參數(shù)資料
型號(hào)： MAX5316GTG+T
廠商： Maxim Integrated Products
文件頁(yè)數(shù)： 14/33頁(yè)
文件大?。?/td> 0K
描述： IC DAC 16BIT SPI 24TQFN
產(chǎn)品培訓(xùn)模塊： Obsolescence Mitigation Program
標(biāo)準(zhǔn)包裝： 2,500
設(shè)置時(shí)間： 3µs
位數(shù)： 16
數(shù)據(jù)接口： DSP，MICROWIRE?，QSPI?，串行，SPI?
轉(zhuǎn)換器數(shù)目： 1
電壓電源： 模擬和數(shù)字，雙 ±
功率耗散（最大）： 2.29W
工作溫度： -40°C ~ 105°C
安裝類型： 表面貼裝
封裝/外殼： 24-VFQFN 裸露焊盤
供應(yīng)商設(shè)備封裝： 24-TQFN-EP（4x5）
包裝： 帶卷 (TR)
輸出數(shù)目和類型： 1 電壓，單極；1 電壓，雙極
21
MAX5316
16-Bit, ±1 LSB Accuracy Voltage Output
DAC with SPI Interface
16-Bit Ideal Transfer Function
The transfer function for the MAX5316 is given by:
OUT
REF
16
CODE
VV
2
(DIN code from 0x0000 to 0xFFFF)
=
×
For the simple binary case and:
OUT
REF
16
REF
OUT
REF
16
(CODE 0x8000)
VV
2
(DIN code from 0x8000 to 0xFFFF)
V
CODE
VV
2
(DIN code from 0x0000 to 0xFFFF)
=
×
=
×
+
For the two’s complement case.
Straight Binary vs. Two’s Complement
Table 1 and Table 2 show the math necessary to convert
the DIN code into VOUT for the 16-bit DAC. 1 LSB is
equal to VREF/216.
Input Range
The range of DIN is summarized in Table 3 and Table 4.
Also shown are the range values for the MAX5316 with a
4.096V reference. Note that VREF is the reference voltage
applied to REF and 1 LSB is equal to VREF/216.
Table 3. DIN Range (Straight Binary Mode)
Table 4. DIN Range (Two’s Complement Mode)
Figure 3. DIN to VOUT Transfer Curve
DIN
VOUT
VREF
0V
0x0000
0x8000
0x0000
0xFFFF
STRAIGHT BINARY
0x7FFF
TWO’S COMPLEMENT
ZERO-SCALE
MIDSCALE
FULL-SCALE
VREF/2
RANGE
DIN CODE
VOUT (V)
MAX5316 VALUE (V)
Minimum
0x0000
0
Maximum
0xFFFF
(VREF - 1 LSB)
4.095938
RANGE
DIN CODE
VOUT (V)
MAX5316 VALUE (V)
Minimum
0x8000
0
Maximum
0x7FFF
(VREF - 1 LSB)
4.095938
Table 1. Straight Binary Mode
DIN CODE
EQUATION FOR VOUT
RANGE
0x0000 to 0xFFFF
0V to (VREF - 1 LSB)
OUT
REF
16
CODE
VV
2
=
×
Table 2. Two’s Complement Mode
DIN CODE
EQUATION FOR VOUT
RANGE
0x8000 to 0xFFFF
0V to (VREF/2 -1 LSB)
0x0000 to 0x7FFF
VREF/2 to (VREF - 1 LSB)
REF
OUT
REF
16
V
CODE
VV
2
=
×+
OUT
REF
16
CODE 0x8000
VV
2
=
×
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