Digital to Analog Converter (DAC) Characteristics

Table 1. Operating Conditions⁽¹⁾(Device Variant A)
Symbol	Parameter	Conditions	Min.	Typ.	Max.	Units
V_DDANA	Analog supply voltage		1.62	-	3.63	V
AV_REF	External reference voltage		1.0	-	V_DDANA-0.6	V
	Internal reference voltage 1		-	1	-	V
	Internal reference voltage 2		-	V_DDANA	-	V
	Linear output voltage range		0.05	-	V_DDANA-0.05	V
	Minimum resistive load		5	-	-	kΩ
	Maximum capacitance load		-	-	100	pF
I_DD	DC supply current⁽²⁾	Voltage pump disabled	-	160	242	μA

Table 2. Operating Conditions⁽¹⁾(Device Variant B)
Symbol	Parameter	Conditions	Min.	Typ.	Max.	Units
V_DDANA	Analog supply voltage		1.62	-	3.63	V
AV_REF	External reference voltage		1.0	-	V_DDANA-0.6	V
	Internal reference voltage 1		-	1	-	V
	Internal reference voltage 2		-	V_DDANA	-	V
	Linear output voltage range		0.05	-	V_DDANA-0.05	V
	Minimum resistive load		5	-	-	kΩ
	Maximum capacitance load		-	-	100	pF
I_DD	DC supply current⁽²⁾	Voltage pump disabled	-	160	283	μA

1. These values are based on specifications otherwise noted.

2. These values are based on characterization. These values are not covered by test limits in production.

Table 3. Clock and Timing⁽¹⁾
Parameter	Conditions		Min.	Typ.	Max.	Units
Conversion rate	C_load=100pF R_load > 5kΩ	Normal mode	-	-	350	ksps
Conversion rate	C_load=100pF R_load > 5kΩ	For Δ_DATA=+/-1	-	-	1000	ksps
Startup time	V_DDNA > 2.6V		-	-	2.85	μs
Startup time	V_DDNA < 2.6V		-	-	10	μs

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

Table 4. Accuracy Characteristics⁽¹⁾(Device Variant A)
Symbol	Parameter	Conditions		Min.	Typ.	Max.	Units
RES	Input resolution			-	-	10	Bits
INL	Integral non-linearity	V_REF= Ext 1.0V	V_DD= 1.6V	0.75	1.1	2.0	LSB
		V_REF= Ext 1.0V	V_DD= 3.6V	0.6	1.2	2.5
		V_REF= V_DDANA	V_DD= 1.6V	1.4	2.2	3.5
		V_REF= V_DDANA	V_DD= 3.6V	0.9	1.4	1.5
		V_REF= INT1V	V_DD= 1.6V	0.75	1.3	2.5
		V_REF= INT1V	V_DD= 3.6V	0.8	1.2	1.5
DNL	Differential non-linearity	V_REF= Ext 1.0V	V_DD= 1.6V	+/-0.9	+/-1.2	+/-2.0	LSB
		V_REF= Ext 1.0V	V_DD= 3.6V	+/-0.9	+/-1.1	+/-1.5
		V_REF= V_DDANA	V_DD= 1.6V	+/-1.1	+/-1.7	+/-3.0
		V_REF= V_DDANA	V_DD= 3.6V	+/-1.0	+/-1.1	+/-1.6
		V_REF= INT1V	V_DD= 1.6V	+/-1.1	+/-1.4	+/-2.5
		V_REF= INT1V	V_DD= 3.6V	+/-1.0	+/-1.5	+/-1.8
	Gain error	Ext. V_REF		+/-1.0	+/-5	+/-10	mV
	Offset error	Ext. V_REF		+/-2	+/-3	+/-8	mV

Table 5. Accuracy Characteristics⁽¹⁾(Device Variant B)
Symbol	Parameter	Conditions		Min.	Typ.	Max.	Units
RES	Input resolution			-	-	10	Bits
INL	Integral non-linearity	V_REF= Ext 1.0V	V_DD= 1.6V	0.7	0.75	2.0	LSB
		V_REF= Ext 1.0V	V_DD= 3.6V	0.6	0.65	1.5
		V_REF= V_DDANA	V_DD= 1.6V	0.6	0.85	2.0
		V_REF= V_DDANA	V_DD= 3.6V	0.5	0.8	1.5
		V_REF= INT1V	V_DD= 1.6V	0.5	0.75	1.5
		V_REF= INT1V	V_DD= 3.6V	0.7	0.8	1.5
DNL	Differential non-linearity	V_REF= Ext 1.0V	V_DD= 1.6V	+/-0.3	+/-0.4	+/-1.0	LSB
		V_REF= Ext 1.0V	V_DD= 3.6V	+/-0.25	+/-0.4	+/-0.75
		V_REF= V_DDANA	V_DD= 1.6V	+/-0.4	+/-0.55	+/-1.5
		V_REF= V_DDANA	V_DD= 3.6V	+/-0.2	+/-0.3	+/-0.75
		V_REF= INT1V	V_DD= 1.6V	+/-0.5	+/-0.7	+/-1.5
		V_REF= INT1V	V_DD= 3.6V	+/-0.4	+/-0.7	+/-1.5
	Gain error	Ext. V_REF		+/-0.5	+/-5	+/-12	mV
	Offset error	Ext. V_REF		+/-2	+/-1.5	+/-8	mV

1. All values measured using a conversion rate of 350ksps.