EFM32LG995F256 Energy Micro, EFM32LG995F256 Datasheet - Page 37

• Manufacturer Part Number: EFM32LG995F256
• Description: ARM Microcontrollers - MCU 256KB FL 32KB RAM
• Manufacturer: Energy Micro

Specifications of EFM32LG995F256

• Rohs: yes
• Core: ARM Cortex M3
• Processor Series: Leopard Gecko (LG)
• Data Bus Width: 32 bit
• Maximum Clock Frequency: 48 MHz
• Program Memory Size: 256 KB
• Data Ram Size: 32 KB
• On-chip Adc: Yes
• Operating Supply Voltage: 1.85 V to 3.8 V
• Operating Temperature Range: - 40 C to + 85 C
• Package / Case: BGA-120
• Mounting Style: SMD/SMT
• A/d Bit Size: 12 bit
• Interface Type: I2C, SPI, USB, UART
• Number Of Programmable I/os: 93
• Program Memory Type: Flash

3.12 Operational Amplifier (OPAMP)
2012-09-11 - EFM32LG995FXX - d0124_Rev1.00
The electrical characteristics for the Operational Amplifiers are based on simulations.
Table 3.17. OPAMP
Symbol
SNDR
SFDR
V
DNL
INL
MC
Symbol
I
OPAMP
DACOFFSET
DAC
DAC
DAC
DAC
DAC
Parameter
Signal to Noise-pulse Dis-
tortion Ratio (SNDR)
Spurious-Free Dynamic
Range(SFDR)
Offset voltage
Differential non-linearity
Integral non-linearity
No missing codes
Parameter
Active Current
Preliminary
Condition
500 kSamples/s, 12 bit, differ-
ential, internal 2.5V reference
500 kSamples/s, 12 bit, differ-
ential, V
500 kSamples/s, 12 bit, sin-
gle ended, internal 1.25V ref-
erence
500 kSamples/s, 12 bit, sin-
gle ended, internal 2.5V refer-
ence
500 kSamples/s, 12 bit, dif-
ferential, internal 1.25V refer-
ence
500 kSamples/s, 12 bit, differ-
ential, internal 2.5V reference
500 kSamples/s, 12 bit, differ-
ential, V
500 kSamples/s, 12 bit, sin-
gle ended, internal 1.25V ref-
erence
500 kSamples/s, 12 bit, sin-
gle ended, internal 2.5V refer-
ence
500 kSamples/s, 12 bit, dif-
ferential, internal 1.25V refer-
ence
500 kSamples/s, 12 bit, differ-
ential, internal 2.5V reference
500 kSamples/s, 12 bit, differ-
ential, V
After calibration, single ended
After calibration, differential
Condition
(OPA2)BIASPROG=0xF,
(OPA2)HALFBIAS=0x0, Unity
Gain
(OPA2)BIASPROG=0x7,
(OPA2)HALFBIAS=0x1, Unity
Gain
DD
DD
DD
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reference
reference
reference
37
Min
Min
Typ
Typ
www.energymicro.com
400
100
58
59
57
54
56
53
55
62
56
61
55
60
±1
±5
12
2
2
Max
Max
Unit
dB
dB
dB
dB
dB
dB
dB
dBc
dBc
dBc
dBc
dBc
mV
mV
LSB
LSB
bits
Unit
µA
µA