, and LCD driver
• Manufacturer: Maxim

71M6541D/F/G and 71M6542F/G Data Sheet
6.4.16 Pre-Amplifier for IAP-IAN
PARAMETER
Differential Gain
Vin=30mV differential
Vin=15mV differential (see note 1)
Gain Variation vs V3P3
Vin=30mV differential (see note 1)
Gain Variation vs Temp
Vin=30mV differential (see note 1)
Phase Shift,
Vin=30mV differential (see note 1)
Preamp input current
IADC0
IADC1
Preamp+ADC THD
Vin=30mV differential
Vin=15mV differential
Preamp Offset
IADC0=IADC1=V3P3+30mV
IADC0=IADC1= V3P3+15mV
IADC0=IADC1= V3P3
IADC0=IADC1= V3P3-15mV
IADC0=IADC1= V3P3-30mV
Notes:
150
Notes:
1. Guaranteed by design; not production tested.
1. Guaranteed by design; not production tested.
2. Unless stated otherwise, the following test conditions apply to all the parameters provided in
this table: FIR_LEN[1:0]=1, VREF_DIS=0, PLL_FAST=1, ADC_DIV=0, MUX_DIV=6, LSB values
do not include the 9-bit left shift at CE input.
Table 111: Pre-Amplifier Performance Specifications
CONDITION
T
V3P3=3.3 V,
PRE_E=1,
FIR_LEN=2,
DIFF0_E=1,
2520Hz sample rate
V3P3 =
2.97 V, 3.63 V
T
T
V3P3=3.3 V
PRE_E=1,
FIR_LEN=2,
DIFF0_E=1
2520Hz sample rate,
IADC0=IADC1=V3P3
T
V3P3=3.3 V,
PRE_E=1,
FIR_LEN=2,
DIFF0_E=1,
2520Hz sample rate.
T
V3P3=3.3 V,
PRE_E=1,
FIR_LEN=2,
DIFF0_E=1,
2520Hz sample rate
A
A
A
A
A
= +25⁰C,
=25⁰C,
=25⁰C,
=25⁰C,
= -40⁰C, 85⁰C
MIN
-100
7.8
7.8
10
-6
4
4
-0.63
-0.57
-0.56
-0.56
-0.55
TYP MAX
7.92
7.92
-25
-82
-86
9
9
100
-80
8.0
8.0
16
16
6
ppm/%
ppm/C
UNIT
V/V
V/V
mV
mV
mV
mV
mV
uA
uA
dB
dB
mº
Rev 2