47.6.7 OPAMP

Table 47-19. Operating Conditions
Symbol	Parameters	Conditions	Min.	Typ.	Max.	Unit
V_CC	Power Supply	All power modes	1.6	3	3.63	V
V_in	Input voltage range		0	-	Vcc	V
V_out	Output voltage range		0.15	-	Vcc-0.15	V
C_load	Maximum capacitance load		-	-	50	pF
R_load ⁽¹⁾	Minimum resistive load	Output Range[0.15V;Vcc-0.15V]	3.5	-	-	kΩ
R_load ⁽¹⁾	Minimum resistive load	Output Range[0.3V;Vcc-0.3V]	0.5	-	-	kΩ
I_load⁽¹⁾	DC output current load	Output Range[0.15V;Vcc-0.15V]	-	-	1	mA
I_load⁽¹⁾	DC output current load	Output Range[0.3V;Vcc-0.3V]	-	-	6.9	mA
R	Each resistor value in resistor Ladder		-	5.5	-	kΩ

Note: 1. These values are based on simulation. They are not covered by production test limits or characterization.

Table 47-20. Power Consumption⁽¹⁾
Symbol	Parameters	Conditions	Ta	Min.	Typ.	Max.	Unit
IDD	DC supply current (Voltage Doubler OFF)	Mode 3,VCC =3.3V	Max 105°C Typ 25°C	-	184	327	uA
		Mode 2,VCC =3.3V		-	72	134
		Mode 1,VCC =3.3V		-	21	35
		Mode 0 ,VCC =3.3V		-	6	10
	Voltage Doubler consumption	VCC =3.3V		-	0.69	1.8

Note: 1. These values are based on characterization.

Table 47-21. Static Characteristics in 1X Gain⁽¹⁾
Symbol	Parameters	Conditions	Min.	Typ.	Max.	Unit
G0	Open loop gain	Mode 3	-	114.5	-	dB
		Mode 2	-	117.6	-
		Mode 1	-	116.8	-
		Mode 0	-	108.5	-
GBW	Gain Bandwidth	Mode 3	-	7.1	-	MHz
		Mode 2	-	2.8	-
		Mode 1	-	0.105	-
		Mode 0	-	0.2	-
ф_m	Phase margin	Mode 3	-	71.5	-	deg
		Mode 2	-	64	-
		Mode 1	-	56	-
		Mode 0	-	52	-
T_r1	Response Time at 240µV (X1 gain)	Mode 3	-	1.3	-	µs
		Mode 2	-	3.3	-
		Mode 1	-	13	-
		Mode 0	-	52	-
∆T_r1	Response Time Variation for 10mV	Mode 3	-	100	-	ns
		Mode 2	-	-	-
		Mode 1	-	-	-
		Mode 0	-	-	-
T_start	Start-up time (Enable to Ready), (Voltage Doubler OFF)	Mode 3	-	2.7	-	µs
		Mode 2	-	6.35	-
		Mode 1	-	21.5	-
		Mode 0	-	88.5	-
Oe	Input Offset Voltage		-	-	+-3.5	mV
SR	Slew rate	Mode 3	-2.8	-	2.6	V/µs
		Mode 2	-1.2	-	1.1
		Mode 1	-0.3	-	0.3
		Mode 0	-0.09	-	0.07
CMRR	1X gain	Mode 3	-	83	-	dB
		Mode 2	-	84	-
		Mode 1	-	84	-
		Mode 0	-	83	-
PSRR	1X gain	Mode 3	-	76	-	dB
		Mode 2	-	76	-
		Mode 1	-	76	-
		Mode 0	-	75	-
	Integrated Noise, BW=[0.1Hz-10kHz], x1 gain - V_OUT=1V	Mode 3	-	7.9	-	µV_RMS
		Mode 2	-	8.3	-
		Mode 1	-	9.9	-
		Mode 0	-	12.7	-
	Integrated Noise, BW=[0.1Hz-1MHz], x1 gain - V_OUT=1V	Mode 3	-	18.2	-	µV_RMS
		Mode 2	-	22.8	-
		Mode 1	-	36.7	-
		Mode 0	-	44.4	-

Note: 1.These values are based on simulation. They are not covered by production test limits or characterization.

Table 47-22. PGA Electrical Characteristics⁽¹⁾
Symbol	Parameters	Conditions	Min.	Typ.	Max.	Unit
	Gain accuracy	16X Gain	-	-	-1.43	%
		4X Gain	-	-	+-0.4
		1X Gain	-	-	+/-0.25
THD	Total Harmonic Distortion @ 10kHz - mode 3	16X Gain	-	-77	-	dB
		4X Gain	-	-72.8	-
		1X Gain	-	-82.6	-
	Integrated Noise, BW=[0.1Hz-10 kHz], 16X gain - V_OUT=1V	Mode 3	-	147	-	µVrms
		Mode 2	-	147	-
		Mode 1	-	162	-
		Mode 0	-	191	-
	Integrated Noise, BW=[0.1Hz-1MHz], 16X gain - V_OUT=1V	Mode 3	-	262	-	µVrms
		Mode 2	-	247	-
		Mode 1	-	235	-
		Mode 0	-	235	-

Note: 1.These values are based on simulation. They are not covered by production test limits or characterization.

SAM L21